AD7298-1 데이터 시트보기 (PDF) - Analog Devices
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AD7298-1 Datasheet PDF : 24 Pages
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AD7298-1
SPECIFICATIONS
VDD = 2.8 V to 3.6 V, VDRIVE = 1.65 V to 3.6 V, fSAMPLE = 1 MSPS, fSCLK = 20 MHz, VREF = 2.5 V internal, TA = −40°C to +125°C, unless
otherwise noted.
Table 1.
Parameter
DYNAMIC PERFORMANCE
Signal-to-Noise Ratio (SNR)1
Signal-to-Noise-(and-Distortion) Ratio (SINAD)2
Total Harmonic Distortion (THD)2
Spurious-Free Dynamic Range (SFDR)
Intermodulation Distortion (IMD)
Second-Order Terms
Third-Order Terms
Channel-to-Channel Isolation
SAMPLE AND HOLD
Aperture Delay3
Aperture Jitter3
Full Power Bandwidth
DC ACCURACY
Resolution
Integral Nonlinearity (INL)2
Differential Nonlinearity (DNL)2
Offset Error2
Offset Error Matching2
Offset Temperature Drift
Gain Error2
Gain Error Matching2
Gain Temperature Drift
ANALOG INPUT
Input Voltage Ranges
DC Leakage Current
Input Capacitance
REFERENCE INPUT/OUTPUT
Reference Output Voltage4
Long-Term Stability
Output Voltage Hysteresis
Reference Input Voltage Range
DC Leakage Current
VREF Output Impedance
VREF Temperature Coefficient
VREF Noise
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN3
Min
61
61
10
0
2.4925
1
0.7 × VDRIVE
Typ
61.5
61.5
−82
−83
−86
−86
−90
40
30
10
±0.25
±0.3
±0.5
±0.625
4
±0.25
±0.16
0.5
±0.01
32
8
2.5
150
50
±0.01
1
12
60
±0.01
3
Max
−75
−76
12
±0.5
±0.5
±1.125
±1.125
±1
±0.625
VREF
±1
2.5075
2.5
±1
35
0.3 × VDRIVE
±1
Unit
Test Conditions/Comments
fIN = 50 kHz sine wave
dB
dB
dB
dB
fA = 40.1 kHz, fB = 41.5 kHz
dB
dB
dB
fIN = 50 kHz, fNOISE = 60 kHz
ns
ps
MHz
At 3 dB
MHz
At 0.1 dB
Bits
LSB
LSB
LSB
LSB
ppm/°C
LSB
LSB
ppm/°C
Guaranteed no missed codes to 10 bits
V
μA
pF
When in track mode
pF
When in hold mode
V
ppm
ppm
V
μA
Ω
ppm/°C
μV rms
±0.3% maximum at 25°C
For 1000 hours
External reference applied to the VREF pin
Bandwidth = 10 MHz
V
V
μA
VIN = 0 V or VDRIVE
pF
Rev. A | Page 3 of 24
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