ADS7871 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADS7871
Manufacturer

TI
ChipWorker Part#

CW355848355
RoHS

Lead free / RoHS Compliant
Description

14Bit, 48KSPS, DATA ACQUISITION SYSTEM WITH ANALOG-TO-DIGITAL CONVERTER, MUX, PGA, AND REFERENCE
Documentation

Datasheet

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ADS7871 Specifications

Attribute	Attribute Value

Part Number	ADS7871
Manufacturer	TI
ChipWorker Part#	CW355848355
Documentation	Datasheet
Mounting Style	Surface Mount
Case/Package	SSOP-28
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RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The ADS7871 (US patents 6140872, 6060874) is a complete low power data acquisition system on a single chip. It consists of a 4-channel differential/8-channel single-ended multiplexer, precision programmable gain amplifier, 14-bit successive approximation analog-to-digital (A/D) converter and a precision voltage reference.
The programmable-gain amplifier provides high input impedance, excellent gain accuracy, good common-mode rejection, and low noise.
For many low-level signals, no external amplification or impedance buffering is needed between the signal source and the A/D input.
The offset voltage of the PGA is auto zeroed. Gains of 1, 2, 4, 5, 8, 10, 16, and 20 V/V allow signals as low as 125 mV to produce full-scale digital outputs.
The ADS7871 contains an internal reference, which is trimmed for high initial accuracy and stability vs temperature. Drift is typically 10 ppm/°C. An external reference can be used in situations where multiple ADS7871s share a common reference.
The serial interface allows the use of SPI, QSPI, Microwire, and 8051-family protocols, without glue logic.
PGA Gains: 1, 2, 4, 5, 8, 10, 16, 20 V/V
Programmable Input (Up to 4-Channel Differential/Up to 8-Channel Single-Ended or Some Combination)
1.15-V, 2.048-V, or 2.5-V Internal Reference
SPI/DSP Compatible Serial Interface ( 20 MHz)
Throughput Rate: 48 kSamples/sec
Error Overload Indicator
Programmable Output 2s Complement/Binary
2.7-V to 5.5-V Single Supply Operation
4-Bit Digital I/O Via Serial Interface
Pin Compatible With ADS7870
SSOP-28 Package
APPLICATIONS
Portable Battery-Powered Systems
Low-Power Instrumentation
Low-Power Control Systems
Smart Sensor Applications
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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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