Linear Technology LTC2654-L16 Quad SPI 16-bit Voltage Output DAC with 1.25V Reference, req DC590 DC1678A-A DC1678A-A Data Sheet
Product codes
DC1678A-A
LTC2654
15
2654f
BLOCK DIAGRAM
TIMING DIAGRAMS
Figure 1a
Figure 1b
SDI
SDO
CS/LD
SCK
2654 F01a
t
2
t
10
t
5
t
7
t
6
t
1
LDAC
t
3
t
4
1
2
3
23
24
t
13
t
12
t
8
CS/LD
2654 F01b
t
13
LDAC
2636 BD
GND
V
OUTA
V
OUTB
SCK
CS/LD
LDAC
REFLO
REFIN/OUT
REFCOMP
V
CC
V
OUTD
V
OUTC
PORSEL
SDO
SDI
CLR
INTERNAL REFERENCE
DAC A
CONTROL LOGIC
DECODE
POWER-ON
RESET
DAC B
DAC D
DAC C
REGISTER
32-BIT SHIFT REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER