AD7812YRZ - ADI

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

Part No

AD7812YRZ
Manufacturer

ADI
ChipWorker Part#

CW1423292
Category

Analog to Digital, ADC IC
Package

SOIC-20
Description

ANALOG DEVICES AD7812YRZ Analog to Digital Converter, 10Bit, 350KSPS, Single, 2.7V, 5.5V, SOIC
Documentation

Datasheet

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AD7812YRZ Specifications

Attribute	Attribute Value

Part Number	AD7812YRZ
Manufacturer	ADI
ChipWorker Part#	CW1423292
Category	Analog to Digital, ADC IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	SOIC-20
Digital Logic Level	SAR
Supply Voltage (DC)	2.70V (min)
Supply Current	3.50 mA
Number of Circuits	1 Circuit
Number of Positions	20 Position
Number of Bits	10 Bit
Power Dissipation	10.5 mW
Sample Rate	350 ksps
Resolution (Bits)	10.0 Bit
Input Capacitance	20.0 pF
Input Impedance	1.00 Ω
Number of ADCs	1 ADC
Number of Inputs	7, 8 Input
Operating Temperature (Max)	105 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	10.5 mW
Number of Input Channels	8 Channel
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	2.7 V
Input Voltage	2.5V, 5V
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Size-Length	13 mm
Size-Width	7.6 mm
Size-Height	2.35 mm
Operating Temperature	-40℃ ~ 105℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance	No SVHC
Mil-Spec	No
REACH SVHC Compliance Edition	2015/12/17

Product Description

Product Details
The AD7811 and AD7812 are high speed, low power, 10-bit A/D converters that operate from a single 2.7 V to 5.5 V supply. The devices contain a 2.3 µs successive approximation A/D converter, an on-chip track/hold amplifier, a 2.5 V on-chip reference and a high speed serial interface that is compatible with the serial interfaces of most DSPs (Digital Signal Processors) and microcontrollers. The user also has the option of using an external reference by connecting it to the VREF pin and setting the EXTREF bit in the control register. The VREF pin may be tied to VDD. At slower throughput rates the power-down mode may be used to automatically power down between conversions.
The control registers of the AD7811 and AD7812 allow the input channels to be configured as single-ended or pseudo differential. The control register also features a software convert start and a software power-down. Two of these devices can share the same serial bus and may be individually addressed in a multipackage application by hardwiring the device address pin. The AD7811 is available in a small, 16-lead 0.3" wide, plastic dual-in-line package (mini-DIP), in a 16-lead 0.15" wide, small outline IC (SOIC) and in a 16-lead, Thin Shrink Small Outline Package (TSSOP). The AD7812 is available in a small, 20-lead 0.3" wide, plastic dual-in-line package (mini-DIP), in a 20-lead, small outline IC (SOIC) and in a 20-lead, Thin Shrink Small Outline Package (TSSOP).
### Features and Benefits
10-Bit ADC with 2.3 µs Conversion Time
The AD7812 has Eight Single-Ended Inputs that Can Be Configured as Seven Pseudo Differential Inputs with Respect to a Common, or as Four Independent Pseudo Differential Channels
Onboard Track and Hold
Onboard Reference 2.5 V ± 2.5%
Operating Supply Range: 2.7 V to 5.5 V
Specifications at 2.7 V-3.6 V and 5 V
± 10%
DSP-/Microcontroller-Compatible Serial Interface
High Speed Sampling and Automatic Power-Down Modes
Package Address Pin on the AD7811 and AD7812 Allows
Sharing of Serial Bus in Multipackage Applications
Input Signal Range: 0 V to VREF
Reference Input Range: 1.2 V to VDD

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