AD5308ARU 데이터 시트보기 (PDF) - Analog Devices
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AD5308ARU Datasheet PDF : 28 Pages
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AD5308/AD5318/AD5328
SPECIFICATIONS
VDD = 2.5 V to 5.5 V; VREF = 2 V; RL = 2 kΩ to GND; CL = 200 pF to GND; all specifications TMIN to TMAX, unless otherwise specified.
Table 1.
A Version1
B Version1
Parameter2
Min Typ
Max Min Typ
Max Unit
Conditions/Comments
DC PERFORMANCE3, 4
AD5308
Resolution
8
8
Bits
Relative Accuracy
±0.15
±1
±0.15
±0.75 LSB
Differential Nonlinearity
±0.02
±0.25
±0.02
±0.25 LSB
Guaranteed monotonic by
design over all codes
AD5318
Resolution
10
10
Bits
Relative Accuracy
±0.5
±4
±0.5
±3
LSB
Differential Nonlinearity
±0.05
±0.50
±0.05
±0.50 LSB
Guaranteed monotonic by
design over all codes
AD5328
Resolution
12
12
Bits
Relative Accuracy
±2
±16
±2
±12 LSB
Differential Nonlinearity
±0.2
±1.0
±0.2
±1.0 LSB
Guaranteed monotonic by
design over all codes
Offset Error
±5
±60
±5
±60 mV
VDD = 4.5 V, gain = 2, see
Figure 27 and Figure 28
Gain Error
±0.30
±1.25
±0.30
±1.25 % of FSR VDD = 4.5 V, gain = 2, see
Figure 27 and Figure 28
Lower Deadband5
10
60
10
60
mV
Lower deadband exists only
if offset error is negative, see
Figure 27
Upper Deadband5
10
60
10
60
mV
Upper deadband exists only
if VREF = VDD and offset plus
gain error is positive, see
Figure 28
Offset Error Drift6
−12
−12
ppm of
FSR/°C
Gain Error Drift6
−5
−5
ppm of
FSR/°C
DC Power Supply Rejection Ratio6
−60
−60
dB
VDD = ±10%
DC Crosstalk6
200
200
μV
RL = 2 kΩ to GND or VDD
DAC REFERENCE INPUTS6
VREF Input Range
1.0
VDD
1.0
VDD
V
Buffered reference mode
0.25
VDD
0.25
VDD
V
Unbuffered reference mode
VREF Input Impedance (RDAC)
>10.0
>10.0
MΩ
Buffered reference mode
and power-down mode
37.0 45.0
37.0 45.0
kΩ
Unbuffered reference mode,
0 V to VREF output range
18.0 22.0
18.0 22.0
kΩ
Unbuffered reference mode,
0 V to 2 VREF output range
Reference Feedthrough
−70.0
−70.0
dB
Frequency = 10 kHz
Channel-to-Channel Isolation
−75.0
−75.0
dB
Frequency = 10 kHz
OUTPUT CHARACTERISTICS6
Minimum Output Voltage7
0.001
0.001
V
This is a measure of the
minimum and maximum
Maximum Output Voltage7
VDD −
0.001
VDD − 0.001
V
Drive capability of the
output amplifier
DC Output Impedance
0.5
0.5
Ω
Rev. F | Page 4 of 28
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