Datasheet
Data Sheet AD5620/AD5640/AD5660
Rev. G | Page 5 of 28
AD5620/AD5640/AD5660-1
V
DD
1
= 2.7 V to 3.3 V, R
L
= 2 kΩ to GND, C
L
= 200 pF to GND, C
REFOUT
= 100 nF; all specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 3.
Parameter A Grade
2
B Grade
2
C Grade
2
Unit Conditions/Comments
STATIC PERFORMANCE
3
AD5660
Resolution 16 16 16 Bits min
Relative Accuracy ±32 ±16 ±16 LSB max
Differential Nonlinearity ±1 ±1 ±1 LSB max Guaranteed monotonic by design
AD5640
Resolution 14 14 14 Bits min
Relative Accuracy ±8 ±4 ±4 LSB max
Differential Nonlinearity ±0.5 ±0.5 ±0.5 LSB max Guaranteed monotonic by design
AD5620
Resolution
12
12
12
Bits min
Relative Accuracy ±6 ±1 ±1 LSB max
Differential Nonlinearity ±0.25 ±0.25 ±0.25 LSB max Guaranteed monotonic by design
Zero-Code Error 2 2 2 mV typ All 0s loaded to DAC register
8 8 8 mV max
Offset Error ±9 ±9 ±9 mV max
Full-Scale Error ±0.15 ±0.15 ±0.15 % FSR typ All 1s loaded to DAC register
±0.85 ±0.85 ±0.85 % FSR max
Gain Error ±0.85 ±0.85 ±0.85 % FSR max
Zero-Code Error Drift ±2 ±2 ±2 µV/°C typ
Gain Temperature Coefficient ±2.5 ±2.5 ±2.5 ppm typ Of FSR/°C
DC Power Supply Rejection Ratio −60 −60 −60 dB typ DAC code = midscale; V
DD
= 3 V ± 10%
OUTPUT CHARACTERISTICS
4
Output Voltage Range 0 0 V min
V
DD
V
DD
V
DD
V max
Output Voltage Settling Time 8 8 8 µs typ ¼ to ¾ scale change settling to ±2 LSB
10 10 10 µs max R
L
= 2 kΩ; 0 pF < C
L
< 200 pF
Slew Rate 1.5 1.5 1.5 V/µs typ ¼ to ¾ scale
Capacitive Load Stability 2 2 2 nF typ R
L
= ∞
10 10 10 nF typ R
L
= 2 kΩ
Output Noise Spectral Density 80 80 80 nV/√Hz typ DAC code = midscale, 10 kHz
Output Noise (0.1 Hz to 10 Hz) 20 20 20 µV p-p typ DAC code = midscale
Digital-to-Analog Glitch Impulse 5 5 5 nV-s typ 1 LSB change around major carry
Digital Feedthrough 0.1 0.1 0.1 nV-s typ
DC Output Impedance 0.5 0.5 0.5 Ω typ
Short-Circuit Current 30 30 30 mA typ V
DD
= 3 V
Power-Up Time
6
6
6
µs typ
Coming out of power-down mode; V
DD
= 3 V
REFERENCE OUTPUT
Output Voltage
1.247
1.247
1.247
V min
At ambient
1.253 1.253 1.253 V max
Reference TC
4
±10 ±10 ±5 ppm/°C typ
±15 ppm/°C max
Output Impedance 7.5 7.5 7.5 kΩ typ