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TLC5620CN 参数 Datasheet PDF下载

TLC5620CN图片预览
型号: TLC5620CN
PDF下载: 下载PDF文件 查看货源
内容描述: 翻两番8位数字 - 模拟转换器 [QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS]
分类和应用: 转换器数模转换器光电二极管
文件页数/大小: 14 页 / 217 K
品牌: TI [ TEXAS INSTRUMENTS ]
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TLC5620C, TLC5620I
QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS
SLAS081E – NOVEMBER 1994 – REVISED NOVEMBER 2001
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
Four 8-Bit Voltage Output DACs
5-V Single-Supply Operation
Serial Interface
High-Impedance Reference Inputs
Programmable 1 or 2 Times Output Range
Simultaneous Update Facility
Internal Power-On Reset
Low-Power Consumption
Half-Buffered Output
N OR D PACKAGE
(TOP VIEW)
GND
REFA
REFB
REFC
REFD
DATA
CLK
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
DD
LDAC
DACA
DACB
DACC
DACD
LOAD
applications
Programmable Voltage Sources
Digitally Controlled Amplifiers/Attenuators
Mobile Communications
Automatic Test Equipment
Process Monitoring and Control
Signal Synthesis
description
The TLC5620C and TLC5620I are quadruple 8-bit voltage output digital-to-analog converters (DACs) with
buffered reference inputs (high impedance). The DACs produce an output voltage that ranges between either
one or two times the reference voltages and GND, and the DACs are monotonic. The device is simple to use,
running from a single supply of 5 V. A power-on reset function is incorporated to ensure repeatable start-up
conditions.
Digital control of the TLC5620C and TLC5620I are over a simple three-wire serial bus that is CMOS compatible
and easily interfaced to all popular microprocessor and microcontroller devices. The 11-bit command word
comprises eight bits of data, two DAC-select bits, and a range bit, the latter allowing selection between the times
1 or times 2 output range. The DAC registers are double buffered, allowing a complete set of new values to be
written to the device, then all DAC outputs are updated simultaneously through control of LDAC. The digital
inputs feature Schmitt triggers for high noise immunity.
The 14-terminal small-outline (D) package allows digital control of analog functions in space-critical
applications. The TLC5620C is characterized for operation from 0°C to 70°C. The TLC5620I is characterized
for operation from – 40°C to 85°C. The TLC5620C and TLC5620I do not require external trimming.
AVAILABLE OPTIONS
PACKAGE
TA
0°C to 70°C
– 40°C to 85°C
SMALL OUTLINE
(D)
TLC5620CD
TLC5620ID
PLASTIC DIP
(N)
TLC5620CN
TLC5620IN
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
2001, 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
1