
AD5666
V
DD
= 2.7 V to 3.6 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 2.
A Grade
1
B Grade
1
Parameter
Min
Typ
Max
Min
Typ
STATIC PERFORMANCE
2
Resolution
16
16
Relative Accuracy
±32
Differential Nonlinearity
±1
Zero-Code Error
1
9
1
Zero-Code Error Drift
±2
±2
Full-Scale Error
0.2
1
0.2
Gain Error
±1
Gain Temperature
Coefficient
Offset Error
±1
±9
±1
DC Power Supply Rejection
Ratio
DC Crosstalk
(External Reference)
5
5
10
10
DC Crosstalk
(Internal Reference)
10
10
OUTPUT CHARACTERISTICS
3
Output Voltage Range
0
V
DD
0
Capacitive Load Stability
2
2
10
10
DC Output Impedance
0.5
0.5
Short-Circuit Current
30
30
Power-Up Time
4
4
REFERENCE INPUTS
Reference Input Voltage
V
DD
V
DD
Reference Current
40
50
40
Reference Input Range
0
V
DD
0
Reference Input Impedance
14.6
14.6
REFERENCE OUTPUT
Output Voltage
1.247
1.253
1.247
Reference TC
3
±5
±15
±5
Reference Output
Impedance
LOGIC INPUTS
3
Input Current
±3
Input Low Voltage, V
INL
0.8
Input High Voltage, V
INH
2
2
Pin Capacitance
3
3
LOGIC OUTPUTS (SDO)
3
Output Low Voltage, V
OL
0.4
Output High Voltage, V
OH
V
DD
0.5
0.5
High Impedance Leakage
Current
High Impedance Leakage
Current
Rev. A | Page 5 of 28
Unit
Bits
LSB
LSB
mV
μV/°C
% FSR
% FSR
ppm
Conditions/Comments
See Figure 5
Guaranteed monotonic by design (see Figure 6)
All 0s loaded to DAC register (see Figure 13)
All 1s loaded to DAC register (see Figure 12)
Of FSR/°C
Max
±16
±1
9
1
±1
±2.5
±2.5
±9
mV
dB
V
DD
± 10%
–80
–80
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
= 3 V coming out of power-down mode
Coming out of power-down V
DD
= 3 V
V
REF
= V
DD
= 3.6 V
Per DAC channel
At ambient
μV/mA
μV
μV
25
25
V
DD
50
V
DD
1.253
±15
μV/mA
V
nF
nF
Ω
mA
μs
V
μA
kΩ
V
ppm/°C
kΩ
7.5
7.5
±3
0.8
0.4
μA
V
V
pF
V
V
DD
= 3 V
V
DD
= 3 V
I
SINK
= 2 mA
I
SOURCE
= 2 mA
V
DD
±0.25
±0.25
μA
2
2
pF