AD5666 Analog Devices, AD5666 Datasheet - Page 8

• Manufacturer Part Number: AD5666
• Manufacturer: Analog Devices

Specifications of AD5666

• Resolution (bits): 16bit
• Dac Update Rate: 95kSPS
• Dac Settling Time: 6µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Ser,SPI

AD5666
TIMING CHARACTERISTICS
All input signals are specified with tr = tf = 1 ns/V (10% to 90% of V
Figure 5. V
Table 4.
Parameter
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
1
2
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Maximum SCLK frequency is 50 MHz at V
Measured with the load circuit of Figure 16. t
Daisy-chain mode only.
1
3
3
3
2, 3
DD
= 2.7 V to 5.5 V. All specifications T
Limit at T
V
20
8
8
13
4
4
0
15
13
0
10
15
5
0
300
22
5
8
0
DD
= 2.7 V to 5.5 V
MIN
DD
, T
= 2.7 V to 5.5 V. Guaranteed by design and characterization; not production tested.
16
MAX
determines the maximum SCLK frequency in daisy-chain mode.
Figure 2. Load Circuit for Digital Output (SDO) Timing Specifications
TO OUTPUT
MIN
to T
PIN
MAX
50pF
Unit
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns typ
ns max
ns min
ns min
ns min
C
, unless otherwise noted.
Rev. D | Page 8 of 28
L
2mA
2mA
DD
) and timed from a voltage level of (V
I
I
OL
OH
Conditions/Comments
SCLK cycle time
SCLK high time
SCLK low time
SYNC to SCLK falling edge set-up time
Data set-up time
Data hold time
SCLK falling edge to SYNC rising edge
Minimum SYNC high time
SYNC rising edge to SCLK fall ignore
SCLK falling edge to SYNC fall ignore
LDAC pulse width low
SCLK falling edge to LDAC rising edge
CLR pulse width low
SCLK falling edge to LDAC falling edge
CLR pulse activation time
SCLK rising edge to SDO valid
SCLK falling edge to SYNC rising edge
SYNC rising edge to SCLK rising edge
SYNC rising edge to LDAC falling edge
V
OH
(MIN)
IL
+ V
IH
)/2. See Figure 3 and