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GENERAL DESCRIPTION
The ADA4351-2 is a compact, monolithic, dual-channel, precision,
programmable gain transimpedance amplifier (PGTIA). The
ADA4351-2 is a breakthrough solution for precisely measuring
small currents over a wide dynamic range. The precision of the
ADA4351-2 over a wide temperature range of −40°C to +125°C
enables users to perform one calibration of the end equipment
at room temperature, thereby saving test time and cost. The
ADA4351-2 integrates two low off leakage current switches per
channel, and the gain is programmable using two user-selectable
external resistors to provide a flexible, fully functional compact
PGTIA solution. Separate analog and digital supplies allow the
amplifier of the ADA4351-2 to operate on bipolar supplies, while
the integrated logic level shifting allows the digital interface to
remain ground referenced. Additionally, with its robust output stage
and low noise, the ADA4351-2 can directly drive 16-bit precision
analog-to-digital converters (ADCs, such as AD4696), providing a
complete analog front-end (AFE) to address the most challenging
precision current measurement applications.
FEATURES
► Small, dual-channel, complete PGTIA and AFE solution
► Small size package:16-lead LFCSP, 3 mm × 3 mm
► Integrated switches, 2 external gains per channel
► Wide input current dynamic range from picoamps to milliamps
► Excellent DC precision
► Low offset voltage: ±100 μV maximum, 25°C
► Low offset voltage drift: ±0.85 μV/°C maximum, −40°C to
+125°C
► Low input bias current: ±9 pA maximum, 25°C
► Low switch off leakage current : ±90 pA maximum (−40°C to
+125°C)
► New integrated architecture eliminates gain error due to switch
resistance
► Single-supply operation: +2.7 V to +5.5 V (dual-supply operation:
±1.85 V to ±2.75 V)
► Wide gain bandwidth product: 8.5 MHz
► Wide operating temperature range: −40°C to +125°C
APPLICATIONS
► Precision current to voltage (I to V) conversion
► Programmable gain TIAs
► Photodetector interface and amplification
► Optical networking equipment
► Optical power measurement
► Instrumentation—spectroscopy and chromatography
► Precision data acquisition systems (DAQ)
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
ADI/亚德诺 |
23+ |
20000 |
原装现货,可追溯原厂渠道 |
询价 | |||
Analog Devices Inc. |
2022+ |
板 |
25000 |
100%进口原装正品现货,公司原装现货众多欢迎加微信咨 |
询价 | ||
AD |
1824+ |
NA |
2 |
加我QQ或微信咨询更多详细信息, |
询价 | ||
ADI/亚德诺 |
23+ |
EB/PCB |
3000 |
只做原装正品,假一赔十 |
询价 | ||
ADI/亚德诺 |
20+ |
EvaluationBoard |
33680 |
ADI全新原装-可开原型号增税票 |
询价 | ||
ADI |
61 |
只做正品 |
询价 | ||||
ANALOG DEVICES |
20935+ |
con |
6 |
现货常备产品原装可到京北通宇商城查价格 |
询价 | ||
23+ |
N/A |
78000 |
一级代理放心采购 |
询价 | |||
Analog Devices Inc. |
21+ |
ADC,可编程 |
7 |
开发板--编程套件 原厂正品渠道品质保证 |
询价 | ||
23+ |
N/A |
78000 |
一级代理放心采购 |
询价 |