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AD7866BRUZ-REEL7, AD7866YS-1, AD7868

Table of contents:
Info of AD7866BRUZ-REEL7
Info of AD7866YS-1
Info of AD7868

AD7866BRUZ-REEL7, AD7866YS-1, AD7868 Selling Leads, Datasheet

MFG:Analog Devices Inc Category:Integrated Circuits (ICs) Package Cooled:RU D/C:2010+

AD7866BRUZ-REEL7, AD7866YS-1, AD7868 Picture

AD7866BRUZ-REEL7, AD7866YS-1, AD7868 Datasheet download

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Part Number: AD7866BRUZ-REEL7

Category: Integrated Circuits (ICs)

MFG: Analog Devices Inc

Package Cooled: RU

D/C: 2010+

Description: IC ADC 12BIT 2CHAN DUAL 20TSSOP

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AD7866BRUZ-REEL7 Parameters

Technical/Catalog Information	AD7866BRUZ-REEL7
Vendor	Analog Devices Inc
Category	Integrated Circuits (ICs)
Number of Bits	12
Package / Case	20-TSSOP
Data Interface	Serial
Packaging	Tape & Reel (TR)
Sampling Rate (Per Second)	1M
Operating Temperature	-40°C ~ 125°C
Voltage Supply Source	Analog and Digital
Number of Inputs and Type	4 Single-Ended, Unipolar
Number of Converters	2
Power Dissipation (Max)	24mW
Drawing Number	*
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	AD7866BRUZ REEL7 AD7866BRUZREEL7

AD7868 General Description

The AD7868 is a complete 12-bit I/O system containing a DAC and an ADC . The ADC is a successive approximation type with a track-and-hold amplifier having a combined throughput rate of 83 kHz. The DAC has an output buffer amplifier with a settling time of 3 ms to 12 bits. Temperature compensated 3 V buried Zener references provide precision references for the DAC and ADC.

Interfacing to both the DAC and ADC is serial, minimizing pin count and giving a small 24-pin package size. Standard control signals allow serial interfacing to most DSP machines. Asynchronous ADC conversion control and DAC updating is made possible with the CONVST and LDAC logic inputs.

The AD7868 operates from ±5 V power supplies, the analog input/ output range of the ADC/DAC is ±3 V. The part is fully specified for dynamic parameters such as signal-to-noise ratio and harmonic distortion as well as traditional dc specifications. The part is available in a 24-pin, 0.3" wide, plastic or hermetic dual-in-line package (DIP) and in a 28-pin, plastic SOIC package.

AD7868 Maximum Ratings

V_DD to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
V_SS to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to 7 V
AGND to DGND . . . . . . . . . . . . . . . . . . . . . . 0.3 V to V_DD+0.3 V
V_OUT to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V_SS to V_DD
V_IN to AGND . . . . . . . . . . . . . . . .  . . . .V_SS 0.3 V to V_DD + 0.3 V
RO ADC to AGND . . . . . . . . . . . . . . .  . . . . 0.3 V to V_DD + 0.3 V
RO DAC to AGND . . . . . . . . . . . . . . . . . . . 0.3 V to V_DD + 0.3 V
RI DAC to AGND . . . . . . . . . . . . . . . . . . . . 0.3 V to V_DD+ 0.3 V
Digital Inputs to AGND . . . . . . . . . . . . . . . 0.3 V to V_DD + 0.3 V
Digital Outputs to AGND . . . . . . . . . . . . . 0.3 V to V_DD + 0.3 V
Operating Temperature Range
A, B Versions . . . . . . . . . . . . . . . . . . . . . . . . . 40°C to +85°C
T Version . . . . . . . . . . . . . . . . . . . . . . . . . . . 55°C to +125°C
Storage Temperature Range . . . . . . . . . . . . 65°C to +150°C
Lead Temperature (Soldering, 10 secs) . . . . . . . . . . . . +300°C
Power Dissipation (Any Package) to +75°C . . . . . . . . . 450 mW
Derates above +75°C by . . . . . . . . . . . . . . . . . . . .  .10 mW/°C
*Stresses above those listed under "Absolute Maximum Ratings" may cause ermanent damage to the device. This is a stress rating only and functional peration of the device at these or any other conditions above those listed in the perational sections of this specification is not implied. Exposure to absolute aximum rating conditions for extended periods may affect device reliability.

AD7868 Features

`Complete 12-Bit I/O System, Comprising:
`12-Bit ADC with Track/Hold Amplifier
`83 kHz Throughout Rate
`72 dB SNR
`12-Bit DAC with Output Amplifier
`3 ms Settling Time
`72 dB SNR
`On-Chip Voltage Reference
`Operates from 65 V Supplies
`Low Power 130 mW typ
`Small 0.3" Wide DIP

AD7868 Typical Application

·Digital Signal Processing
·Speech Recognition and Synthesis
·Spectrum Analysis
·High Speed Modems
·DSP Servo Control

AD7868 Connection Diagram

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