AD5755-1x AD [Analog Devices], AD5755-1x Datasheet - Page 8

• Manufacturer Part Number: AD5755-1x
• Description: Quad Channel, 16-Bit, Serial Input, 4-20mA & Voltage Output DAC, Dynamic Power Control, HART Connectivity
• Manufacturer: AD [Analog Devices]

AD5755-1
TIMING CHARACTERISTICS
AVDD = 15V, AVSS = -15V/0V, V
GNDSW
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
Guaranteed by design and characterization; not production tested.
All input signals are specified with t
See Figure 2 , Figure 3 , Figure 4 and Figure 5
A,B,C,D
1, 2, 3
= 0 V, REFIN= +5, V
Limit at T
33
13
13
13
13
198
5
5
20
5
10
500
See AC Performance
Characteristics
10
TBD
25
20
5
500
700
20
5
R
= t
F
= 5 ns (10% to 90% of DVDD) and timed from a voltage level of 1.2 V.
BOOSTA,B,C,D
OUT
: R
MIN
L
, T
= 1kΩ, C
MAX
= +10.8 V to +33 V, DVDD = AVCC = 2.7 V to 5.5 V, DCDC disabled, AGND = DGND =
L
= 220pF, I
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
Rev. PrD | Page 8 of 34
OUT
: R
Description
SCLK cycle time
SCLK high time
SCLK low time
SYNC falling edge to SCLK falling edge setup time
24/32nd SCLK falling edge to SYNC rising edge
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 (C
SYNC rising edge to DAC output response time (LDAC = 0) (all DACs
updated)
SYNC rising edge to DAC output response time (LDAC = 0) (single
DAC updated)
LDAC falling edge to SYNC rising edge
RESET pulsewidth
SYNC high to next SYNC low (Ramp enabled)
L
SYNC high to next SYNC low (Ramp disabled)
= 300Ω, all specifications T
Preliminary Technical Data
MIN
L SDO
to T
= 35 pF)
MAX
unless otherwise noted.