AD7657-1 データシートの表示（PDF） - Analog Devices
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AD7657-1 Datasheet PDF : 32 Pages
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AD7656-1/AD7657-1/AD7658-1
SPECIFICATIONS
AD7656-1
VREF = 2.5 V internal/external, AVCC = 4.75 V to 5.25 V, DVCC = 4.75 V to 5.25 V, VDRIVE = 2.7 V to 5.25 V; for the ±4 × VREF range, VDD =
10 V to 16.5 V, VSS = −10 V to −16.5 V; for the ±2 × VREF range, VDD = 5 V to 16.5 V, VSS = −5 V to −16.5 V; fSAMPLE = 250 kSPS, TA = TMIN to
TMAX, unless otherwise noted.
Table 1.
Parameter
DYNAMIC PERFORMANCE
Signal-to-(Noise + Distortion) (SINAD)2
Signal-to-Noise Ratio (SNR)2
Total Harmonic Distortion (THD)2
Peak Harmonic or Spurious Noise (SFDR)2
Intermodulation Distortion (IMD)2
Second-Order Terms
Third-Order Terms
Aperture Delay
Aperture Delay Matching
Aperture Jitter
Channel-to-Channel Isolation2
Full-Power Bandwidth
DC ACCURACY
Resolution
No Missing Codes
Integral Nonlinearity2
Positive Full-Scale Error2
Positive Full-Scale Error Matching2
Bipolar Zero-Scale Error2
Bipolar Zero-Scale Error Matching2
Negative Full-Scale Error2
Negative Full-Scale Error Matching2
ANALOG INPUT
Input Voltage Ranges
DC Leakage Current
Input Capacitance3
REFERENCE INPUT/OUTPUT
Reference Input Voltage Range
DC Leakage Current
Input Capacitance3
Reference Output Voltage
Long-Term Stability
Reference Temperature Coefficient
B Version1 Y Version1 Unit
88
88
−90
−105
−100
88
88
−90
−105
−100
dB typ
dB typ
dB max
dB typ
dB typ
−112
−107
10
4
35
−100
4.5
2.2
−112
−107
10
4
35
−100
4.5
2.2
dB typ
dB typ
ns max
ns max
ps typ
dB typ
MHz typ
MHz typ
16
15
±3
±1
±0.8
±0.35
±0.048
±0.038
±0.8
±0.35
16
14
±3
±1
±0.8
±0.35
±0.023
±0.038
±0.8
±0.35
Bits
Bits min
LSB max
LSB typ
% FS max
% FS max
% FS max
% FS max
% FS max
% FS max
±4 × VREF
±2 × VREF
±1
10
14
±4 × VREF
±2 × VREF
±1
10
14
V
V
μA max
pF typ
pF typ
2.5
±1
18.5
2.49/2.51
150
25
6
2.5
±1
18.5
2.49/2.51
150
25
6
V min/max
μA max
pF typ
V min/max
ppm typ
ppm/°C max
ppm/°C typ
Test Conditions/Comments
fIN = 10 kHz sine wave
VDD/VSS = ±5 V to ±16.5 V
fa = 10.5 kHz, fb = 9.5 kHz
fIN on unselected channels up to 100 kHz
@ −3 dB
@ −0.1 dB
±0.381% FSR typical
±0.0137% FSR typical
±0.381% FSR typical
See Table 8 for minimum VDD/VSS for
each range
RNGx bits or RANGE pin = 0
RNGx bits or RANGE pin = 1
±4 × VREF range when in track
±2 × VREF range when in track
REFEN/DIS = 1
1000 hours
Rev. 0 | Page 3 of 32
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