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TLV5625ID Datasheet Preview

TLV5625ID Datasheet

Low-Power Dual 8-Bit Digital-to-Analog Converter

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TLV5625
2.7ĆV TO 5.5ĆV LOWĆPOWER DUAL 8ĆBIT DIGITALĆTOĆANALOG
CONVERTER WITH POWER DOWN
SLAS233D − JULY 1999 − REVISED JULY 2002
features
D Dual 8-Bit Voltage Output DAC
D Programmable Internal Reference
D Programmable Settling Time
− 3 µs in Fast Mode
− 10 µs in Slow Mode
D Compatible With TMS320 and SPISerial
Ports
D Differential Nonlinearity <0.2 LSB Max
D Monotonic Over Temperature
applications
D Digital Servo Control Loops
D Digital Offset and Gain Adjustment
D Industrial Process Control
D Machine and Motion Control Devices
D Mass Storage Devices
D PACKAGE
(TOP VIEW)
description
The TLV5625 is a dual 8-bit voltage output DAC
with a flexible 3-wire serial interface. The serial
interface is compatible with TMS320, SPI,
QSPI, and Microwireserial ports. It is pro-
grammed with a 16-bit serial string containing 4
control and 8 data bits.
DIN 1
SCLK 2
CS 3
OUTA 4
8 VDD
7 OUTB
6 REF
5 AGND
The resistor string output voltage is buffered by an x2 gain rail-to-rail output buffer. The buffer features a
Class-AB output stage to improve stability and reduce settling time. The programmable settling time of the DAC
allows the designer to optimize speed versus power dissipation.
Implemented with a CMOS process, the device is designed for single supply operation from 2.7 V to 5.5 V. It
is available in an 8-pin SOIC package in standard commercial and industrial temperature ranges.
AVAILABLE OPTIONS
PACKAGE
TA
SOIC
(D)
0°C to 70°C
TLV5625CD
−40°C to 85°C
TLV5625ID
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.
SPI and QSPI are trademarks of Motorola, Inc.
Microwire is a trademark of National Semiconductor Corporation.
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.
Copyright 2002, Texas Instruments Incorporated
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
1




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TLV5625ID Datasheet Preview

TLV5625ID Datasheet

Low-Power Dual 8-Bit Digital-to-Analog Converter

No Preview Available !

TLV5625
2.7ĆV TO 5.5ĆV LOWĆPOWER DUAL 8ĆBIT DIGITALĆTOĆANALOG
CONVERTER WITH POWER DOWN
SLAS233D − JULY 1999 − REVISED JULY 2002
functional block diagram
REF AGND VDD
Power-On
Reset
Power and
Speed Control
2
DIN
SCLK
CS
8
8-Bit
8
DAC A
Serial
Interface
8
Latch
and
Control
Buffer
8
8
8-Bit
DAC B
Latch
x2
OUTA
x2
OUTB
TERMINAL
NAME
NO.
AGND
5
CS
3
DIN
1
OUTA
4
OUTB
7
REF
6
SCLK
2
VDD
8
Terminal Functions
I/O/P
DESCRIPTION
P Ground
I Chip select. Digital input active low, used to enable/disable inputs.
I Digital serial data input
O DAC A analog voltage output
O DAC B analog voltage output
I Analog reference voltage input
I Digital serial clock input
P Positive power supply
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number TLV5625ID
Description Low-Power Dual 8-Bit Digital-to-Analog Converter
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