EVAL-AD7694SDZ 데이터 시트보기 (PDF) - Analog Devices
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EVAL-AD7694SDZ Datasheet PDF : 17 Pages
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Data Sheet
AD7694
SPECIFICATIONS
VDD = 2.7 V to 5.25 V; VREF = VDD; TA = –40°C to +85°C, unless otherwise noted.
Table 2.
Parameter
RESOLUTION
ANALOG INPUT
Voltage Range
Absolute Input Voltage
Leakage Current at 25°C
Input Impedance
ACCURACY
No Missing Codes
Integral Linearity Error
Transition Noise
Gain Error1, TMIN to TMAX
Gain Error Temperature Drift
Offset Error1, TMIN to TMAX
Offset Temperature Drift
Power Supply Sensitivity
THROUGHPUT
Conversion Rate
AC ACCURACY
Signal-to-Noise
Spurious-Free Dynamic Range
Total Harmonic Distortion
Signal-to-(Noise + Distortion)
Conditions
IN+ − IN−
IN+
IN−
Acquisition phase
REF = VDD = 5 V
VDD = 5 V ± 5%
VDD = 4.75 V to 5.25 V
VDD = 2.7 V to 4.75 V
fIN = 20 kHz, VREF = 5 V
fIN = 20 kHz, VREF = 2.5 V
fIN = 20 kHz
fIN = 20 kHz
fIN = 20 kHz, VREF = 5 V
fIN = 20 kHz, VREF = 2.5 V
A Grade
Min Typ Max
16
B Grade
Min Typ Max
16
0
−0.1
−0.1
1
VREF
0
VDD + 0.1 −0.1
+0.1
−0.1
1
See the Analog Input section
VREF
VDD + 0.1
+0.1
15
−6
+6
0.5
±2
±30
±0.3
±0.7 ±3.5
±0.3
±0.05
16
−4
+4
0.5
±2
±15
±0.3
±0.7 ±3.5
±0.3
±0.05
0
250
0
250
0
150
0
150
90
86
−100
−100
89
86
88 92
87
−106
−106
88 92
87
Unit
Bits
V
V
V
nA
Bits
LSB
LSB
LSB
ppm/°C
mV
ppm/°C
LSB
kSPS
kSPS
dB2
dB
dB
dB
dB
dB
1 See the Terminology section. These specifications include full temperature range variation, but do not include the error contribution from the external reference.
2 All specifications in dB refer to a full-scale input, FS. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
Rev. B | Page 3 of 16
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