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TLV5628C Datasheet Preview

TLV5628C Datasheet

Octal 8-Bit Digital-to-Analog Converter

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TLV5628C, TLV5628I
OCTAL 8-BIT DIGITAL-TO-ANALOG CONVERTERS
D Eight 8-Bit Voltage Output DACs
D 3-V Single Supply Operation
D Serial Interface
D High-Impedance Reference Inputs
D Programmable for 1 or 2 Times Output
Range
D Simultaneous Update Facility
D Internal Power-On Reset
D Low Power Consumption
D Half-Buffered Output
SLAS108A – JANUARY 1995 – REVISED NOVEMBER 1995
DW OR N PACKAGE
(TOP VIEW)
DACB 1
DACA 2
GND 3
DATA 4
CLK 5
VDD 6
DACE 7
DACF 8
16 DACC
15 DACD
14 REF1
13 LDAC
12 LOAD
11 REF2
10 DACH
9 DACG
applications
D Programmable Voltage Sources
D Digitally Controlled Amplifiers/Attenuators
D Mobile Communications
D Automatic Test Equipment
D Process Monitoring and Control
D Signal Synthesis
description
The TLV5628C and TLV5628I are octal 8-bit voltage output digital-to-analog converters (DACs) with buffered
reference inputs (high impedance). The DACs produce an output voltage that varies between 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 3 to 3.6 V. A power-on reset function is incorporated to ensure repeatable start-up conditions.
Digital control of the TLV5628C and TLV5628I is over a simple 3-wire serial bus that is CMOS compatible and
easily interfaced to all popular microprocessor and microcontroller devices. The 12-bit command word
comprises 8 bits of data, 3 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 the LDAC terminal.
The digital inputs feature Schmitt triggers for high noise immunity.
The 16-terminal small-outline D package allows digital control of analog functions in space-critical applications.
The TLV5628C is characterized for operation from 0°C to 70°C. The TLV5628I is characterized for operation
from – 40°C to 85°C. The TLV5628C and TLV5628I do not require external trimming.
AVAILABLE OPTIONS
PACKAGE
TA
SMALL OUTLINE
(DW)
0°C to 70°C
TLV5628CDW
– 40°C to 85°C
TLV5628IDW
PLASTIC DIP
(N)
TLV5628CN
TLV5628IN
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.
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 © 1995, Texas Instruments Incorporated
1




etcTI

TLV5628C Datasheet Preview

TLV5628C Datasheet

Octal 8-Bit Digital-to-Analog Converter

No Preview Available !

TLV5628C, TLV5628I
OCTAL 8-BIT DIGITAL-TO-ANALOG CONVERTERS
SLAS108A – JANUARY 1995 – REVISED NOVEMBER 1995
functional block diagram
REF1
+
DAC
+
9
Latch
Latch 8
×2
REF2
+
DAC
+
Latch
Latch 8
×2
DAC
+
Latch
Latch 8
×2
CLK
DATA
LOAD
DAC
+
Latch
Latch 8
×2
Serial
Interface
LDAC
Power-On
Reset
Terminal Functions
TERMINAL
I/O
NAME NO.
DESCRIPTION
CLK
5 I Serial-interface clock, data enters on the negative edge
DACA
2 O DACA analog output
DACB
1 O DACB analog output
DACC
16 O DACC analog output
DACD
15 O DACD analog output
DACE
7 O DACE analog output
DACF
8 O DACF analog output
DACG
9 O DACG analog output
DACH
10 O DACH analog output
DATA
4 I Serial-interface digital data input
GND
3 I Ground return and reference terminal
LDAC
13 I DAC-update latch control
LOAD
12 I Serial-interface load control
REF1
14 I Reference voltage input to DACA
REF2
11 I Reference voltage input to DACB
VDD
6 I Positive supply voltage
DACA
DACD
DACE
DACH
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number TLV5628C
Description Octal 8-Bit Digital-to-Analog Converter
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