ADS7862YB Burr-Brown Corporation, ADS7862YB Datasheet

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ADS7862YB

Manufacturer Part Number
ADS7862YB
Description
Dual 500kHz/ 12-Bit/ 2 2 Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER
Manufacturer
Burr-Brown Corporation
Datasheet

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FEATURES
APPLICATIONS
© 1998 Burr-Brown Corporation
For most current data sheet and other product
MOTOR CONTROL
MULTI-AXIS POSITIONING SYSTEMS
3-PHASE POWER CONTROL
4 INPUT CHANNELS
FULLY DIFFERENTIAL INPUTS
2 s TOTAL THROUGHPUT PER CHANNEL
GUARANTEED NO MISSING CODES
PARALLEL INTERFACE
1MHz EFFECTIVE SAMPLING RATE
LOW POWER: 40mW
information, visit www.burr-brown.com
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
REF
CH A0+
CH A0–
CH A1+
CH A1–
CH B0+
CH B0–
CH B1+
CH B1–
REF
OUT
IN
ANALOG-TO-DIGITAL CONVERTER
Dual 500kHz, 12-Bit, 2 + 2 Channel
MUX
MUX
®
Simultaneous Sampling
Amp
S/H
Amp
S/H
Reference
Internal
2.5V
CDAC
CDAC
PDS-1475B
1
SAR
SAR
DESCRIPTION
The ADS7862 is a dual 12-bit, 500kHz analog-to-
digital converter (A/D) with 4 fully differential input
channels grouped into two pairs for high speed simulta-
neous signal acquisition. Inputs to the sample-and-hold
amplifiers are fully differential and are maintained dif-
ferential to the input of the A/D converter. This provides
excellent common-mode rejection of 80dB at 50kHz
which is important in high noise environments.
The ADS7862 offers parallel interface and control in-
puts to minimize software overhead. The output data for
each channel is available as a 12-bit word. The ADS7862
is offered in an TQFP-32 package and is full specified
over the –40 C to +85 C operating range.
COMP
COMP
Conversion
Registers
Interface
Control
Output
and
ADS7862
ADS7862
12
Printed in U.S.A. May, 2000
A0
CLOCK
CS
RD
BUSY
CONVST
Data Output
®

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