AD5381BST-3 Analog Devices Inc, AD5381BST-3 Datasheet - Page 10

• Manufacturer Part Number: AD5381BST-3
• Description: IC DAC 12BIT 40CH 3V 100-LQFP
• Manufacturer: Analog Devices Inc

Specifications of AD5381BST-3

• Design Resources: 40 Channels of Programmable Voltage with Excellent Temperature Drift Performance Using AD5381 (CN0010) AD5381 Channel Monitor Function (CN0013)
• Settling Time: 6µs
• Number Of Bits: 12
• Data Interface: Serial, Parallel
• Number Of Converters: 40
• Voltage Supply Source: Single Supply
• Power Dissipation (max): 80mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• For Use With: EVAL-AD5381EB - BOARD EVAL FOR AD5381
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD5381
I
DVDD = 2.7 V to 5.5 V; AVDD = 4.5 V to 5.5 V or 2.7 V to 3.6 V; AGND = DGND = 0 V; all specifications T
unless otherwise noted.
Table 7.
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
Guaranteed by design and characterization, not production tested.
See Figure 6.
A master device must provide a hold time of at least 300 ns for the SDA signal (referred to the V
SCL’s falling edge.
C
SCL
b
3
SDA
C SERIAL INTERFACE TIMING
SCL
b
is the total capacitance, in pF, of one bus line. t
1, 2
t
9
CONDITION
START
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
t
4
t
b
MIN
3
4
, T
MAX
t
10
R
and t
t
6
Figure 6. I
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
pF max
F
are measured between 0.3 DVDD and 0.7 DVDD.
2
C-Compatible Serial Interface Timing Diagram
t
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
Rev. B | Page 10 of 40
HIGH
LOW
HD,STA
SU,DAT
HD,DAT
HD,DAT
SU,STA
SU,STO
BUF
R
R
F
F
F
F
, rise time of SCL and SDA when receiving
, rise time of SCL and SDA when receiving (CMOS compatible)
, 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
, bus free time between a STOP and a START condition
, SCL low time
, SCL high time
t
, setup time for repeated start
, stop condition setup time
, start/repeated start condition hold time
, data setup time
11
, data hold time
, data hold time
t
5
IH
min of the SCL signal) in order to bridge the undefined region of
CONDITION
REPEATED
START
t
7
t
4
t
1
MIN
to T
MAX
,
CONDITION
STOP
t
8