ADS7870EA - TI

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

Part No

ADS7870EA
Manufacturer

TI
ChipWorker Part#

CW25297503
Category

Analog to Digital, ADC IC
Package

SSOP-28
Description

TEXAS INSTRUMENTS ADS7870EA Analog to Digital Converter, 12Bit, 52KSPS, Single, 2.7V, 5.5V, SSOP
Documentation

Datasheet

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ADS7870EA Specifications

Attribute	Attribute Value

Part Number	ADS7870EA
Manufacturer	TI
ChipWorker Part#	CW25297503
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	28 Pin
Case/Package	SSOP-28
Digital Logic Level	SAR
Supply Voltage (DC)	2.70V (min)
Supply Current	1.20 mA
Number of Circuits	1 Circuit
Number of Channels	8 Channel
Number of Bits	12 Bit
Power Dissipation	6 mW
Sample Rate	52 ksps
Power Consumption	4.60 mW
Number of ADCs	1 ADC
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	8.5 mW
Number of Input Channels	8 Channel
Supply Voltage	2.7V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	2.7 V
Input Voltage	5.7 V
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Size-Length	10.2 mm
Size-Width	5.3 mm
Size-Height	1.95 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15

Product Description

The ADS7870 (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, 12-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 ADS7870 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 ADS7870s share a common reference.
The serial interface allows the use of SPI, QSPI, Microwire, and 8051-family protocols, without glue logic.

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