Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Ascend Semiconductor Corporation(64Mb SDRAM)

[Ascend Semiconductor Corporation] AD484M1644VTA ( 4Mx16 ) Description The AD484M1644VTA is Synchronous Dynamic Random Access Memory ( SDRAM ) organized as 1,048,756 words x 4 banks x 16 bits. All inputs and outputs are synchronized with the positive edge of the clock . The 64Mb SDRAM uses syn

Buffered, 4-Channel Simultaneous Sampling, 16-Bit 250kSPS DAS

FEATURES ► Complete 16-bit data acquisition system ► Simultaneous sampling of 4 internally buffered channels ► 250kSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75pA typical input leakage at 25°C ► Full-scale input step settling time

Buffered, 4-Channel Simultaneous Sampling, 16-Bit 250kSPS DAS

FEATURES ► Complete 16-bit data acquisition system ► Simultaneous sampling of 4 internally buffered channels ► 250kSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75pA typical input leakage at 25°C ► Full-scale input step settling time

Buffered, 4-Channel Simultaneous Sampling, 16-Bit 250kSPS DAS

FEATURES ► Complete 16-bit data acquisition system ► Simultaneous sampling of 4 internally buffered channels ► 250kSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75pA typical input leakage at 25°C ► Full-scale input step settling time

Buffered, 4-Channel Simultaneous Sampling, 20-Bit 250kSPS DAS

FEATURES ► Complete 20-bit data acquisition system ► Simultaneous sampling of 4 internally buffered channels ► 250kSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75pA typical input leakage at 25°C ► Full-scale input step settling time

Buffered, 4-Channel Simultaneous Sampling, 20-Bit 250kSPS DAS

FEATURES ► Complete 20-bit data acquisition system ► Simultaneous sampling of 4 internally buffered channels ► 250kSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75pA typical input leakage at 25°C ► Full-scale input step settling time

Buffered, 4-Channel Simultaneous Sampling, 20-Bit 250kSPS DAS

FEATURES ► Complete 20-bit data acquisition system ► Simultaneous sampling of 4 internally buffered channels ► 250kSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75pA typical input leakage at 25°C ► Full-scale input step settling time

Buffered, 8-Channel Simultaneous Sampling, 16-Bit 250 kSPS DAS

FEATURES ► Complete 16-bit data acquisition system ► Simultaneous sampling of 8 internally buffered channels ► 250 kSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75 pA typical input leakage at 25°C ► Full-scale input step settling time

Buffered, 8-Channel Simultaneous Sampling, 16-Bit 250 kSPS DAS

FEATURES ► Complete 16-bit data acquisition system ► Simultaneous sampling of 8 internally buffered channels ► 250 kSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75 pA typical input leakage at 25°C ► Full-scale input step settling time

Buffered, 8-Channel Simultaneous Sampling, 16-Bit 250 kSPS DAS

FEATURES ► Complete 16-bit data acquisition system ► Simultaneous sampling of 8 internally buffered channels ► 250 kSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75 pA typical input leakage at 25°C ► Full-scale input step settling time

Buffered, 8-Channel Simultaneous Sampling, 16-Bit 1 MSPS DAS

FEATURES ► Complete 16-bit data acquisition system ► Simultaneous sampling of 8 internally buffered channels ► 1 MSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75 pA typical input leakage at 25°C ► Full-scale input step settling time

Buffered, 8-Channel Simultaneous Sampling, 16-Bit 1 MSPS DAS

FEATURES ► Complete 16-bit data acquisition system ► Simultaneous sampling of 8 internally buffered channels ► 1 MSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75 pA typical input leakage at 25°C ► Full-scale input step settling time

Buffered, 8-Channel Simultaneous Sampling, 16-Bit 1 MSPS DAS

FEATURES ► Complete 16-bit data acquisition system ► Simultaneous sampling of 8 internally buffered channels ► 1 MSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75 pA typical input leakage at 25°C ► Full-scale input step settling time

Buffered, 8-Channel Simultaneous Sampling, 20-Bit 1 MSPS DAS

FEATURES ► Complete 20-bit data acquisition system ► Simultaneous sampling of 8 internally buffered channels ► 1 MSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75 pA typical input leakage at 25°C ► Full-scale input step settling time

缓冲8通道同步采样、20位1 MSPS DAS

AD4858是一款完全缓冲的8通道同步采样、20位、1 MSPS数据采集系统(DAS)，具有差分、宽共模范围输入。其功能架构如数据手册中的图1所示。AD4858采用5 V低电压电源、灵活的输入缓冲器电源供电，并使用精密低漂移内部基准电压源和基准电压源缓冲器，支持独立配置每个通道的SoftSpan范围，以匹配本机应用信号摆幅，从而尽可能地减少额外的外部信号调理。为了进一步充分扩大单次转换动态范围，AD4858采用了无缝高动态范围(SHDR)技术。通道的输入信号路径增益使能后会逐个样本地自动优化，从而在不影响线性度的情况下，尽可能地降低每个样本上的转换器噪声。\n\n AD4858具有1 • 完整的20位数据采集系统\n• 每通道吞吐量1 MSPS\n• 差分、宽共模范围输入\n• 输入漏电流：±75 pA（典型值，25°C）\n• 满量程输入阶跃建立时间< 300 ns\n• 集成基准电压源和基准电压源缓冲器(4.096 V)\n• 集成电源去耦电容\n• 每通道45 mW (1 MSPS)，功耗与吞吐量成比例\n• 极少的外部信号调理\n• 无缝高动态范围\n• 保持ppm级INL\n• 每通道SoftSpan输入范围，双极或单极\n• 0 V至40 V、25 V、20 V、12.5 V、10 V、6.25 V、5 V、2.5 V;

Buffered, 8-Channel Simultaneous Sampling, 20-Bit 1 MSPS DAS

FEATURES ► Complete 20-bit data acquisition system ► Simultaneous sampling of 8 internally buffered channels ► 1 MSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75 pA typical input leakage at 25°C ► Full-scale input step settling time

Buffered, 8-Channel Simultaneous Sampling, 20-Bit 1 MSPS DAS

FEATURES ► Complete 20-bit data acquisition system ► Simultaneous sampling of 8 internally buffered channels ► 1 MSPS per channel throughput ► Differential, wide common-mode range inputs ► ±75 pA typical input leakage at 25°C ► Full-scale input step settling time

Dual-Channel 16-Bit, 20MSPS, SAR ADC with Analog Front End

FEATURES ► Integrated fully-differential ADC drivers ► Wide input common-mode voltage range ► High common-mode rejection ► Single-ended to differential conversion ► Gain options include: 1.03, 1.25, 1.53, 2.03, 2.74, 4.11, and 5.77 ► Integrated gain-setting resistors ► High performance ► 1

Dual-Channel 16-Bit, 20MSPS, SAR ADC with Analog Front End

FEATURES ► Integrated fully-differential ADC drivers ► Wide input common-mode voltage range ► High common-mode rejection ► Single-ended to differential conversion ► Gain options include: 1.03, 1.25, 1.53, 2.03, 2.74, 4.11, and 5.77 ► Integrated gain-setting resistors ► High performance ► 1

Dual-Channel 16-Bit, 20MSPS, SAR ADC with Analog Front End

FEATURES ► Integrated fully-differential ADC drivers ► Wide input common-mode voltage range ► High common-mode rejection ► Single-ended to differential conversion ► Gain options include: 1.03, 1.25, 1.53, 2.03, 2.74, 4.11, and 5.77 ► Integrated gain-setting resistors ► High performance ► 1

Dual-Channel 16-Bit, 20MSPS, SAR ADC with Analog Front End

FEATURES ► Integrated fully-differential ADC drivers ► Wide input common-mode voltage range ► High common-mode rejection ► Single-ended to differential conversion ► Gain options include: 1.03, 1.25, 1.53, 2.03, 2.74, 4.11, and 5.77 ► Integrated gain-setting resistors ► High performance ► 1

模块电源

Buffered, 4-Channel Simultaneous Sampling, 20-Bit 250kSPS DAS