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TMS57014A Datasheet

  • TMS57014A

  • DUAL AUDIO DIGITAL-TO-ANALOG CONVERTER

  • 16頁

  • TI

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TMS57014A
DUAL AUDIO DIGITAL-TO-ANALOG CONVERTER
SLAS077D 鈥?SEPTEMBER 1993 鈥?REVISED NOVEMBER 1995
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Single 5-V Power Supply
Sample Rates (F
s
) up to 48 kHz
18-Bit Resolution
Pulse-Width-Modulation (PWM) Output
De-emphasis Filter for Sample Rates of
32, 37.8, 44.1, and 48 kHz
Mute With Zero-Data-Detect Flags
Digital Attenuation to 鈥?60 dB
Total Harmonic Distortion of 0.004%
Maximum
Total-Channel Dynamic Range of 96 dB
Minimum
Serial-Port Interface
Differential Architecture
CMOS Technology
2s-Complement Data Format
DWB PACKAGE
(TOP VIEW)
INIT
TEST
ATT
SHIFT
LATCH
256FSO
TEST
DGND
TEST
BCK
DATA
LRCK
MUTEL
MUTER
1
2
3
4
5
6
7
8
9
10
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28
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DV
DD
L1
AV
DDL
L2
AGNDL
XGND
XIN
XOUT
XV
DD
AGNDR
R2
AV
DDR
R1
DV
DD
description
The TMS57014A is a stereo oversampled-sigma-delta digital-to-analog converter (DAC) designed for use in
systems such as compact disks, digital audio tapes, multimedia, and video cassette recorders. The device
provides high-resolution signal conversion. This device consists of two identical synchronous conversion paths
for left and right audio channels. Other overhead functions provide on-chip timing and control.
Additional features include muting, attenuation, de-emphasis, and zero-data detection. Control words (16-bit)
from a host controller or processor implement these functions.
The TMS57014A is characterized for operation from 0擄C to 70擄C.
AVAILABLE OPTION鈥?/div>
PACKAGE
TA
0擄C to 70擄C
SMALL OUTLINE
(DWB)
TMS57014ADWBLE
鈥?Available on tape and reel (LE) only.
This device contains circuits to protect its inputs and outputs against damage due to high static voltages or electrostatic fields;
however, it is advised that precautions be taken to avoid application of any voltage higher than maximum-rated voltages to these
high-impedance circuits. During storage or handling, the device leads should be shorted together or the device should be placed
in conductive foam. In a circuit, unused inputs should always be connected to an appropriated logic voltage level, preferably either
VCC or ground.
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
漏
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.
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

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