ltc2640-lz8 Linear Technology Corporation, ltc2640-lz8 Datasheet - Page 22

• Manufacturer Part Number: ltc2640-lz8
• Description: Single 12-/10-/8-bit Spi Vout Dacs With Bidirectional Reference
• Manufacturer: Linear Technology Corporation

LTC2640
OPERATION
22
NEGATIVE
OFFSET
VOLTAGE
OUTPUT
0V
Figure 4. Effects of Rail-to-Rail Operation on a DAC Transfer Curve (Shown for 12 Bits)
INPUT CODE
(b)
(a) Overall Transfer Function
(b) Effect of Negative Offset for Codes Near Zero
(c) Effect of Positive Full-Scale Error for Codes Near Full Scale
VOLTAGE
OUTPUT
0V
0
INPUT CODE
V
REF
2,048
(a)
= V
CC
4,095
V
REF
INPUT CODE
= V
CC
(c)
2640 F04
OUTPUT
VOLTAGE
POSITIVE
FSE
2640fa