
AD5666
SPECIFICATIONS
V
DD
= 4.5 V to 5.5 V, R
L
= 2 kΩ to GND, C
L
= 200 pF to GND, V
REFIN
= V
DD
. All specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 1.
A Grade
1
Parameter
Min
Typ
Max
Min
STATIC PERFORMANCE
2
Resolution
16
16
Relative Accuracy
±32
Differential Nonlinearity
±1
Rev. A | Page 3 of 28
B Grade
1
Typ
Unit
Bits
LSB
LSB
Conditions/Comments
See Figure 6
Guaranteed monotonic by design
(see Figure 7)
All 0s loaded to DAC register (see Figure 13)
All 1s loaded to DAC register (see Figure 12)
Of FSR/°C
V
DD
± 10%
Max
±16
±1
Zero-Code Error
Zero-Code Error Drift
Full-Scale Error
Gain Error
Gain Temperature Coefficient
Offset Error
DC Power Supply Rejection
Ratio
DC Crosstalk
(External Reference)
DC Crosstalk
(Internal Reference)
OUTPUT CHARACTERISTICS
3
Output Voltage Range
Capacitive Load Stability
DC Output Impedance
Short-Circuit Current
Power-Up Time
REFERENCE INPUTS
Reference Input Voltage
Reference Current
Reference Input Range
Reference Input Impedance
REFERENCE OUTPUT
Output Voltage
Reference TC
3
Reference Output
Impedance
LOGIC INPUTS
3
Input Current
Input Low Voltage, V
INL
Input High Voltage, V
INH
Pin Capacitance
1
±2
0.2
±2.5
±1
–80
9
1
±1
±9
1
±2
0.2
±2.5
±1
–80
9
1
±1
±9
mV
μV/°C
% FSR
% FSR
ppm
mV
dB
10
10
μV
Due to full-scale output change,
R
L
= 2 kΩ to GND or V
DD
Due to load current change
Due to powering down (per channel)
Due to full-scale output change,
R
L
= 2 kΩ to GND or V
DD
Due to load current change
R
L
= ∞
R
L
= 2 kΩ
V
DD
= 5 V
Coming out of power-down mode V
DD
= 5 V
V
REF
= V
DD
= 5.5 V
Per DAC channel
At ambient
5
10
25
5
10
25
μV/mA
μV
μV
0
0
2.495
10
2
10
0.5
30
4
V
DD
20
14.6
±5
7.5
V
DD
30
V
DD
2.505
±10
0
0
2.495
10
2
10
0.5
30
4
V
DD
20
14.6
±5
7.5
V
DD
30
V
DD
2.505
±10
μV/mA
V
nF
nF
Ω
mA
μs
V
μA
V
kΩ
V
ppm/°C
kΩ
2
3
±3
0.8
2
3
±3
0.8
μA
V
V
pF
All digital inputs
V
DD
= 5 V
V
DD
= 5 V