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AD7912ARM датащи(PDF) 5 Page - Analog Devices

номер детали AD7912ARM
подробное описание детали  2-Channel, 2.35 V to 5.25 V, 1 MSPS, 10-/12-Bit ADCs
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
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AD7912ARM датащи(HTML) 5 Page - Analog Devices

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AD7912/AD7922
Rev. 0 | Page 5 of 32
AD7922 SPECIFICATIONS
Temperature range for A Grade from −40°C to +85°C.
VDD = 2.35 V to 5.25 V, fSCLK = 18 MHz, fSAMPLE = 1 MSPS; TA = TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
A Grade1
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 100 kHz sine wave
Signal-to-Noise + Distortion (SINAD)2
70
dB min
72
dB typ
Signal-to-Noise Ratio (SNR)2
71
dB min
72.5
dB typ
Total Harmonic Distortion (THD)2
−81
dB typ
Peak Harmonic or Spurious Noise (SFDR)2
−84
dB typ
Intermodulation Distortion (IMD)2
Second-Order Terms
−84
dB typ
fa = 100.73 kHz, fb = 90.72 kHz
Third-Order Terms
−86
dB typ
fa = 100.73 kHz, fb = 90.72 kHz
Aperture Delay
10
ns typ
Aperture Jitter
30
ps typ
Channel-to-Channel Isolation2
90
dB typ
Full Power Bandwidth
8.5
MHz typ
@ 3 dB
1.5
MHz typ
@ 0.1dB
DC ACCURACY
Resolution
12
Bits
Integral Nonlinearity2
±1.5
LSB max
VDD = 2.35 V to 3.6V
±0.7
LSB typ
VDD = 4.75 V to 5.25V
Differential Nonlinearity2
Guaranteed no missed codes to 12 bits
−0.9/+1.5
LSB max
VDD = 2.35 V to 3.6V
−0.7/+1.2
LSB typ
VDD = 4.75 V to 5.25V
Offset Error2
±1
LSB max
VDD = 2.35 V to 3.6V
±0.1
LSB typ
VDD = 4.75 V to 5.25V
Offset Error Match2, 3
±0.5
LSB max
VDD = 2.35 V to 3.6V
±0.02
LSB typ
VDD = 4.75 V to 5.25V
Gain Error2
±2
LSB max
VDD = 2.35 V to 3.6V
±0.5
LSB typ
VDD = 4.75 V to 5.25V
Gain Error Match2, 3
±1
LSB max
VDD = 2.35 V to 3.6V
±0.2
LSB typ
VDD = 4.75 V to 5.25V
Total Unadjusted Error (TUE)2
±1.5
LSB max
VDD = 2.35 V to 3.6V
±0.5
LSB typ
VDD = 4.75 V to 5.25V
ANALOG INPUT
Input Voltage Ranges
0 to VDD
V
DC Leakage Current
±0.3
µA max
Input Capacitance
20
pF typ
LOGIC INPUTS
Input High Voltage, VINH
0.7 (VDD)
V min
2.35 V ≤ VDD ≤ 2.7 V
2
V min
2.7 V < VDD ≤ 5.25 V
Input Low Voltage, VINL
0.3
V max
VDD = 2.35 V
0.2 (VDD)
V max
2.35 V < VDD ≤ 2.7 V
0.8
V max
2.7 V < VDD ≤ 5.25 V
Input Current, IIN, SCLK Pin
±0.3
µA max
Typically 8 nA, VIN = 0 V or VDD
Input Current, IIN, CS Pin
±0.3
µA max
Input Current, IIN, DIN Pin
±0.3
µA max
Input Capacitance, CIN3
5
pF max


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