AD7912 Просмотр технического описания (PDF) - Analog Devices
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AD7912 Datasheet PDF : 32 Pages
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AD7912/AD7922
SPECIFICATIONS
AD7912 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 1.
Parameter
DYNAMIC PERFORMANCE
Signal-to- Noise + Distortion (SINAD)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 Jitter
Channel-to-Channel Isolation2
Full Power Bandwidth
DC ACCURACY
Resolution
Integral Nonlinearity2
Differential Nonlinearity2
Offset Error2
Offset Error Match2, 3
Gain Error2
Gain Error Match2, 3
Total Unadjusted Error (TUE)2
ANALOG INPUT
Input Voltage Ranges
DC Leakage Current
Input Capacitance
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN, SCLK Pin
Input Current, IIN, CS Pin
Input Current, IIN, DIN Pin
Input Capacitance, CIN3
LOGIC OUTPUTS
Output High Voltage, VOH
Output Low Voltage, VOL
Floating-State Leakage Current
Floating-State Output Capacitance3
Output Coding
A Grade1
Unit
61
dB min
−71
dB max
−72
dB max
−82
dB typ
−83
dB typ
10
ns typ
30
ps typ
90
dB typ
8.5
MHz typ
1.5
MHz typ
10
Bits
±0.5
LSB max
±0.5
LSB max
±0.5
LSB max
±0.3
LSB max
±0.5
LSB max
±0.3
LSB max
±0.5
LSB max
0 to VDD
±0.3
20
V
µA max
pF typ
0.7 (VDD)
2
0.3
0.2 (VDD)
0.8
±0.3
±0.3
±0.3
5
V min
V min
V max
V max
V max
µA max
µA max
µA max
pF max
VDD − 0.2
V min
0.2
V max
±0.3
µA max
5
pF max
Straight (natural) binary
Test Conditions/Comments
fIN = 100 kHz sine wave
fa = 100.73 kHz, fb = 90.7 kHz
fa = 100.73 kHz, fb = 90.7 kHz
@ 3 dB
@ 0.1 dB
Guaranteed no missed codes to 10 bits
2.35 V ≤ VDD ≤ 2.7 V
2.7 V < VDD ≤ 5.25 V
VDD = 2.35 V
2.35 V < VDD ≤ 2.7 V
2.7 V < VDD ≤ 5.25 V
Typically 8 nA, VIN = 0 V or VDD
ISOURCE = 200 µA, VDD = 2.35 V to 5.25 V
ISINK = 200 µA
Rev. 0 | Page 3 of 32
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