TLC5618 Datasheet, PDF (3/26 Pages) Texas Instruments – PROGRAMMABLE DUAL 12-BIT DIGITAL-TO-ANALOG CONVERTERS

TLC5618, TLC5618A
PROGRAMMABLE DUAL 12-BIT DIGITAL-TO-ANALOG CONVERTERS
functional block diagram
SLAS156E – JULY 1997 – REVISED SEPTEMBER 1999
6
REFIN
5
AGND
_
DAC A
+
DAC
R
Power-Up
Reset
+
_
×2
R
4 _{OUT A}
(Voltage Output)
CS ³
SCLK ²
1
DIN
Control
Logic
Double
Buffer
Latch
12-Bit DAC Register Latch A
(LSB)
(MSB)
4
12 Data Bits
Program
Bits
16-Bit Shift Register
12-Bit DAC Register Latch B
_
+
DAC
+
DAC B
_
×2
R
R
Terminal Functions
TERMINAL
NAME
NO.
AGND
5
CS
3
DIN
1
OUT A
4
OUT B
7
REFIN
6
SCLK
2
VDD
8
I/O
DESCRIPTION
Analog ground
I Chip select, active low
I Serial data input
O DAC A analog output
O DAC B analog output
I Reference voltage input
I Serial clock input
Positive power supply
7 _{OUT B}
(Voltage Output)
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