AD5735 Analog Devices, AD5735 Datasheet - Page 8

• Manufacturer Part Number: AD5735
• Description: Quad Channel, 12-Bit, Serial Input, 4-20 mA & Voltage Output DAC with Dynamic Power Control
• Manufacturer: Analog Devices

Specifications of AD5735

• Resolution (bits): 12bit
• Dac Settling Time: 11µs
• Max Pos Supply (v): +33V
• Single-supply: No
• Dac Type: I or V Out
• Dac Input Format: SPI

AD5735
TIMING CHARACTERISTICS
AV
GNDSW
unless otherwise noted.
Table 3.
Parameter
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Guaranteed by design and characterization; not production tested.
All input signals are specified with t
See Figure 3, Figure 4, Figure 5, and Figure 6.
This specification applies if LDAC is held low during the write cycle; otherwise, see t
4
DD
= V
x
BOOST_x
= 0 V; REFIN = 5 V; voltage outputs: R
1, 2, 3
= 15 V; AV
Limit at T
33
13
13
13
13
198
5
5
20
5
10
500
See Table 2
10
5
40
21
5
500
800
20
5
SS
= −15 V; DV
RISE
MIN
= t
, T
FALL
MAX
= 5 ns (10% to 90% of DV
DD
Unit
ns min
ns min
ns min
ns min
ns min
ns min
ns min
ns min
μs min
μs min
ns min
ns max
μs max
ns min
μs max
ns max
μs min
μs min
ns min
ns min
μs min
μs min
= 2.7 V to 5.5 V; AV
L
= 1 kΩ, C
Description
SCLK cycle time
SCLK high time
SCLK low time
SYNC falling edge to SCLK falling edge setup time
24th/32nd SCLK falling edge to SYNC rising edge (see
SYNC high time
Data setup time
Data hold time
SYNC rising edge to LDAC falling edge (all DACs updated or any channel has
digital slew rate control enabled)
SYNC rising edge to LDAC falling edge (single DAC updated)
LDAC pulse width low
LDAC falling edge to DAC output response time
DAC output settling time
CLEAR high time
CLEAR activation time
SCLK rising edge to SDO valid
SYNC rising edge to DAC output response time (LDAC = 0)
All DACs updated
Single DAC updated
LDAC falling edge to SYNC rising edge
RESET pulse width
SYNC high to next SYNC low (digital slew rate control enabled)
All DACs updated
Single DAC updated
DD
) and timed from a voltage level of 1.2 V.
L
Rev. A | Page 8 of 48
= 220 pF; current outputs: R
CC
= 4.5 V to 5.5 V; dc-to-dc converter disabled; AGND = DGND =
9
.
L
= 300 Ω; all specifications T
Figure 76
)
MIN
Data Sheet
to T
MAX
,