Datasheet

Data Sheet AD5625R/AD5645R/AD5665R, AD5625/AD5665
Rev. C | Page 5 of 36
SPECIFICATIONS—AD5665/AD5625
V
DD
= 2.7 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 3.
B Grade
Parameter Min Typ Max Unit Test Conditions/Comments
1
STATIC PERFORMANCE
2
AD5665
Resolution 16 Bits
Relative Accuracy ±8 ±16 LSB
Differential Nonlinearity ±1 LSB Guaranteed monotonic by design
AD5625
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 0s loaded to DAC register
Offset Error ±1 ±10 mV
Full-Scale Error −0.1 ±0.5 % FSR All 1s loaded to DAC register
Gain Error ±0.1 ±1 % 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
= 5 V ± 10%
DC Crosstalk (External Reference) 15 µV Due to full-scale output change,
R
L
= 2 kΩ to GND or V
DD
10 µV/mA Due to load current change
8 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
= 5 V
Power-Up Time 4 µs Coming out of power-down mode; V
DD
= 5 V
REFERENCE INPUTS
Reference Current 210 260 µA V
REF
= V
DD
= 5.5 V
Reference Input Range 0.75 V
DD
V
Reference Input Impedance 26 kΩ
LOGIC INPUTS (ADDRx,
CLR
,
LDAC
, POR)
3
I
IN
, Input Current ±1 µA
V
INL
, Input Low Voltage 0.15 × V
DD
V
V
INH
, Input High Voltage 0.85 × V
DD
V
C
IN
, Pin Capacitance 2 pF
V
HYST
, Input Hysteresis 0.1 × V
DD
V
LOGIC INPUTS (SDA, SCL)
3
I
IN
, Input Current ±1 µA
V
INL
, Input Low Voltage
0.3 × V
DD
V
V
INH
, Input High Voltage 0.7 × V
DD
V
C
IN
, Pin Capacitance 2 pF
V
HYST
, Input Hysteresis 0.1 × V
DD
V High speed mode
0.05 × V
DD
V Fast mode