TLV5638 Datasheet, PDF (2/19 Pages) Texas Instruments – 2.7 V TO 5.5 V LOW POWER DUAL 12-BIT DIGITAL-TO-ANALOG CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN

TLV5638
2.7 V TO 5.5 V LOW POWER DUAL 12-BIT DIGITAL-TO-ANALOG
CONVERTER WITH INTERNAL REFERENCE AND POWER DOWN
SLAS225A – JUNE 1999 – REVISED JANUARY 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
SCLK
CS
12
12-Bit
12
DAC A
Serial
Interface
12
Latch
and
Control
Buffer
12
12
12-Bit
DAC B
Latch
x2
OUTA
OUTB
TERMINAL
NAME
NO.
AGND
5
CS
3
DIN
1
OUT A
4
OUT B
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/O Analog reference voltage input/output
I Digital serial clock input
P Positive power supply
2
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