ADS7844N - TI

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

Part No

ADS7844N
Manufacturer

TI
ChipWorker Part#

CW4158450
Category

Analog to Digital, ADC IC
Package

SSOP-20
Description

TEXAS INSTRUMENTS ADS7844N Analog to Digital Converter, 12Bit, 200KSPS, Single, 2.7V, 5.25V, SSOP
Documentation

Datasheet

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ADS7844N Specifications

Attribute	Attribute Value

Part Number	ADS7844N
Manufacturer	TI
ChipWorker Part#	CW4158450
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	SSOP-20
Digital Logic Level	SAR
Supply Voltage (DC)	2.70V (min)
Operating Voltage	2.7V ~ 5.25V
Supply Current	550 µA
Number of Circuits	1 Circuit
Number of Channels	8 Channel
Number of Positions	20 Position
Number of Bits	12 Bit
Power Dissipation	4.5 W
Sample Rate	200 ksps
Power Consumption	840 µW
Number of ADCs	1 ADC
Number of Inputs	4, 8 Input
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	4.5 mW
Number of Input Channels	8 Channel
Supply Voltage (Max)	5.25 V
Supply Voltage (Min)	2.7 V
Input Voltage	2.5V, 5V
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Size-Length	7.2 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
ECCN Code	EAR99

Product Description

The ADS7844 is an 8-channel, 12-bit sampling analog-to-digital converter (ADC) with a synchronous serial interface. Typical power dissipation is 3mW at a 200kHz throughput rate and a +5V supply. The reference voltage (VREF) can be varied between 100mV and VCC, providing a corresponding input voltage range of 0V to VREF. The device includes a shutdown mode which reduces power dissipation to under 1µW. The ADS7844 is guaranteed down to 2.7V operation.
Low power, high speed, and on-board multiplexer make the ADS7844 ideal for battery- operated systems such as personal digital assistants, portable multichannel data loggers, and measurement equipment. The serial interface also provides low-cost isolation for remote data acquisition. The ADS7844 is available in a 20-lead QSOP package and the MAX147 equivalent 20-lead SSOP is guaranteed over the 40°C to +85°C temperature range.

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