ADS7822E/2K5

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Texas Instruments

12-BIT, 200KSPS MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER

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ADS7822E/2K5

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Texas Instruments

12-BIT, 200KSPS MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER

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Description Specifications Series Pricing CAD Documents

Description

General part information

ADS7822 Series

The ADS7822 is a 12-bit sampling analog-to-digital (A/D) converter with ensured specifications over a 2.7V to 5.25V supply range. It requires very little power even when operating at the full 200kHz rate. At lower conversion rates, the high speed of the device enables it to spend most of its time in the power-down mode—the power dissipation is less than 60µW at 7.5kHz.

The ADS7822 also features operation from 2.0V to 5V, a synchronous serial interface, and a pseudo-differential input. The reference voltage can be set to any level within the range of 50mV to VCC.

Ultra low power and small size make the ADS7822 ideal for battery-operated systems. It is also a perfect fit for remote data-acquisition modules, simultaneous multichannel systems, and isolated data acquisition. The ADS7822 is available in a plastic mini-DIP-8, an SO-8, or an MSOP-8 package.

Technical Specifications

Parameters and characteristics for this part

Specification	ADS7822E/2K5

Architecture	SAR
Configuration	S/H-ADC
Data Interface	SPI
Input Type	Pseudo-Differential
Mounting Type	Surface Mount
Number of A/D Converters	1 count
Number of Bits	12 bits
Number of Inputs	1
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Package Length	0.118 in
Package Name	8-VSSOP, 8-TSSOP, 8-MSOP
Package Width	3 mm
Ratio - ADC	1
Ratio - S/H	1
Reference Type	External
Sampling Rate (Per Second)	200 kHz
Voltage - Supply, Analog (Max)	5.25 V
Voltage - Supply, Analog (Min)	2.7 V
Voltage - Supply, Digital (Max)	5.25 V
Voltage - Supply, Digital (Min)	2.7 V

ADS7822 Series

Part	Number of Inputs	Operating Temperature (Min)	Operating Temperature (Max)	Number of A/D Converters	Sampling Rate (Per Second)	Input Type	Reference Type	Data Interface	Voltage - Supply, Analog (Max)	Voltage - Supply, Analog (Min)	Mounting Type	Configuration	Package Name	Ratio - ADC	Ratio - S/H	Voltage - Supply, Digital (Min)	Voltage - Supply, Digital (Max)	Package Width	Package Length	Number of Bits	Architecture	Voltage - Supply, Digital (Additional)	Voltage - Supply, Digital (Range 1) Minimum	Voltage - Supply, Digital (Range 1) Maximum	Voltage - Supply, Analog (Typical)	Voltage - Supply, Analog (Additional)	Grade	Qualification
Texas Instruments ADS7822E/2K5	1	-40 °C	85 °C	1 count	200 kHz	Pseudo-Differential	External	SPI	5.25 V	2.7 V	Surface Mount	S/H-ADC	8-TSSOP 8-MSOP 8-VSSOP	1	1	2.7 V	5.25 V	3 mm	0.118 in	12 bits	SAR
Texas Instruments ADS7822EB/2K5	1	-40 °C	85 °C	1 count	200 kHz	Pseudo-Differential	External	SPI	3.6 V	2.7 V	Surface Mount	S/H-ADC	8-TSSOP 8-MSOP 8-VSSOP	1	1			3 mm	0.118 in	12 bits	SAR	5 V	2.7 V	3.6 V	5 V	5 V
Texas Instruments ADS7822IDGKRQ1	1	-40 °C	85 °C	1 count	200 kHz	Pseudo-Differential	External	SPI	3.6 V	2.7 V	Surface Mount	S/H-ADC	8-TSSOP 8-MSOP 8-VSSOP	1	1			3 mm	0.118 in	12 bits	SAR	5 V	2.7 V	3.6 V	5 V	5 V	Automotive	AEC-Q100
Texas Instruments ADS7822PBG4	1	-40 °C	85 °C	1 count	200 kHz	Pseudo-Differential	External	SPI	3.6 V	2.7 V	Through Hole	S/H-ADC	8-DIP 8-PDIP	1	1			7.62 mm	0.3 in	12 bits	SAR	5 V	2.7 V	3.6 V	5 V	5 V
Texas Instruments ADS7822PG4	1	-40 °C	85 °C	1 count	200 kHz	Pseudo-Differential	External	SPI	3.6 V	2.7 V	Through Hole	S/H-ADC	8-DIP 8-PDIP	1	1			7.62 mm	0.3 in	12 bits	SAR	5 V	2.7 V	3.6 V	5 V	5 V
Texas Instruments ADS7822UB	1	-40 °C	85 °C	1 count	200 kHz	Pseudo-Differential	External	SPI	3.6 V	2.7 V	Surface Mount	S/H-ADC	8-SOIC	1	1			3.9 mm	0.154 in	12 bits	SAR	5 V	2.7 V	3.6 V	5 V	5 V
Texas Instruments ADS7822UC	1	-40 °C	85 °C	1 count	200 kHz	Pseudo-Differential	External	SPI	3.6 V	2.7 V	Surface Mount	S/H-ADC	8-SOIC	1	1			3.9 mm	0.154 in	12 bits	SAR	5 V	2.7 V	3.6 V	5 V	5 V
Texas Instruments ADS7822E/250	1	-40 °C	85 °C	1 count	200 kHz	Pseudo-Differential	External	SPI	3.6 V	2.7 V	Surface Mount	S/H-ADC	8-TSSOP 8-MSOP 8-VSSOP	1	1			3 mm	0.118 in	12 bits	SAR	5 V	2.7 V	3.6 V	5 V	5 V
Texas Instruments ADS7822EC/2K5	1	-40 °C	85 °C	1 count	200 kHz	Pseudo-Differential	External	SPI	3.6 V	2.7 V	Surface Mount	S/H-ADC	8-TSSOP 8-MSOP 8-VSSOP	1	1			3 mm	0.118 in	12 bits	SAR	5 V	2.7 V	3.6 V	5 V	5 V
Texas Instruments ADS7822EB/250G4	1	-40 °C	85 °C	1 count	200 kHz	Pseudo-Differential	External	SPI	3.6 V	2.7 V	Surface Mount	S/H-ADC	8-TSSOP 8-MSOP 8-VSSOP	1	1			3 mm	0.118 in	12 bits	SAR	5 V	2.7 V	3.6 V	5 V	5 V

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

Determining Minimum Acquisition Times for SAR ADCs, part 1 (Rev. A)

Interfacing the ADS7822 to synchronous serial port of the 80x51 Microcontroller

Determining Minimum Acquisition Times for SAR ADCs, part 2

12-Bit, 200kHz, microPower Sampling Analog-To-Digital Converter datasheet (Rev. C)