TLV320AC36, TLV320AC37
3-V VOICE-BAND AUDIO PROCESSORS (VBAP
)
SLWS006B – NOVEMBER 1994 – REVISED OCTOBER 1997
Single 3-V Operation
Selectable Between 8-Bit Companded and
13-Bit (Dynamic Range) Linear Conversion:
– TLV320AC36 . . . µ-Law and Linear Modes
– TLV320AC37 . . . A-Law and Linear
Modes
Low Power Consumption:
– Operating Mode . . . 20 mW Typ
– Standby Mode . . . 5 mW Typ
– Power-Down Mode . . . 2 mW Typ
Programmable Volume Control in Linear
Mode
Combined A/D, D/A, and Filters
Extended Variable-Frequency Operation
– Sample Rates up to 16 kHz
– Pass-Band up to 7.2 kHz
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
Electret Microphone Bias Reference
Voltage Available
Drive a Piezo Speaker Directly
Compatible With All Digital Signal
Processors (DSPs)
PT PACKAGE
(TOP VIEW)
DW OR N PACKAGE
(TOP VIEW)
PDN
EARA
EARB
MICBIAS
MICGS
MICIN
VMID
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
48 47 46 45 44 43 42 41 40 39 38 37
EARGS
V
GND
36
35
34
33
32
31
30
29
28
27
26
25
VMID
NC
AGND
NC
NC
NC
NC
NC
NC
NC
NC
NC
1
CC
MICMUTE
DCLKR
DIN
FSR
EARMUTE
LINSEL
TSX/DCLKX
DOUT
FSX
2
3
AV
4
CC
NC
5
CLK
NC
NC
NC
6
7
8
9
DV
CC
10
11
12
DGND
LINSEL
NC
NC
MICMUTE
NC
13 14 15 16 17 18 19 20 21 22 23 24
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.
Copyright 1997, 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