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TLV5626CD Datasheet Preview

TLV5626CD Datasheet

Low Power Dual 8-Bit DAC

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TLV5626
2.7-V TO 5.5-V LOW-POWER DUAL 8-BIT DIGITAL-TO-ANALOG
CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN
SLAS236A –JUNE 1999 – REVISED JUNE 2000
features
D Dual 8-Bit Voltage Output DAC
D Programmable Internal Reference
D Programmable Settling Time:
0.8 µs in Fast Mode ,
2.8 µs in Slow Mode
D Compatible With TMS320 and SPISerial
Ports
D Differential Nonlinearity <0.1 LSB Typ
D Monotonic Over Temperature
D PACKAGE
(TOP VIEW)
DIN 1
SCLK 2
CS 3
OUTA 4
8 VDD
7 OUTB
6 REF
5 AGND
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
description
The TLV5626 is a dual 8-bit voltage output DAC with a flexible 3-wire serial interface.The serial interface allows
glueless interface to TMS320 and SPI, QSPI, and Microwireserial ports. It is programmed with a 16-bit
serial string containing 2 control and 8 data bits.
The resistor string output voltage is buffered by a 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. With its on-chip programmable precision voltage
reference, the TLV5626 simplifies overall system design.
Because of its ability to source up to 1 mA, the reference can also be used as a system reference. 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 to reduce board space in standard commercial and industrial temperature ranges.
AVAILABLE OPTIONS
PACKAGE
TA
SOIC
(D)
0°C to 70°C
TLV5626CD
– 40°C to 85°C
TLV5626ID
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.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright © 1999, Texas Instruments Incorporated
1




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TLV5626CD Datasheet Preview

TLV5626CD Datasheet

Low Power Dual 8-Bit DAC

No Preview Available !

TLV5626
2.7-V TO 5.5-V LOW-POWER DUAL 8-BIT DIGITAL-TO-ANALOG
CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN
SLAS236A –JUNE 1999 – REVISED JUNE 2000
functional block diagram
REF AGND VDD
PGA With
Output Enable
Voltage
Bandgap
Power-On
Reset
Power
and Speed
Control
2
2
2-Bit
Control
Latch
x2
DIN
8
8-Bit
8
DAC A
SCLK
Serial
Interface
8
Latch
and
CS
Control
Buffer
8
8
8-Bit
DAC B
Latch
x2
OUTA
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
I DAC A analog voltage output
O DAC B analog voltage output
I/O Analog reference voltage input/output
I Digital serial clock input
P Positive power supply
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number TLV5626CD
Description Low Power Dual 8-Bit DAC
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