LTC2634IUD-HMX12#PBF Linear Technology, LTC2634IUD-HMX12#PBF Datasheet - Page 25

• Manufacturer Part Number: LTC2634IUD-HMX12#PBF
• Description: IC DAC 12BIT QUAD SPI 16-QFN
• Manufacturer: Linear Technology

Specifications of LTC2634IUD-HMX12#PBF

• Settling Time: 4.2µs
• Number Of Bits: 12
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 4
• Voltage Supply Source: Single Supply
• Power Dissipation (max): 1.8mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-WQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

operation
NEGATIVE
OFFSET
VOLTAGE
OUTPUT
0V
CS/LD
SCK
SDI
4
5
6
CS/LD
SCK
SDI
INPUT CODE
Figure 4. Effects of Rail-to-Rail Operation on a DAC Transfer Curve (Shown in 12 Bits)
(4b)
(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
LTC2634UD
SDO
7
Figure 5. Daisy-Chain Operation (QFN Only)
VOLTAGE
OUTPUT
0V
0
4
5
6
CS/LD
SCK
SDI
LTC2634UD
INPUT CODE
V
REF
2,048
(4a)
= V
CC
SDO
7
4,095
• • •
4
5
6
CS/LD
SCK
SDI
LTC2634UD
V
REF
INPUT CODE
= V
SDO
2634 F05
(4c)
CC
7
DATA OUTPUT
LTC2634

2634 F04
OUTPUT
VOLTAGE
POSITIVE
FSE
2634fc