DSP101_05 Datasheet, PDF (1/25 Pages) Burr-Brown (TI) – DSP-Compatible Sampling Single/Dual ANALOG-TO-DIGITAL CONVERTERS

DSP102
DSP101
DSP102
DSP101
www.ti.com
DSP-Compatible Sampling Single/Dual
ANALOG-TO-DIGITAL CONVERTERS
FEATURES
q ZERO-CHIP INTERFACE TO STANDARD
DSP ICs: AD, AT&T, MOTOROLA, TI
q SINGLE CHANNEL: DSP101
q DUAL CHANNEL: DSP102
Two Serial Outputs or Cascade to Single
32-Bit Word
q SAMPLING RATE TO 200kHz
q DYNAMIC SPECIFICATIONS:
Signal/(Noise + Distortion) = 85dB;
Spurious-Free Dynamic Range = 94dB;
THD = –91dB
q SERIAL OUTPUT DATA COMPATIBLE
WITH 16-, 24-, AND 32-BIT DSP IC
FORMATS
DESCRIPTION
The DSP101 and DSP102 are high performance sam-
pling Analog-to-Digital (A/D) converters designed for
simplicity of use with modern digital signal process-
ing ICs. Both are complete with all interface logic for
use directly with DSP ICs, and provide full sampling
and conversion at rates up to 200kHz.
The DSP101 offers a single conversion channel, with
18 bits of serial data output, allowing the user to drive
16-bit, 24-bit, or 32-bit DSP ports. The DSP102 offers
two complete conversion channels, with either two
full 18-bit output ports, or a mode to cascade two
16-bit conversions into a 32-bit port as one word.
Both the DSP101 and DSP102 are packaged in stan-
dard, low-cost DIP-28 packages. Each is offered in
two performance grades to match application require-
ments.
Analog
Input
Channel A
Analog
Input
Channel B
18-Bit Sampling ADC
Reference
18-Bit Sampling ADC
Channel B on DSP102 Only
Convert
Command
Control
Logic
Select Sync Format
Channel A User Tag In
Channel A Data/
Cascaded Data
Sync
Bit Clock
Channel B Data
Channel B User Tag In
Cascade
Copyright © 1990, Texas Instruments Incorporated
SBAS003A
Printed in U.S.A. February, 2001