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ADS1255IDBT中文资料
ADS1255IDBT数据手册规格书PDF详情
FEATURES
24 Bits, No Missing Codes
− All Data Rates and PGA Settings
Up to 23 Bits Noise-Free Resolution
±0.0010% Nonlinearity (max)
Data Output Rates to 30kSPS
Fast Channel Cycling
− 18.6 Bits Noise-Free (21.3 Effective Bits)
at 1.45kHz
One-Shot Conversions with Single-Cycle
Settling
Flexible Input Multiplexer with Sensor Detect
− Four Differential Inputs (ADS1256 only)
− Eight Single-Ended Inputs (ADS1256 only)
Chopper-Stabilized Input Buffer
Low-Noise PGA: 27nV Input-Referred Noise
Self and System Calibration for All PGA
Settings
5V Tolerant SPI™-Compatible Serial Interface
Analog Supply: 5V
Digital Supply: 1.8V to 3.6V
Power Dissipation
− As Low as 38mW in Normal Mode
− 0.4mW in Standby Mode
APPLICATIONS
Scientific Instrumentation
Industrial Process Control
Medical Equipment
Test and Measurement
Weigh Scales
DESCRIPTION
The ADS1255 and ADS1256 are extremely low-noise,
24-bit analog-to-digital (A/D) converters. They provide
complete high-resolution measurement solutions for the
most demanding applications.
The converter is comprised of a 4th-order, delta-sigma
(ΔΣ) modulator followed by a programmable digital filter. A
flexible input multiplexer handles differential or
single-ended signals and includes circuitry to verify the
integrity of the external sensor connected to the inputs.
The selectable input buffer greatly increases the input
impedance and the low-noise programmable gain
amplifier (PGA) provides gains from 1 to 64 in binary steps.
The programmable filter allows the user to optimize
between a resolution of up to 23 bits noise-free and a data
rate of up to 30k samples per second (SPS). The
converters offer fast channel cycling for measuring
multiplexed inputs and can also perform one-shot
conversions that settle in just a single cycle.
Communication is handled over an SPI-compatible serial
interface that can operate with a 2-wire connection.
Onboard calibration supports both self and system
correction of offset and gain errors for all the PGA settings.
Bidirectional digital I/Os and a programmable clock output
driver are provided for general use. The ADS1255 is
packaged in an SSOP-20, and the ADS1256 in an
SSOP-28.
ADS1255IDBT产品属性
- 类型
描述
- 型号
ADS1255IDBT
- 功能描述
模数转换器 - ADC 24 Bit 30kSPS Very Lo-Noise Delta-Sigma
- RoHS
否
- 制造商
Texas Instruments
- 通道数量
2
- 结构
Sigma-Delta
- 转换速率
125 SPs to 8 KSPs
- 分辨率
24 bit
- 输入类型
Differential
- 信噪比
107 dB
- 接口类型
SPI
- 工作电源电压
1.7 V to 3.6 V, 2.7 V to 5.25 V
- 最大工作温度
+ 85 C
- 安装风格
SMD/SMT
- 封装/箱体
VQFN-32
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
TI |
24+ |
SSOP-20 |
3800 |
原装现货,可开13%税票 |
|||
TI(德州仪器) |
SSOP-20 |
100 |
编带 |
||||
Texas Instruments |
25+ |
20-SSOP |
25000 |
Texas Instruments~ADC/DAC转换ADS1255IDBTG4即刻询购立享优惠#长 |
|||
TI |
07+ |
1145 |
全新原装绝对优势现货特价! |
||||
TI |
17+18ROHS原装 |
SSOP20 |
3000 |
供应元器件代理分销QQ350053121原装特价 |
|||
TI/德州仪器 |
22+ |
N/V |
986000 |
原装现货 欢迎来电咨询 |
|||
TI(德州仪器) |
24+ |
SSOP20 |
1083 |
只做原装,提供一站式配单服务,代工代料。BOM配单 |
|||
TI |
2024 |
SOP |
13500 |
16余年资质 绝对原盒原盘代理渠道 更多数量 |
|||
TI |
24+ |
原厂封装 |
8000 |
原厂原装,支持实单,可订货开票! |
|||
TI(德州仪器) |
2511 |
N/A |
6000 |
电子元器件采购降本 30%!盈慧通原厂直采,砍掉中间差价 |
ADS1255IDBT 价格
参考价格:¥61.3409
ADS1255IDBT 资料下载更多...
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Datasheet数据表PDF页码索引
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