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TLV5604ID Datasheet Preview

TLV5604ID Datasheet

Quadruple Digital-to-Analog Converter

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TLV5604
2.7-V TO 5.5-V 10-BIT 3-µS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
SLAS176B – DECEMBER 1997 – REVISED JULY 2002
D Four 10-Bit D/A Converters
D Programmable Settling Time
of 3 µs or 9 µs Typ
D TMS320, (Q)SPI, and Microwire
Compatible Serial Interface
D Internal Power-On Reset
D Low Power Consumption:
5.5 mW, Slow Mode – 5-V Supply
3.3 mW, Slow Mode – 3-V Supply
D Reference Input Buffers
D Voltage Output Range . . . 2 × the Reference
Input Voltage
D Monotonic Over Temperature
D Dual 2.7-V to 5.5-V Supply (Separate Digital
and Analog Supplies)
description
The TLV5604 is a quadruple 10-bit voltage output
digital-to-analog converter (DAC) with a flexible
4-wire serial interface. The 4-wire serial interface
allows glueless interface to TMS320, SPI, QSPI,
and Microwire serial ports. The TLV5604 is
programmed with a 16-bit serial word comprised
of a DAC address, individual DAC control bits, and
a 10-bit DAC value.
D Hardware Power Down (10 nA)
D Software Power Down (10 nA)
D Simultaneous Update
applications
D Battery Powered Test Instruments
D Digital Offset and Gain Adjustment
D Industrial Process Controls
D Machine and Motion Control Devices
D Communications
D Arbitrary Waveform Generation
D OR PW PACKAGE
(TOP VIEW)
DVDD 1
PD 2
LDAC 3
DIN 4
SCLK 5
CS 6
FS 7
DGND 8
16 AVDD
15 REFINAB
14 OUTA
13 OUTB
12 OUTC
11 OUTD
10 REFINCD
9 AGND
The device has provision for two supplies: one digital supply for the serial interface (via pins DVDD and DGND),
and one for the DACs, reference buffers and output buffers (via pins AVDD and AGND). Each supply is
independent of the other, and can be any value between 2.7 V and 5.5 V. The dual supplies allow a typical
application where the DAC will be controlled via a microprocessor operating on a 3-V supply (also used on pins
DVDD and DGND), with the DACs operating on a 5-V supply. Of course, the digital and analog supplies can be
tied together.
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. A rail-to-rail output stage and a power-down mode
makes it ideal for single voltage, battery based applications. The settling time of the DAC is programmable to
allow the designer to optimize speed versus power dissipation. The settling time is chosen by the control bits
within the 16-bit serial input string. A high-impedance buffer is integrated on the REFINAB and REFINCD
terminals to reduce the need for a low source impedance drive to the terminal. REFINAB and REFINCD allow
DACs A and B to have a different reference voltage then DACs C and D.
The device, implemented with a CMOS process, is available in 16-terminal SOIC and TSSOP packages. The
TLV5604C is characterized for operation from 0°C to 70°C. The TLV5604I is characterized for operation from
– 40°C to 85°C.
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 2002, Texas Instruments Incorporated
1




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TLV5604ID Datasheet Preview

TLV5604ID Datasheet

Quadruple Digital-to-Analog Converter

No Preview Available !

TLV5604
2.7-V TO 5.5-V 10-BIT 3-µS QUADRUPLE DIGITAL-TO-ANALOG CONVERTERS
WITH POWER DOWN
SLAS176B DECEMBER 1997 REVISED JULY 2002
TA
0°C to 70°C
40°C to 85°C
AVAILABLE OPTIONS
PACKAGE
SOIC
(D)
TSSOP
(PW)
TLV5604CD
TLV5604CPW
TLV5604ID
TLV5604IPW
functional block diagram
15
REFINAB
Power-On
Reset
DAC A
AVDD
16
DVDD
1
+
_
x2
14
OUTA
4 Serial 14
DIN
Input
Register
2
FS
SCLK
CS
7
DAC
5 Select/
Control
6 Logic
14-Bit
Data
and
Control
Register
10
10-Bit
10
DAC
Latch
2
2-Bit
Control
2
Data
Latch
Power Down/
Speed Control
DAC B
13 OUTB
REFINCD
9
AGND
8
DGND
DAC C
12 OUTC
DAC D
3
2
LDAC
PD
11 OUTD
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number TLV5604ID
Description Quadruple Digital-to-Analog Converter
Maker etcTI
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