LT1634 LINER [Linear Technology], LT1634 Datasheet - Page 10

• Manufacturer Part Number: LT1634
• Description: Micropower Precision Shunt Voltage Reference
• Manufacturer: LINER [Linear Technology]

APPLICATIONS
LT1634
The reverse characteristics of the LT1634 behave like a
resistor in parallel with a Zener diode. This simple, well
behaved characteristic is important to the proper opera-
tion of circuits like Figure 1. The adjustable output voltage
TYPICAL APPLICATIONS
10
U
INFORMATION
U
5V
18k
LT1634-4.096
7.5V TO 12V
U
R
W
B
=
The LT1634-5 Generates the LTC1448 Dual 12-Bit
3.48k
V
LT1634-5
Figure 1. Adjustable Output Voltage Reference
OUT
10 A
Reference for Micropower A/D Converter
– 1.25V
DAC’s Reference and Supply Voltage
0.1 F
INTERFACE
U
0.1 F
SERIAL
V
LT1634-1.25
IN
C/ P
1
2
3
4
V
+ IN
– IN
GND
1
2
3
4
REF
LTC1286
CLK
D
CS/LD
REF
CS/SHDN
IN
–
+
reference depends upon positive feedback from the
LT1495’s output to start-up and regulate the bias current
for the LT1634.
LTC1448
LT1495
V
D
IN
CLK
V
OUT
CC
V
V
10.5V
OUTB
OUTA
GND
V
8
7
6
5
CC
1634 F01
8
7
6
5
SERIAL
INTERFACE
C/ P
R2
250k
R1
50k TO 1.75M
V
1.5V TO 10V
OUT
0.1 F
1634 TA04
V
V
OUTB
OUTA
0.1 F
1634 TA03
5V