Datasheet

AD5624R/AD5644R/AD5664R Data Sheet
Rev. C | Page 4 of 28
B Grade
1
Parameter Min Typ Max Unit Conditions/Comments
LOGIC INPUTS
3
Input Current ±2 µA All digital inputs
V
INL
, Input Low Voltage 0.8 V V
DD
= 5 V
V
INH
, Input High Voltage 2 V V
DD
= 5 V
Pin Capacitance 3 pF
POWER REQUIREMENTS
V
DD
4.5 5.5 V
I
DD
V
IH
= V
DD
, V
IL
= GND, V
DD
= 4.5 V to 5.5 V
Normal Mode
4
0.45 0.9 mA Internal reference off
0.95 1.2 mA Internal reference on
All Power-Down Modes
5
0.48 1 µA
1
Temperature range: B grade: −40°C to +105°C.
2
Linearity calculated using a reduced code range: AD5664R (Code 512 to Code 65,024); AD5644R (Code 128 to Code 16,256); AD5624R (Code 32 to Code 4064). Output
unloaded.
3
Guaranteed by design and characterization, not production tested.
4
Interface inactive. All DACs active. DAC outputs unloaded.
5
All DACs powered down.
AD5624R-3/AD5644R-3/AD5664R-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
AD5664R
Resolution
16
Bits
Relative Accuracy ±8 ±16 LSB
Differential Nonlinearity ±1 LSB Guaranteed monotonic by design
AD5644R
Resolution 14 Bits
Relative Accuracy ±2 ±4 LSB
Differential Nonlinearity ±0.5 LSB Guaranteed monotonic by design
AD5624R
Resolution 12 Bits
Relative Accuracy ±0.5 ±1 LSB
Differential Nonlinearity ±0.25 LSB Guaranteed monotonic by design
Zero-Code Error 2 10 mV All zeroes loaded to DAC register
Offset Error ±1 ±10 mV
Full-Scale Error −0.1 ±1 % of FSR All ones loaded to DAC register
Gain Error ±1.5 % of FSR
Zero-Code 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)
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)