AD7291BCPZ-RL7(Rev0) 데이터 시트보기 (PDF) - Analog Devices
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AD7291BCPZ-RL7 Datasheet PDF : 28 Pages
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AD7291
SPECIFICATIONS
VDD = 2.8 V to 3.6 V; VDRIVE = 1.65 V to 3.6 V; fSCL = 400 kHz, fast SCLK mode; VREF = 2.5 V internal/external; TA = −40°C to +125°C,
unless otherwise noted.
Table 2.
Parameter
DYNAMIC PERFORMANCE
Signal-to-Noise Ratio (SNR)2
Signal-to-Noise (+ 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
Full Power Bandwidth3
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 Capacitance3
REFERENCE INPUT/OUTPUT
Reference Output Voltage4
Long-Term Stability
Output Voltage Hysteresis
Reference Input Voltage Range5
DC Leakage Current
VREF Output Impedance
Reference Temperature Coefficient
VREF Noise3
LOGIC INPUTS (SDA, SCL)
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN3
Input Hysteresis, VHYST
Min
Typ Max
70
71
70
71
−84 −78
−85 −80
−88
−88
−100
30
10
Unit1
1F
dB
dB
dB
dB
dB
dB
dB
MHz
MHz
Test Conditions/Comments
fIN = 1 kHz sine wave
fA = 5.4 kHz, fB = 4.6 kHz
fIN = 10 kHz
At 3 dB
At 0.1 dB
12
Bits
±0.5 ±1
LSB
±0.5 ±0.99
LSB
Guaranteed no missed codes to 12 bits
±2 ±4.5
LSB
±2.5 ±4.5
LSB
4
ppm/°C
±1 ±4
LSB
±1 ±2.5
LSB
0.5
ppm/°C
0
VREF
V
±0.01 ±1
μA
34
pF
When in track
8
pF
When in hold
2.4925
1
2.5
150
50
±0.01
1
12
60
2.5075
2.5
±1
35
V
ppm
ppm
V
μA
Ω
ppm/°C
μV rms
±0.3% maximum at 25°C
For 1000 hours
External reference applied to Pin VREF
Bandwidth = 10 MHz
0.7 × VDRIVE
V
0.3 × VDRIVE V
±0.01 ±1
μA
6
pF
0.1 × VDRIVE
V
VIN = 0 V or VDRIVE
Rev. 0 | Page 3 of 28
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