AD5441 Analog Devices, AD5441 Datasheet - Page 4

• Manufacturer Part Number: AD5441
• Description: 12-Bit Serial Input Multiplying DAC
• Manufacturer: Analog Devices

Specifications of AD5441

• Resolution (bits): 12bit
• Dac Update Rate: 5MSPS
• Dac Settling Time: 500ns
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Ser

AD5441
TIMING CHARACTERISTICS
All input control signals are specified with t
to 5.5 V, V
Table 2. Timing Characteristics
Parameter
t
t
t
t
t
t
t
Timing Diagrams
Table 3. Control Logic Truth Table
CLK
H or L
L
1
↑
↑
DS
DH
CH
CL
LD
LD1
ASB
↑
1
equals positive logic transition.
LD
H
L
L
↑
REF
1
= 10 V; temperature range = −40°C to +125°C; all specifications T
2.5 V
10
5
15
15
20
0
0
V
OUT
CLK
CLK
SRI
SRI
LD
LD
FS
ZS
t
LD1
5.5 V
5
5
10
10
10
0
0
D11
DATA LOADED MSB(D11) FIRST
D10
Serial Shift Register Function
Shift register data advanced one bit
Shift register data advanced one bit
No effect
No effect
R
= t
D9
t
F
CL
= 2 ns (10% to 90% of V
t
DS
Unit
ns min
ns min
ns min
ns min
ns min
ns min
ns min
D8
Dxx
Figure 2. Full Data Transmission
t
Figure 3. Bit Data Transmission
DH
D7
Figure 4. Output Transition
t
CH
Rev. A | Page 4 of 16
D6
Conditions/Comments
Data setup
Data hold
Clock width high
Clock width low
Load pulse width
LD DAC high to MSB CLK high
LSB CLK to LD DAC
D5
DD
D4
t
) and timed from a voltage level of (V
LD
MIN
D3
to T
DAC REGISTER LOAD
D2
MAX
DAC Register Function
Latched
Transparent
Updated with current shift register contents
Latched all 12 bits
ERROR BAND
, unless otherwise noted.
D1
±1LSB
D0
t
ASB
IL
+ V
IH
)/2; V
DD
+ 2.5 V