AD5644R Analog Devices, AD5644R Datasheet - Page 15
AD5644R
Manufacturer Part Number
AD5644R
Description
Manufacturer
Analog Devices
Datasheet
1.AD5624R.pdf
(28 pages)
Specifications of AD5644R
Resolution (bits)
14bit
Dac Update Rate
250kSPS
Dac Settling Time
3.5µs
Max Pos Supply (v)
+5.5V
Single-supply
Yes
Dac Type
Voltage Out
Dac Input Format
Ser,SPI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD5644RBRMZ-5
Manufacturer:
ADI/亚德诺
Quantity:
20 000
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
–1
–1
6
5
4
3
2
1
0
4
3
2
1
0
–30
–30
0
–40
Figure 34. AD56x4R-5 Source and Sink Capability
Figure 35. AD56x4R-3 Source and Sink Capability
T
V
V
T
V
V
T
A
DD
REFOUT
A
DD
REFOUT
A
= 25°C
= 25°C
= 25°C
Figure 36. Supply Current vs. Temperature
= 5V
= 3V
–20
–20
–20
= 2.5V
= 1.25V
0
–10
–10
TEMPERATURE (°C)
CURRENT (mA)
3/4 SCALE
MIDSCALE
1/4 SCALE
CURRENT (mA)
20
V
V
DD
DD
0
0
= V
= V
3/4 SCALE
MIDSCALE
1/4 SCALE
40
REFIN
REFIN
ZERO SCALE
FULL SCALE
10
10
FULL SCALE
ZERO SCALE
= 5V
= 3V
60
20
80
20
100
30
30
Rev. B | Page 15 of 28
1
1
2
1
3
2
CH1 5.0V
CH3 5.0V
CH1 2.0V
V
Figure 39. Exiting Power-Down to Midscale
V
DD
OUT
Figure 37. Full-Scale Settling Time, 5 V
V
AD5624R/AD5644R/AD5664R
CH2 500mV
CH2
OUT
Figure 38. Power-On Reset to 0 V
SCLK
SYNC
= 909mV/DIV
500mV
TIME BASE = 4µs/DIV
M400ns
V
V
T
FULL-SCALE CODE CHANGE
0x0000 TO 0xFFFF
OUTPUT LOADED WITH 2kΩ
AND 200pF TO GND
OUT
A
DD
M100µs 125MS/s
A CH1
= 25°C
= V
REF
V
T
A
DD
= 5V
1.28V
= 25°C
= V
A CH1
REF
V
MAX(C2)
420.0mV
DD
= 5V
8.0ns/pt
= 5V
1.4V