
AD5680
SPECIFICATIONS
V
DD
= 4.5 V to 5.5 V; R
L
= 2 kΩ to GND; C
L
= 200 pF to GND; V
REF
= V
DD
; all specifications T
MIN
to T
MAX
, unless otherwise noted.
Table 1.
B Grade
Parameter
Min
Typ
STATIC PERFORMANCE
2
Resolution
18
Relative Accuracy
±32
Differential Nonlinearity
3
Zero-Code Error
2
Full-Scale Error
0.2
Offset Error
Gain Error
Zero-Code Error Drift
±2
Gain Temperature Coefficient
±2.5
DC Power Supply Rejection Ratio
100
OUTPUT CHARACTERISTICS
3
Output Voltage Range
0
Output Voltage Settling Time
80
Rev. 0 | Page 3 of 20
Unit
Bits
LSB
LSB
LSB
mV
% FSR
mV
% FSR
μV/°C
ppm
dB
V
μs
B Version
1
Conditions/Comments
Measured in 50 Hz system bandwidth
Measured in 300 Hz system bandwidth
All 0s loaded to DAC register
All 1s loaded to DAC register
Of FSR/°C
DAC code = midscale; V
DD
= 5 V ± 10%
to scale change settling to ±8 LSB
R
L
= 2 kΩ; 0 pF < C
L
< 200 pF
to scale
R
L
= ∞
R
L
= 2 kΩ
DAC code = midscale, 10 kHz
DAC code = midscale
V
REF
= 2 V ± 300 mV p-p, f = 200 Hz
1 LSB change around major carry
V
DD
= 5 V
V
REF
= V
DD
= 5 V
All digital inputs
V
DD
= 5 V
V
DD
= 5 V
All digital inputs at 0 V or V
DD
DAC active and excluding load current
V
IH
= V
DD
and V
IL
= GND
I
LOAD
= 2 mA, V
DD
= 5 V
Max
±64
±1
±2
10
1
±10
±1.5
V
DD
85
Slew Rate
Capacitive Load Stability
Output Noise Spectral Density
4
Output Noise (0.1 Hz to 10 Hz)
4
Total Harmonic Distortion (THD)
4
Digital-to-Analog Glitch Impulse
Digital Feedthrough
DC Output Impedance
Short-Circuit Current
4
REFERENCE INPUT
Reference Current
Reference Input Range
5
Reference Input Impedance
LOGIC INPUTS
Input Current
V
INL
, Input Low Voltage
V
INH
, Input High Voltage
Pin Capacitance
POWER REQUIREMENTS
V
DD
I
DD
(Normal Mode)
V
DD
= 4.5 V to 5.5 V
POWER EFFICIENCY
I
OUT
/I
DD
1
Temperature range for B version is 40°C to +105°C, typical at +25°C.
2
DC specifications tested with the outputs unloaded, unless otherwise stated. Linearity calculated using a reduced code range of 2048 to 260096.
3
Guaranteed by design and characterization; not production tested.
4
Output unloaded.
5
Reference input range at ambient where maximum DNL specification is achievable.
0.75
4.5
1.5
2
10
80
25
80
5
0.2
0.5
30
40
125
2
3
325
85
75
V
DD
±2
0.8
5.5
450
V/μs
nF
nF
nV/√Hz
μV p-p
dB
nV-s
nV-s
Ω
mA
μA
V
kΩ
μA
V
V
pF
V
μA
%