Datasheet
AD5302/AD5312/AD5322
Rev. D | Page 3 of 24
SPECIFICATIONS
V
DD
= 2.5 V to 5.5 V, V
REF
= 2 V, R
L
= 2 kΩ to GND, C
L
= 200 pF to GND, all specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 1.
A Version
1
B Version
1
Parameter
2
Min Typ Max Min Typ Max Unit Test Conditions/Comments
DC PERFORMANCE
3, 4
AD5302
Resolution 8 8 Bits
Relative Accuracy ±0.15 ±1 ±0.15 ±0.5 LSB
Differential Nonlinearity ±0.02 ±0.25 ±0.02 ±0.25 LSB Guaranteed monotonic by design over all codes
AD5312
Resolution 10 10 Bits
Relative Accuracy ±0.5 ±4 ±0.5 ±2 LSB
Differential Nonlinearity ±0.05 ±0.5 ±0.05 ±0.5 LSB Guaranteed monotonic by design over all codes
AD5322
Resolution 12 12 Bits
Relative Accuracy ±2 ±16 ±2 ±8 LSB
Differential Nonlinearity ±0.2 ±1 ±0.2 ±1 LSB Guaranteed monotonic by design over all codes
Offset Error ±0.4 ±3 ±0.4 ±3 % of FSR
See
Figure 3 and Figure 4
Gain Error ±0.15 ±1 ±0.15 ±1 % of FSR
See
Figure 3 and Figure 4
Lower Deadband 10 60 10 60 mV
See
Figure 3 and Figure 4
Offset Error Drift
5
−12 −12 ppm of
FSR/°C
Gain Error Drift
5
−5 −5 ppm of
FSR/°C
Power Supply Rejection
Ratio
5
−60 −60 dB V
DD
= ±10%
DC Crosstalk
5
30 30 µV
DAC REFERENCE INPUTS
5
V
REF
Input Range 1 V
DD
1 V
DD
V Buffered reference mode
0 V
DD
0 V
DD
V Unbuffered reference mode
V
REF
Input Impedance >10 >10 MΩ Buffered reference mode
180 180 kΩ Unbuffered reference mode, input impedance = R
DAC
Reference Feedthrough −90 −90 dB Frequency = 10 kHz
Channel-to-Channel
Isolation
−80 −80 dB Frequency = 10 kHz
OUTPUT CHARACTERISTICS
5
Minimum Output Voltage
6
0.001 0.001 V min A measure of the minimum drive capability of
the output amplifier
Maximum Output Voltage
6
V
DD
−
0.001
V
DD
−
0.001
V max A measure of the maximum drive capability of
the output amplifier
DC Output Impedance 0.5 0.5 Ω
Short-Circuit Current 50 50 mA V
DD
= 5 V
20 20 mA V
DD
= 3 V
Power-Up Time 2.5 2.5 µs Coming out of power-down mode, V
DD
= 5 V
5 5 µs Coming out of power-down mode, V
DD
= 3 V
LOGIC INPUTS
5
Input Current ±1 ±1 µA
V
IL
, Input Low Voltage 0.8 0.8 V V
DD
= 5 V ± 10%
0.6 0.6 V V
DD
= 3 V ± 10%
0.5 0.5 V V
DD
= 2.5 V
V
IH
, Input High Voltage 2.4 2.4 V V
DD
= 5 V ± 10%
2.1 2.1 V V
DD
= 3 V ± 10%
2.0 2.0 V V
DD
= 2.5 V
Pin Capacitance 2 3.5 2 3.5 pF