Datasheet

Data Sheet AD5623R/AD5643R/AD5663R
Rev. E | Page 5 of 32
AD5623R-3/AD5643R-3/AD5663R-3
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 3.
B Grade
1
Parameter Min Typ Max Unit Conditions/Comments
STATIC PERFORMANCE
2
AD5663R
Resolution 16 Bits
Relative Accuracy
±8
±16
LSB
Differential Nonlinearity ±1 LSB Guaranteed monotonic by design
AD5643R
Resolution 14 Bits
Relative Accuracy ±2 ±4 LSB
Differential Nonlinearity ±0.5 LSB Guaranteed monotonic by design
AD5623R
Resolution 12 Bits
Relative Accuracy ±0.5 ±1 LSB
Differential Nonlinearity ±0.25 LSB Guaranteed monotonic by design
Zero-Scale Error +2 +10 mV All 0s loaded to DAC register
Offset Error ±1 ±10 mV
Full-Scale Error −0.1 ±1 % of FSR All 1s loaded to DAC register
Gain Error ±1.5 % of FSR
Zero-Scale Error Drift ±2 µV/°C
Gain Temperature Coefficient ±2.5 ppm Of FSR/°C
DC Power Supply Rejection Ratio −100 dB DAC code = midscale; V
DD
= 3 V ± 10%
DC Crosstalk (External Reference)
10
µV
Due to full-scale output change;
R
L
= 2 kΩ to GND or V
DD
10 µV/mA Due to load current change
5 µV Due to powering down (per channel)
DC Crosstalk (Internal Reference) 25 µV Due to full-scale output change;
R
L
= 2 kΩ to GND or V
DD
20 µV/mA Due to load current change
10 µV Due to powering down (per channel)
OUTPUT CHARACTERISTICS
3
Output Voltage Range 0 V
DD
V
Capacitive Load Stability 2 nF R
L
= ∞
10 nF R
L
= 2 kΩ
DC Output Impedance 0.5 Ω
Short Circuit Current 30 mA V
DD
= 3 V
Power-Up Time 4 µs Coming out of power-down mode; V
DD
= 3 V
REFERENCE INPUTS
Reference Current 170 200 µA V
REF
= V
DD
= 3.6 V
Reference Input Range
0.75
V
DD
V
Reference Input Impedance 26 kΩ
REFERENCE OUTPUT
Output Voltage 1.247 1.253 V At ambient
Reference Temperature Coefficient
3
±5 ±15 ppm/°C MSOP package models
±10 ppm/°C LFCSP package models
Output Impedance 7.5 kΩ