AD7910 查看數據表（PDF） - Analog Devices
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AD7910 Datasheet PDF : 24 Pages
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AD7910/AD7920
Parameter1
Power Dissipation6
Normal Mode (Operational)
Full Power-Down
A Grade1, 2
15
4.2
5
3
1 Temperature range from −40°C to +85°C.
2 Operational from VDD = 2.0 V, with input high voltage (VINH) 1.8 V min.
3 See the Terminology section.
4 SC70 values guaranteed by characterization.
5 Guaranteed by characterization.
6 See the Power vs. Throughput Rate section.
Unit
mW max
mW max
μW max
μW max
Test Conditions/Comments
VDD = 5 V, fSAMPLE = 250 kSPS
VDD = 3 V, fSAMPLE = 250 kSPS
VDD = 5 V
VDD = 3 V
AD7920
VDD = 2.35 V to 5.25 V, fSCLK = 5 MHz, fSAMPLE = 250 kSPS, TA = TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter1
DYNAMIC PERFORMANCE
Signal-to-Noise + Distortion (SINAD)3
Signal-to-Noise Ratio (SNR)3
Total Harmonic Distortion (THD)3
Peak Harmonic or Spurious Noise (SFDR)3
Intermodulation Distortion (IMD)3
Second-Order Terms
Third-Order Terms
Aperture Delay
Aperture Jitter
Full Power Bandwidth
DC ACCURACY
Resolution
Integral Nonlinearity3
Differential Nonlinearity
Offset Error3, 5
Gain Error3, 5
Total Unadjusted Error (TUE)3, 5
ANALOG INPUT
Input Voltage Ranges
DC Leakage Current
Input Capacitance
A Grade 1, 2
70
69
71.5
69
68
71
70
70
69
−80
−82
−84
−84
10
30
13.5
2
12
± 0.75
±0.75
±1.5
±1.5
0 to VDD
±0.5
20
B Grade1, 2
70
69
71.5
69
68
71
70
70
69
−80
−82
−84
−84
10
30
13.5
2
12
±1.5
−0.9/+1.5
±1.5
±0.2
±1.5
±0.5
±2
0 to VDD
±0.5
20
Unit
dB min
dB min
dB typ
dB min
dB min
dB min
dB min
dB min
dB min
dB typ
dB typ
dB typ
dB typ
ns typ
ps typ
MHz typ
MHz typ
Bits
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB max
V
μA max
pF typ
Test Conditions/Comments
fIN = 100 kHz sine wave
VDD = 2.35 V to 3.6 V, TA = 25°C
VDD = 2.4 V to 3.6 V
VDD = 2.35 V to 3.6 V
VDD = 4.75 V to 5.25 V, TA = 25°C
VDD = 4.75 V to 5.25 V
VDD = 2.35 V to 3.6 V, TA = 25°C
VDD = 2.4 V to 3.6 V
VDD = 4.75 V to 5.25 V, TA = 25°C
VDD = 4.75 V to 5.25 V
fa = 100.73 kHz, fb = 90.72 kHz
fa = 100.73 kHz, fb = 90.72 kHz
@ 3 dB
@ 0.1 dB
B Grade4
Guaranteed no missed codes to 12 bits
Track-and-hold in track, 6 pF typ when in hold
Rev. C | Page 4 of 24
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