TCM320AC36, TCM320AC37
VOICE-BAND AUDIO PROCESSORS (VBAP™)
SLWS003C – MAY 1992 – REVISED APRIL – 1998
D
D
D
D
D
D
D
Single 5-V Operation
Low Power Consumption:
– Operating Mode . . . 40 mW Typ
– Standby Mode . . . 5 mW Typ
– Power-Down Mode . . . 3 mW Typ
Combined A/D, D/A, and Filters
Extended Variable-Frequency Operation
– Sample Rates up to 16 kHz
– Pass-Band up to 7.2 kHz
Electret Microphone Bias Reference
Voltage Available
Drive a Piezo Speaker Directly
Compatible With All Digital Signal
Processors (DSPs)
DW OR N PACKAGE
(TOP VIEW)
D
D
D
D
Selectable Between 8-Bit Companded and
13-Bit (Dynamic Range) Linear Conversion:
– TCM320AC36 . . .
µ-Law
and Linear
Modes
– TCM320AC37 . . . A-Law and Linear
Modes
Programmable Volume Control in Linear
Mode
300 Hz – 3.6 kHz Passband with Specified
Master Clock
Designed for Standard 2.048-MHz Master
Clock for U.S. Analog, U.S. Digital, CT2,
DECT, GSM, and PCS Standards for
Hand-Held Battery-Powered Telephones
PT PACKAGE
(TOP VIEW)
PDN
EARA
EARB
EARGS
V
CC
MICMUTE
DCLKR
DIN
FSR
EARMUTE
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
MICBIAS
MICGS
MICIN
VMID
GND
LINSEL
TSX/DCLKX
DOUT
FSX
CLK
48 47 46 45 44 43 42 41 40 39 38 37
NC
NC
EARGS
EARB
EARA
PDN
MICBIAS
MICGS
MICIN
NC
NC
NC
NC
NC
NC
AV
CC
NC
NC
NC
NC
DV
CC
NC
MICMUTE
NC
1
2
3
4
5
6
7
8
9
10
11
12
13 14 15 16 17 18 19 20 21 22 23 24
36
35
34
33
32
31
30
29
28
27
26
25
VMID
NC
AGND
NC
NC
NC
NC
NC
NC
DGND
LINSEL
NC
NC – No internal connection
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
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.
VBAP is a trademark of 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.
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
NC
DCLKR
DIN
FSR
EARMUTE
NC
CLK
FSX
DOUT
TSX/DCLKX
NC
NC
Copyright
©
1998, Texas Instruments Incorporated
1
TI [ TEXAS INSTRUMENTS ]
