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AD7980BRMZ датащи(PDF) 5 Page - Analog Devices

номер детали AD7980BRMZ
подробное описание детали  16-Bit, 1 MSPS, PulSAR ADC in MSOP/LFCSP
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
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AD7980BRMZ датащи(HTML) 5 Page - Analog Devices

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Data Sheet
AD7980
Rev. F | Page 3 of 26
SPECIFICATIONS
VDD = 2.5 V, VIO = 1.71 V to 5.5 V, VREF = 5 V, TA = −40°C to +125°C, unless otherwise noted.
Table 2.
A Grade
B Grade
Parameter
Test Conditions/Comments
Min
Typ
Max
Min
Typ
Max
Unit
RESOLUTION
16
16
Bits
ANALOG INPUT
Voltage Range
IN+ − IN−
0
VREF
0
VREF
V
Absolute Input Voltage
IN+
−0.1
VREF + 0.1
−0.1
VREF + 0.1
V
IN−
−0.1
+0.1
−0.1
+0.1
V
Analog Input CMRR
fIN = 100 kHz
60
60
dB
Leakage Current at 25°C
Acquisition phase
1
1
nA
Input Impedance
See the
Analog Input section
See the
Analog Input section
ACCURACY
No Missing Codes
16
16
Bits
Differential Linearity Error
REF = 5 V
−1.0
±0.5
+2.0
−0.9
±0.4
+0.9
LSB1
REF = 2.5 V
±0.7
±0.55
LSB1
Integral Linearity Error
REF = 5 V
−2.5
±1.5
+2.5
−1.25
±0.6
+1.25
LSB1
REF = 2.5 V
±1.65
±0.65
LSB1
Transition Noise
REF = 5 V
0.75
0.6
LSB1
REF = 2.5 V
1.2
1.0
LSB1
Gain Error, TMIN to TMAX2
±2
±2
LSB1
Gain Error Temperature Drift
±0.35
±0.35
ppm/°C
Zero Error, TMIN to TMAX2
−1.0
±0.08
+1.0
−0.5
±0.08
+0.5
mV
Zero Temperature Drift
0.54
0.54
ppm/°C
Power Supply Sensitivity
VDD = 2.5 V ± 5%
±0.1
±0.1
LSB1
THROUGHPUT
Conversion Rate
VIO ≥ 2.3 V up to 85°C, VIO ≥
3.3 V above 85°C up to 125°C
0
1
0
1
MSPS
VIO ≥ 1.71 V, VIO ≤ 3.3 V up
to 125°C
833
833
kSPS
Transient Response
Full-scale step
290
290
ns
AC ACCURACY
Dynamic Range
VREF = 5 V
91
92
dB3
VREF = 2.5 V
86
87
dB3
Oversampled Dynamic Range
fO = 10 kSPS
110
111
dB3
Signal-to-Noise Ratio, SNR
fIN = 10 kHz, VREF = 5 V
90.5
90
91.5
dB3
fIN = 10 kHz, VREF = 2.5 V
86.0
87.0
dB3
Spurious-Free Dynamic Range, SFDR
fIN = 10 kHz
−103.5
−110
dB3
Total Harmonic Distortion, THD
fIN = 10 kHz
−101
−114
dB3
Signal-to-Noise-and-Distortion Ratio,
SINAD
fIN = 10 kHz, VREF = 5 V
90
91
dB3
fIN = 10 kHz, VREF = 2.5 V
85.5
86.5
dB3
1
LSB means least significant bit. With the 5 V input range, 1 LSB is 76.3 µV.
2
See the Terminology section. These specifications include full temperature range variation, but not the error contribution from the external reference.
3
All specifications in dB are referred to a full-scale input FSR. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.


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