Datasheet

AD5025/AD5045/AD5065
Rev. 0 | Page 4 of 28
Parameter
B Grade
1
A Grade
1, 2
Unit Conditions/Comments
Min Typ Max Min Typ Max
LOGIC INPUTS
Input Current
5
±1 ±1 µA
Input Low Voltage, V
INL
0.8 0.8 V
Input High Voltage, V
INH
2.2 2.2 V
Pin Capacitance
4
4 4 pF
LOGIC OUTPUTS (SDO)
3, 4
Output Low Voltage, V
OL
0.4 0.4 V I
SINK
= 2 mA
Output High Voltage, V
OH
V
DD
− 1 V
DD
− 1 I
SOURCE
= 2 mA
High Impedance Leakage
Current
4
±0.002 ±1 ±0.002 ±1 A
High Impedance Output
Capacitance
7 7 pF
POWER REQUIREMENTS
V
DD
4.5 5.5 4.5 5.5 V
I
DD
6
DAC active, excludes load current
Normal Mode 2.2 2.7 2.2 2.7 mA V
IH
= V
DD
and V
IL
= GND
All Power-Down Modes
7
0.4 2 0.4 2 µA T
A
= −40°C to +105°C
30 30 µA T
A
= −40°C to +125°C
1
Temperature range is −40°C to +125°C, typical at 25°C.
2
A grade offered in AD5065 only.
3
Linearity calculated using a reduced code range—AD5065: Code 512 to Code 65,024; AD5045: Code 128 to Code 16,256; AD5025: Code 32 to Code 4064. Output
unloaded.
4
Guaranteed by design and characterization; not production tested.
5
Current flowing into or out of individual digital pins.
6
Interface inactive. All DACs active. DAC outputs unloaded.
7
Both DACs powered down.
AC CHARACTERISTICS
V
DD
= 4.5 V to 5.5 V, R
L
= 5 kΩ to GND, C
L
= 200 pF to GND, 2.5 V ≤ V
REFIN
≤ V
DD
. All specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 3.
Parameter
1
Min Typ Max Unit Conditions/Comments
2
Output Voltage Settling Time 5.8 8 µs
¼ to ¾ scale settling to ±1 LSB, R
L
= 5 kΩ single-channel update
including DAC calibration sequence
Output Voltage Settling Time 10.7 13 µs
¼ to ¾ scale settling to ±1 LSB, R
L
= 5 kΩ all channel update including
DAC calibration sequence
Slew Rate 1.5 V/µs
Digital-to-Analog Glitch Impulse
3
4 nV-sec 1 LSB change around major carry
Reference Feedthrough
3
−90 dB V
REF
= 3 V ± 0.86 V p-p, frequency = 100 Hz to 100 kHz
SDO Feedthrough 0.07 nV-sec Daisy-chain mode; SDO load is 10 pF
Digital Feedthrough
3
0.1 nV-sec
Digital Crosstalk
3
1.9 nV-sec
Analog Crosstalk
3
1.2 nV-sec
DAC-to-DAC Crosstalk
3
2.1 nV-sec
Multiplying Bandwidth
3
340 kHz V
REF
= 3 V ± 0.86 V p-p
Total Harmonic Distortion
3
−80 dB V
REF
= 3 V ± 0.86 V p-p, frequency = 10 kHz
Output Noise Spectral Density 64 nV/√Hz DAC code = 0x8400, 1 kHz
60 nV/√Hz DAC code = 0x8400, 10 kHz
Output Noise 6 V p-p 0.1 Hz to 10 Hz
1
Guaranteed by design and characterization; not production tested.
2
Temperature range is −40°C to + 125°C, typical at 25°C.
3
See the Terminology section.