型号 功能描述 生产厂家 企业 LOGO 操作
ADS114S08

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S08

适用于传感器测量且具有 PGA 和电压基准的 16 位、4kSPS、12 通道 Δ-Σ ADC

TI

德州仪器

ADS114S08

Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

文件:1.7284 Mbytes Page:103 Pages

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0xB Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

1 Features 1• Low power consumption: as low as 280 μA • Programmable gain: 1 to 128 • Programmable data rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz rejection at ≤ 20 SPS with low-latency digital filter • Analog multiplexer with 12 (ADS114S08B) or 6 (ADS114S06B) independently sel

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

ADS114S0x Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

1 Features 1• Low Power Consumption: As Low as 280 μA • Programmable Gain: 1 to 128 • Programmable Data Rates: 2.5 SPS to 4 kSPS • Simultaneous 50-Hz and 60-Hz Rejection at ≤ 20 SPS with Low-Latency Digital Filter • Analog Multiplexer with 12 (ADS114S08) or 6 (ADS114S06) Independently Selec

TI

德州仪器

Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

文件:1.96733 Mbytes Page:88 Pages

TI

德州仪器

适用于低成本应用且具有 PGA 和电压基准的 16 位、4kSPS、12 通道 Δ-Σ ADC

TI

德州仪器

Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

文件:1.96733 Mbytes Page:88 Pages

TI

德州仪器

Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

文件:1.96733 Mbytes Page:88 Pages

TI

德州仪器

封装/外壳:32-TQFP 包装:卷带(TR)剪切带(CT)Digi-Reel® 得捷定制卷带 描述:IC ADC 16BIT SIGMA-DELTA 32TQFP 集成电路(IC) 模数转换器(ADC)

TI

德州仪器

Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

文件:1.96733 Mbytes Page:88 Pages

TI

德州仪器

封装/外壳:32-VFQFN 裸露焊盘 包装:卷带(TR) 描述:IC ADC 16BIT SIGMA-DELTA 32VQFN 集成电路(IC) 模数转换器(ADC)

TI

德州仪器

Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC With PGA and Voltage Reference

文件:1.96733 Mbytes Page:88 Pages

TI

德州仪器

Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

文件:1.7284 Mbytes Page:103 Pages

TI

德州仪器

Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

文件:1.7284 Mbytes Page:103 Pages

TI

德州仪器

Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

文件:1.7284 Mbytes Page:103 Pages

TI

德州仪器

Low-Power, Low-Noise, Highly Integrated, 6- and 12-Channel, 4-kSPS, 16-Bit, Delta-Sigma ADC with PGA and Voltage Reference

文件:1.7284 Mbytes Page:103 Pages

TI

德州仪器

更新时间:2025-12-26 23:01:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI(德州仪器)
24+
标准封装
9048
原厂直销,大量现货库存,交期快。价格优,支持账期
TI(德州仪器)
24+
TQFP32(5x5)
1083
只做原装,提供一站式配单服务,代工代料。BOM配单
TI
21+
TQFP-32
3000
一级代理,专注军工、汽车、医疗、工业、新能源、电力
Texas Instruments
25+
32-TQFP(5x5)
25000
Texas Instruments~ADC/DAC转换ADS114S08IPBS即刻询购立享优惠#长
TI/德州仪器
2450+
NA
9850
只做原厂原装正品现货或订货假一赔十!
TI
23+
TQFP-32
1370
正规渠道,只有原装!
Texas
25+
25000
原厂原包 深圳现货 主打品牌 假一赔百 可开票!
TI/德州仪器
18+
NA
2537
原装现货支持BOM配单服务
TI(德州仪器)
2526+
TQFP-32(5x5)
50000
只做原装优势现货库存,渠道可追溯
TI/德州仪器
25+
TQFP32
22000
专营TI进口原装假一罚万

ADS114S08数据表相关新闻