AD5391 Analog Devices, AD5391 Datasheet - Page 12

• Manufacturer Part Number: AD5391
• Description: 16-Channel 12-Bit 3V/5V Single-Supply Voltage-Output DAC
• Manufacturer: Analog Devices

Specifications of AD5391

• Resolution (bits): 12bit
• Dac Update Rate: 167kSPS
• Dac Settling Time: 6µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: I2C/Ser 2-wire,Ser,SPI

AD5390/AD5391/AD5392
I
DV
Table 7. I
Parameter
F
t
t
t
t
t
t
t
t
t
t
t
C
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
2
See Figure 6.
Guaranteed by design and characterization, not production tested.
A master device must provide a hold time of at least 300 ns for the SDA signal (referred to the V
C
SCL
B
3
C SERIAL INTERFACE
B
4
is the total capacitance of one bus line in pF; t
DD
= 2.7 V to 5.5 V; AV
2
C Serial Interface
2
SDA
SCL
Limit at T
400
2.5
0.6
1.3
0.6
100
0.9
0
0.6
0.6
1.3
300
0
300
0
300
20 + 0.1 C
400
DD
= 2.7 V to 5.5 V; AGND = DGND = 0 V. All specifications T
1
t
9
MIN
B
CONDITION
, T
START
MAX
t
4
R
and t
t
3
F
measured between 0.3 DV
pF max
Unit
kHz max
μs min
μs min
μs min
μs min
ns min
μs max
μs min
μs min
μs min
μs min
ns max
ns min
ns max
ns min
ns max
ns min
t
10
t
6
Figure 6. I
t
11
Rev. C | Page 12 of 40
2
Description
SCL clock frequency
SCL cycle time
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Capacitive load for each bus line
t
C Interface Timing Diagram
2
HIGH
LOW
HD
SU
HD
HD
SU
SU
BUF
F
R
F
F
F
F
, fall time of SDA when transmitting
, fall time of SDA when transmitting
, fall time of SDA when receiving (CMOS-compatible)
, fall time of SCL and SDA when receiving
, fall time of SCL and SDA when transmitting
, rise time of SCL and SDA when receiving (CMOS-compatible)
,
,
,
,
,
,
, bus free time between a stop and a start condition
DAT
STA
STO
, SCL low time
STA
DAT
DAT
, SCL high time
, start/repeated start condition hold time
, data setup time
setup time for repeated start
stop condition setup time
data hold time
data hold time
DD
and 0.7 DV
t
5
IH
MIN of the SCL signal) to bridge the undefined region of SCL’s falling edge.
DD
t
7
CONDITION
REPEATED
.
START
t
4
MIN
to T
t
1
MAX
, unless otherwise noted.
CONDITION
STOP
t
8