X96011 Datasheet, PDF (14/23 Pages) Intersil Corporation – Temperature Sensor with Look Up Table Memory and DAC

Figure 5. D/A Converter Block Diagram
X96011
Vcc
Internal
Reference
Voltage
DAC
Input byte
IDS: bit
6 in Control
register 0.
Voltage
Divider
+
-
IFSO[1:0]
bits 1 and 0
in Control
register 5
Polarity
Select
Circuit
11
10 01
Iout Pin
Vss
Vss
Vss
Figure 6. Look-up Table (LUT) Operation
LUT Row
Selection bits
90h
6
A
D
D
8
E
8R
LUT
CFh
90h
DDA[7:0] : Control register 3
8
D1
8
D0 ^Out
Select
DAC
Input Byte
DDAS: Bit 5 of
Control register 5
14
FN8215.1
October 25, 2005