Linear Technology LTC2634-LMI12: 12-Bit Quad Vout DAC, (zusätzlich erforderlich DC590) DC1488A-B DC1488A-B 데이터 시트
제품 코드
DC1488A-B
LTC2634
2634fc
operation
2634 F04
INPUT CODE
(4b)
(4a)
(4c)
OUTPUT
VOLTAGE
NEGATIVE
OFFSET
0V
2,048
0
0V
4,095
INPUT CODE
OUTPUT
VOLTAGE
V
REF
= V
CC
V
REF
= V
CC
INPUT CODE
OUTPUT
VOLTAGE
POSITIVE
FSE
Figure 4. Effects of Rail-to-Rail Operation on a DAC Transfer Curve (Shown in 12 Bits)
(4a) Overall Transfer Function
(4b) Effect of Negative Offset for Codes Near Zero
(4c) Effect of Postitive Full-Scale Error for Codes Near Full-Scale
SDI
SDO
LTC2634UD
SCK
5
6
6
7
6
7
6
7
DATA OUTPUT
4
CS/LD
SDI
SDO
SCK
5
4
CS/LD
SDI
SDO
2634 F05
SCK
5
4
CS/LD
CS/LD
SCK
SDI
LTC2634UD
LTC2634UD
• • •
Figure 5. Daisy-Chain Operation (QFN Only)