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| 型号： | TMS57014ADWBLE |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | DUAL, SERIAL INPUT LOADING, 18-BIT DAC, PDSO28 |
| 封装： | PLASTIC, SOIC-28 |
| 文件页数： | 1/17页 |
| 文件大小： | 250K |
| 代理商： | TMS57014ADWBLE |
TMS57014A
DUAL AUDIO DIGITAL-TO-ANALOG CONVERTER
SLAS077D – SEPTEMBER 1993 – REVISED NOVEMBER 1995
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Single 5-V Power Supply
D Sample Rates (Fs) up to 48 kHz
D 18-Bit Resolution
D Pulse-Width-Modulation (PWM) Output
D De-emphasis Filter for Sample Rates of
32, 37.8, 44.1, and 48 kHz
D Mute With Zero-Data-Detect Flags
D Digital Attenuation to –60 dB
D Total Harmonic Distortion of 0.004%
Maximum
D Total-Channel Dynamic Range of 96 dB
Minimum
D Serial-Port Interface
D Differential Architecture
D CMOS Technology
D 2s-Complement Data Format
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
°C to 70°C.
AVAILABLE OPTION
PACKAGE
TA
SMALL OUTLINE
(DWB)
0
°C to 70°C
TMS57014ADWBLE
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.
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.
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.
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INIT
TEST
ATT
SHIFT
LATCH
256FSO
TEST
DGND
TEST
BCK
DATA
LRCK
MUTEL
MUTER
DVDD
L1
AVDDL
L2
AGNDL
XGND
XIN
XOUT
XVDD
AGNDR
R2
AVDDR
R1
DVDD
DWB PACKAGE
(TOP VIEW)
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