Datasheet

LTC1669
8
1669fa
TIMING DIAGRAM
Typical LTC1669 Input Waveform—Programming DAC Output for Full Scale (AD2 to AD0 Set High)
ACK ACK
123
ADDRESS
456789123456789123456789123456789
FULL-SCALE VOLTAGE ZERO-SCALE VOLTAGE
1669 TA02
01001110
0 1 0 0 AD2 AD1 AD0 WR
XXXXX000
XXXXXBGSDSY
11111111
D7 D6 D5 D4 D3 D2 D1 D0
XXXXXX11
XXXXXXD9D8
ACK
STOPSTART
SDA
SCL
V
OUT
NOTE: X = DON’T CARE
ACK
COMMAND LS DATA MS DATA
t
SU, DAT
t
HD, STA
t
HD, DAT
SDA
SCL
t
SU, STA
t
HD, STA
t
SU, STO
1669 TD
t
BUF
t
LOW
t
HIGH
START
CONDITION
REPEATED START
CONDITION
STOP
CONDITION
START
CONDITION
t
r
t
f