LTC1669 LINER [Linear Technology], LTC1669 Datasheet - Page 10

• Manufacturer Part Number: LTC1669
• Description: 10-Bit Rail-to-Rail Micropower DAC with I2C Interface
• Manufacturer: LINER [Linear Technology]

LTC1669
10
APPLICATIONS
NEGATIVE
OFFSET
VOLTAGE
OUTPUT
Figure 1. Effects of Rail-to-Rail Operation On a DAC Transfer Curve. (a) Overall Transfer Function (b) Effect of Negative
Offset for Codes Near Zero Scale (c) Effect of Positive Full-Scale Error for Input Codes Near Full Scale When V
0V
U
3.9V TO 20V
INPUT CODE
INFORMATION
U
(b)
LTC1669 PIN NUMBERS IN PARENTHESES
REFER TO MSOP PACKAGE
W
VOLTAGE
Figure 2. LT1460 As Power Supply for the LTC1669
OUTPUT
0.1 F
1
0
IN
LT1460S3-3
U
GND
3
OUT
TO
INPUT CODE
P
V
REF
2
512
+
(a)
5 (4)
1 (1)
= V
CC
0.01 F
SCL
SDA
LTC1669
3V
GND
V
CC
4 (5)
2 (7)
1023
OUT
3 (8)
0V V
V
REF
INPUT CODE
OUT
= V
1669 F02
(c)
CC
3V
REF
= V
CC
OUTPUT
VOLTAGE
POSITIVE
FSE
1669 F01
1669f