Datasheet

AD5025/AD5045/AD5065
Rev. 0 | Page 3 of 28
SPECIFICATIONS
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
, unless otherwise specified. All specifications T
MIN
to
T
MAX
, unless otherwise noted.
Table 2.
Parameter
B Grade
1
A Grade
1, 2
Unit Conditions/Comments
Min Typ Max Min Typ Max
STATIC PERFORMANCE
3
Resolution
AD5065 16 16 Bits
AD5045 14
AD5025 12
Relative Accuracy
AD5065 ±0.4 ±1 ±0.5 ±4 LSB T
A
= −40°C to +105°C
AD5065 +0.4 ±2 ±0.5 ±4 T
A
= −40°C to +125°C
AD5045 ±0.1 ±0.5 LSB T
A
= −40°C to +105°C
AD5045 ±0.1 ±1 T
A
= −40°C to +125°C
AD5025 ±0.05 ±0.25 LSB T
A
= −40°C to +105°C
AD5025 ±0.05 ±0.5 T
A
= −40°C to +125°C
Differential Nonlinearity ±0.2 ±1 ±0.2 ±1 LSB
Total Unadjusted Error ±0.2 ±2.5 ±0.2 ±2.5 mV V
REF
= 2.5 V; V
DD
= 5.5 V
Offset Error ±0.2 ±1.8 ±0.2 ±1.8 mV Code 512 (AD5065), Code 128 (AD5045),
Code 32 (AD5025) loaded to DAC register
Offset Error Drift
4
±2 ±2 µV/°C
Full-Scale Error ±0.01 ±0.07 ±0.01 ±0.07 % FSR
All 1s loaded to DAC register, V
REF
< V
DD
Gain Error ±0.005 ±0.05 ±0.005 ±0.05 % FSR
Gain Temperature Coefficient
4
±1 ±1 ppm Of FSR/°C
DC Crosstalk
4
40 40 µV Due to single channel full-scale output
change, R
L
= 5 kΩ to GND or V
DD
40 40 µV/mA Due to load current change
40 40 µV Due to powering down (per channel)
OUTPUT CHARACTERISTICS
4
Output Voltage Range 0 V
DD
0 V
DD
V
Capacitive Load Stability 1 1 nF R
L
= 5 kΩ, R
L
= 100 kΩ, and R
L
= ∞
DC Output Impedance
Normal Mode 0.5 0.5 Ω
Power-Down Mode
Output Connected to
100 kΩ Network
100 100 kΩ Output impedance tolerance ± 400 Ω
Output Connected to
1 kΩ Network
1 1 kΩ Output impedance tolerance ± 20 Ω
Short-Circuit Current 60 60 mA DAC = full scale, output shorted to GND
45 45 mA DAC = zero-scale, output shorted to V
DD
Power-Up Time 4.5 4.5 µs Time to exit power-down mode to
normal mode of AD5024/AD5044/
AD5064, 32
nd
clock edge to 90% of DAC
midscale value, output unloaded
DC PSRR −92 −92 dB V
DD
± 10%, DAC = full scale, V
REF
<V
DD
REFERENCE INPUTS
Reference Input Range 2.2 V
DD
2.2 V
DD
V
Reference Current 35 50 35 50 µA Per DAC channel
Reference Input Impedance 120 120 kΩ