Datasheet
Data Sheet AD5697R
Rev. 0 | Page 3 of 28
SPECIFICATIONS
V
DD
= 2.7 V to 5.5 V; 1.8 V ≤ V
LOGIC
≤ 5.5 V; and all specifications T
MIN
to T
MAX
, unless otherwise noted. R
L
= 2 kΩ; and C
L
= 200 pF.
Table 2.
Parameter Min Typ Max Unit Test Conditions/Comments
STATIC PERFORMANCE
1
Resolution 12 Bits
Relative Accuracy ±0.12 ±1 LSB
Differential Nonlinearity ±1 LSB Guaranteed monotonic by design
Zero-Code Error 0.4 1.5 mV All 0s loaded to DAC register
Offset Error +0.1 ±1.5 mV
Full-Scale Error +0.01 ±0.1 % of FSR All 1s loaded to DAC register
Gain Error ±0.02 ±0.1 % of FSR
Total Unadjusted Error ±0.01 ±0.1 % of FSR External reference; gain = 2; TSSOP
±0.2 % of FSR Internal reference; gain = 1; TSSOP
Offset Error Drift
2
±1 μV/°C
Gain Temperature Coefficient
2
±1 ppm Of FSR/°C
DC Power Supply Rejection Ratio
2
0.15 mV/V DAC code = midscale; V
DD
= 5 V ± 10%
DC Crosstalk
2
±2 μV Due to single channel, full-scale output change
±3 μV/mA Due to load current change
±2 μV Due to powering down (per channel)
OUTPUT CHARACTERISTICS
2
Output Voltage Range 0 V
REF
V Gain = 1
0 2 × V
REF
V Gain = 2, see Figure 26
Capacitive Load Stability 2 nF R
L
= ∞
10 nF R
L
= 1 kΩ
Resistive Load
3
1 kΩ
Load Regulation 80 μV/mA
5 V ± 10%, DAC code = midscale;
−30 mA ≤ I
OUT
≤ +30 mA
80 μV/mA
3 V ± 10%, DAC code = midscale;
−20 mA ≤ I
OUT
≤ +20 mA
Short-Circuit Current
4
40 mA
Load Impedance at Rails
5
25 Ω See Figure 26
Power-Up Time 2.5 μs Coming out of power-down mode; V
DD
= 5 V
REFERENCE OUTPUT
Output Voltage
6
2.4975 2.5025 V At ambient
Reference Temperature Coefficient
7, 8
2 5 ppm/°C See the Terminology section
Output Impedance
2
0.04 Ω
Output Voltage Noise
2
12 μV p-p 0.1 Hz to 10 Hz
Output Voltage Noise Density
2
240 nV/√Hz At ambient; f = 10 kHz, C
L
= 10 nF
Load Regulation Sourcing
2
20 μV/mA At ambient
Load Regulation Sinking
2
40 μV/mA At ambient
Output Current Load Capability
2
±5 mA V
DD
≥ 3 V
Line Regulation
2
100 μV/V At ambient
Long-Term Stability/Drift
2
12 ppm After 1000 hours at 125°C
Thermal Hysteresis
2
125 ppm First cycle
25 ppm Additional cycles
LOGIC INPUTS
2
Input Current ±2 μA Per pin
Input Low Voltage, V
INL
0.3 × V
LOGIC
V
Input High Voltage, V
INH
0.7 × V
LOGIC
V
Pin Capacitance 2 pF