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ADS7863IRGE

Description
DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24
Categorysemiconductor    logic   
File Size628KB,30 Pages
ManufacturerBurr-Brown
Websitehttp://www.burr-brown.com/
Download Datasheet Parametric Compare View All

ADS7863IRGE Overview

DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24

ADS7863IRGE Parametric

Parameter NameAttribute value
Number of functions2
Number of terminals24
Maximum operating temperature125 Cel
Minimum operating temperature-40 Cel
Rated supply voltage5 V
Maximum conversion time13 uS
Maximum linear error0.0305 %
Maximum limit analog input voltage2.52 V
Minimum limit analog input voltage-0.5000 V
Processing package descriptionGREEN, PLASTIC, SSOP-24
Lead-freeYes
EU RoHS regulationsYes
China RoHS regulationsYes
stateACTIVE
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE, SHRINK PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.6350 mm
terminal coatingNICKEL PALLADIUM GOLD
Terminal locationDUAL
Packaging MaterialsPLASTIC/EPOXY
Temperature levelAUTOMOTIVE
Sampling Rate2 MHz
Output formatSERIAL
Type of converterSUCCESSIVE APPROXIMATION
Number of digits12
Output bit encoding2S COMPLEMENT BINARY
Number of analog channels2
Sample and hold and track and holdSAMPLE
Burr Brown Products
from Texas Instruments
AD
S7
ADS7863
863
AD
S78
63
SBAS383 – JUNE 2007
Dual, 1.5MSPS, 12-Bit, 2 + 2 Channel, Simultaneous Sampling
ANALOG-TO-DIGITAL CONVERTER
FEATURES
Four Fully- or Six Pseudo-Differential Inputs
SINAD: 70dB (min), THD: –75dB (max)
Programmable and Buffered Internal 2.5V
Reference
Flexible Power-Down Features
Variable Power Supply Ranges
Low Power Operation: 40mW at 5V
Operating Temperature Range: –40°C to
+125°C
Pin-Compatible with
ADS7861
and
ADS8361
(SSOP package)
DESCRIPTION
The ADS7863 is a dual, 12-bit, 1.5MSPS,
analog-to-digital converter (ADC) with four fully
differential input channels grouped into two pairs for
high-speed, simultaneous signal acquisition. Inputs
to the sample-and-hold (S/H) amplifiers are fully
differential and are maintained differential to the input
of the ADC. This architecture provides excellent
common-mode rejection of 80dB at 50kHz, which is
a critical performance characteristic in noisy
environments.
The ADS7863 is pin-compatible with the
ADS8361,
but offers additional features such as a
programmable reference output, flexible supply
voltage (2.7V to 5.5V for AV
DD
and 1.65V to 5.5V for
BV
DD
), a pseudo-differential input multiplexer with
three channels per ADC, and several power-down
features.
The high-speed, dual serial interface is also
pin-compatible with the
ADS7861
while offering
additional flexibility. The ADS7863 is offered in an
SSOP-24 and a 4x4mm QFN-24 package. It is
specified over the extended operating temperature
range of –40°C to +125°C.
SAR
AV
DD
CHA0+
CHA0-
CHA1+
CHA1-
Input
MUX
S/H
CDAC
Comparator
BV
DD
SDOA
SDOB
M0
APPLICATIONS
Motor Control
Multi-Axis Positioning Systems
Three-Phase Power Control
Serial Interface
M1
SDI
CLOCK
CS
RD
CHB0+
CHB0-
CHB1+
CHB1-
REF
IN
SAR
Input
MUX
S/H
CDAC
Comparator
BUSY
CONVST
BGND
REF
OUT
AGND
10-Bit DAC
2.5V Reference
Functional Block Diagram
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
PRODUCT PREVIEW information concerns products in the
formative or design phase of development. Characteristic data and
other specifications are design goals. Texas Instruments reserves
the right to change or discontinue these products without notice.
Copyright © 2007, Texas Instruments Incorporated
PRODUCT PREVIEW

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Description DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 DUAL 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24
Number of functions 2 2 2 2 2 2 2
Number of terminals 24 24 24 24 24 24 24
Maximum operating temperature 125 Cel 125 Cel 125 Cel 125 Cel 125 Cel 125 Cel 125 Cel
Minimum operating temperature -40 Cel -40 Cel -40 Cel -40 Cel -40 Cel -40 Cel -40 Cel
Rated supply voltage 5 V 5 V 5 V 5 V 5 V 5 V 5 V
Maximum conversion time 13 uS 13 uS 13 uS 13 uS 13 uS 13 uS 13 uS
Maximum linear error 0.0305 % 0.0305 % 0.0305 % 0.0305 % 0.0305 % 0.0305 % 0.0305 %
Maximum limit analog input voltage 2.52 V 2.52 V 2.52 V 2.52 V 2.52 V 2.52 V 2.52 V
Minimum limit analog input voltage -0.5000 V -0.5000 V -0.5000 V -0.5000 V -0.5000 V -0.5000 V -0.5000 V
Processing package description GREEN, PLASTIC, SSOP-24 GREEN, PLASTIC, SSOP-24 GREEN, PLASTIC, SSOP-24 GREEN, PLASTIC, SSOP-24 GREEN, PLASTIC, SSOP-24 GREEN, PLASTIC, SSOP-24 GREEN, PLASTIC, SSOP-24
Lead-free Yes Yes Yes Yes Yes Yes Yes
EU RoHS regulations Yes Yes Yes Yes Yes Yes Yes
China RoHS regulations Yes Yes Yes Yes Yes Yes Yes
state ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE
packaging shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package Size SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH
surface mount Yes Yes Yes Yes Yes Yes Yes
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal spacing 0.6350 mm 0.6350 mm 0.6350 mm 0.6350 mm 0.6350 mm 0.6350 mm 0.6350 mm
terminal coating NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Packaging Materials PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
Temperature level AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
Sampling Rate 2 MHz 2 MHz 2 MHz 2 MHz 2 MHz 2 MHz 2 MHz
Output format SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL
Type of converter SUCCESSIVE APPROXIMATION SUCCESSIVE APPROXIMATION SUCCESSIVE APPROXIMATION SUCCESSIVE APPROXIMATION SUCCESSIVE APPROXIMATION SUCCESSIVE APPROXIMATION SUCCESSIVE APPROXIMATION
Number of digits 12 12 12 12 12 12 12
Output bit encoding 2S COMPLEMENT BINARY 2S COMPLEMENT BINARY 2S COMPLEMENT BINARY 2S COMPLEMENT BINARY 2S COMPLEMENT BINARY 2S COMPLEMENT BINARY 2S COMPLEMENT BINARY
Number of analog channels 2 2 2 2 2 2 2
Sample and hold and track and hold SAMPLE SAMPLE SAMPLE SAMPLE SAMPLE SAMPLE SAMPLE
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