AD7923BRUZ-REEL7 データシートの表示（PDF） - Analog Devices
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AD7923BRUZ-REEL7 Datasheet PDF : 24 Pages
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AD7923
SPECIFICATIONS
AVDD = VDRIVE = 2.7 V to 5.25 V, REFIN = 2.5 V, fSCLK = 20 MHz, TA = TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
DYNAMIC PERFORMANCE
Signal-to-(Noise + Distortion) (SINAD)2
Signal-to-Noise (SNR)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 Isolation
Full Power Bandwidth
DC ACCURACY2
Resolution
Integral Nonlinearity
Differential Nonlinearity
0 V to REFIN Input Range
Offset Error
Offset Error Match
Gain Error
Gain Error Match
0 V to 2 × REFIN Input Range
Positive Gain Error
Positive Gain Error Match
Zero-Code Error
Zero-Code Error Match
Negative Gain Error
Negative Gain Error Match
ANALOG INPUT
Input Voltage Range
DC Leakage Current
Input Capacitance
REFERENCE INPUT
REFIN Input Voltage
DC Leakage Current
REFIN Input Impedance
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN3
B Version1
70
69
69
70
−77
−73
−78
−76
−90
−90
10
50
−85
8.2
1.6
12
±1
−0.9/+1.5
±8
±0.5
±1.5
±0.5
±1.5
±0.5
±8
±0.5
±1
±0.5
0 to REFIN
0 to 2 × REFIN
±1
20
2.5
±1
36
0.7 × VDRIVE
0.3 × VDRIVE
±1
10
Unit
dB min
dB min
dB min
dB min
dB max
dB max
dB max
dB max
dB typ
dB typ
ns typ
ps typ
dB typ
MHz typ
MHz typ
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
V
V
μA max
pF typ
V
μA max
kΩ typ
V min
V max
μA max
pF max
Test Conditions/Comments
fIN = 50 kHz sine wave, fSCLK = 20 MHz
@ 5 V, –40°C to +85°C
@ 5 V, 85°C to 125°C, typ 70 dB
@ 3 V typ 70 dB, –40°C to +125°C
@ 5 V typ, −84 dB
@ 3 V typ,−77 dB
@ 5 V typ, −86 dB
@ 3 V typ, −80 dB
fA = 40.1 kHz, fB = 41.5 kHz
fIN = 400 kHz
@ 3 dB
@ 0.1 dB
Guaranteed no missed codes to 12 bits
Straight binary output coding
Typ ±0.5 LSB
−REFIN to +REFIN biased about REFIN with twos
complement output coding
Typ ±0.8 LSB
Range bit set to 1
Range bit set to 0, AVDD = 4.75 V to 5.25 V
±1% specified performance
fSAMPLE = 200 kSPS
Typ 10 nA, VIN = 0 V or VDRIVE
Rev. C | Page 3 of 24
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