AD7608 データシートの表示（PDF） - Analog Devices
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AD7608 Datasheet PDF : 32 Pages
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AD7608
Data Sheet
SPECIFICATIONS
VREF = 2.5 V external/internal, AVCC = 4.75 V to 5.25 V, VDRIVE = 2.3 V to 5.25 V; fSAMPLE = 200 kSPS, TA = TMIN to TMAX, unless otherwise noted.1
Table 2.
Parameter
Test Conditions/Comments
Min
DYNAMIC PERFORMANCE
Signal-to-Noise Ratio (SNR) 2, 3
fIN = 1 kHz sine wave unless otherwise noted
Oversampling by 16; ±10 V range; fIN = 130 Hz 98
Oversampling by 16; ±5 V range; fIN = 130 Hz 95.5
No oversampling; ±10 V range
89.5
No oversampling; ±5 V range
88.5
Signal-to-(Noise + Distortion) (SINAD)2
No oversampling; ±10 V range
88.5
No oversampling; ±5 V range
88
Dynamic Range
No oversampling; ±10 V range
No oversampling; ±5 V range
Total Harmonic Distortion (THD)2
Peak Harmonic or Spurious Noise (SFDR)2
Intermodulation Distortion (IMD)2
fa = 1 kHz, fb = 1.1 kHz
Second-Order Terms
Third-Order Terms
Channel-to-Channel Isolation2
fIN on unselected channels up to 160 kHz
ANALOG INPUT FILTER
Full Power Bandwidth
−3 dB, ±10 V range
−3 dB, ±5 V range
−0.1 dB, ±10 V range
−0.1 dB, ±5 V range
tGROUP DELAY
±10 V range
±5 V range
DC ACCURACY
Resolution
No missing codes
18
Differential Nonlinearity2
Integral Nonlinearity2
Total Unadjusted Error (TUE)
±10 V range
±5 V range
Positive Full-Scale Error2, 5
External reference
Internal reference
Positive Full-Scale Error Drift
External reference
Internal reference
Positive Full-Scale Error Matching2
±10 V range
±5 V range
Bipolar Zero Code Error2, 6
±10 V range
± 5 V range
Bipolar Zero Code Error Drift
±10 V range
± 5 V range
Bipolar Zero Code Error Matching2
±10 V range
±5 V range
Negative Full-Scale Error2, 5
External reference
Internal reference
Negative Full-Scale Error Drift
External reference
Internal reference
Negative Full-Scale Error Matching2
±10 V range
±5 V range
Typ Max
Unit
99.5
dB
97.5
dB
90.9
dB
90
dB
90.5
dB
89.5
dB
91.5
dB
90.5
dB
−107 −95
dB
−108
dB
−110
dB
−106
dB
−95
dB
23
kHz
15
kHz
10
kHz
5
kHz
11
µs
15
µs
±0.75
±2.5
±15
±40
±15
±40
±2
±7
12
30
±3.5
±3.5
10
5
3
21
±15
±40
±4
±8
12
30
−0.99/+2.6
±7.5
±128
95
128
±24
±48
30
65
±128
95
128
Bits
LSB 4
LSB
LSB
LSB
LSB
LSB
ppm/°C
ppm/°C
LSB
LSB
LSB
LSB
µV/°C
µV/°C
LSB
LSB
LSB
LSB
ppm/°C
ppm/°C
LSB
LSB
Rev. A | Page 4 of 32
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