TLC32040C, TLC32040I, TLC32041C, TLC32041I
ANALOG INTERFACE CIRCUITS
SLAS014E – SEPTEMBER 1987 – REVISED MAY 1995
N PACKAGE
(TOP VIEW)
14-Bit Dynamic Range ADC and DAC
Variable ADC and DAC Sampling Rate Up
to 19,200 Samples per Second
NU
RESET
EODR
NU
1
28
27
26
25
24
Switched-Capacitor Antialiasing Input Filter
and Output-Reconstruction Filter
NU
2
IN+
3
Serial Port for Direct Interface to TMS32011,
TMS320C17, TMS32020, and TMS320C25
Digital Signal Process
FSR
IN–
4
DR
AUX IN+
5
MSTR CLK
6
23 AUX IN–
Synchronous or Asynchronous ADC and
DAC Conversion Rate With Programmable
Incremental ADC and DAC Conversion
Timing Adjustments
7
22
21
20
19
18
17
16
15
V
OUT+
OUT–
DD
8
REF
DGTL GND
SHIFT CLK
EODX
9
V
V
CC+
CC–
10
11
12
13
14
ANLG GND
ANLG GND
NU
Serial Port Interface to SN74299
Serial-to-Parallel Shift Register for Parallel
Interface to TMS32010, TMS320C15, or
Other Digital Processors
DX
WORD/BYTE
FSX
NU
600-Mil Wide N Package (C to C )
L
L
FN PACKAGE
(TOP VIEW)
2s Complement Format
CMOS Technology
PART
NUMBER
DESCRIPTION
4
3
2 1 28 27 26
Analoginterface circuit with internal reference.
Also a plug-in replacement for TLC32041.
TLC32040
5
25 IN–
DR
6
AUX IN+
AUX IN–
OUT+
24
23
22
21
20
19
MSTR CLK
Analog interface circuit without internal
reference
TLC32041
7
V
DD
8
REF
DGTL GND
SHIFT CLK
EODX
description
OUT–
9
V
10
CC+
The TLC32040 and TLC32041 are complete
analog-to-digital and digital-to-analog input/
output systems, each on a single monolithic
CMOS chip. This device integrates a bandpass
switched-capacitor antialiasing input filter, a
V
11
CC–
12 13 14 15 16 17 18
14-bit-resolution
A/D
converter,
four
microprocessor-compatible serial port modes, a
14-bit-resolution D/A converter, and a low-pass
switched-capacitor output-reconstruction filter.
NU – Nonusable; no external connection should be made to
these terminals.
AVAILABLE OPTIONS
PACKAGE
PLASTIC CHIP
T
A
PLASTIC DIP
(N)
CARRIER
(FN)
TLC32040CFN
TLC32041CFN
TLC32040CN
TLC32041CN
0°C to 70°C
TLC32040IN
TLC32041IN
–40°C to 85°C
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.
Copyright 1995, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265