AD5644R Analog Devices, AD5644R Datasheet - Page 6

• Manufacturer Part Number: AD5644R
• Manufacturer: Analog Devices

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

AD5624R/AD5644R/AD5664R
AC CHARACTERISTICS
V
Table 4.
Parameter
Output Voltage Settling Time
Slew Rate
Digital-to-Analog Glitch Impulse
Digital Feedthrough
Reference Feedthrough
Digital Crosstalk
Analog Crosstalk
DAC-to-DAC Crosstalk
Multiplying Bandwidth
Total Harmonic Distortion
Output Noise Spectral Density
Output Noise
1
2
3
Guaranteed by design and characterization, not production tested.
See the Terminology section.
Temperature range is −40°C to +105°C, typical at 25°C.
DD
AD5624R
AD5644R
AD5664R
= 2.7 V to 5.5 V; R
2
L
= 2 kΩ to GND; C
Min
L
= 200 pF to GND; V
Typ
3
3.5
4
1.8
10
0.1
−90
0.1
1
4
1
4
340
−80
120
100
15
Rev. B | Page 6 of 28
Max
4.5
5
7
REFIN
= V
Unit
μs
μs
μs
V/μs
nV-s
dB
nV-s
nV-s
nV-s
nV-s
nV-s
kHz
dB
nV/√Hz
nV/√Hz
μV p-p
DD
nV-s
; all specifications T
Conditions/Comments
¼ to ¾ scale settling to ±0.5 LSB
¼ to ¾ scale settling to ±0.5 LSB
¼ to ¾ scale settling to ±2 LSB
1 LSB change around major carry
V
External reference
Internal reference
External reference
Internal reference
V
V
DAC code = midscale, 1 kHz
DAC code = midscale, 10 kHz
0.1 Hz to 10 Hz
REF
REF
REF
= 2 V ± 0.1 V p-p, frequency 10 Hz to 20 MHz
= 2 V ± 0.1 V p-p
= 2 V ± 0.1 V p-p, frequency = 10 kHz
MIN
to T
MAX
, unless otherwise noted.
3
1