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AD7946 データシート(PDF) 4 Page - Analog Devices

部品番号 AD7946
部品情報  16-Bit, 100 kSPS PulSAR, Differential ADC in MSOP
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
Logo AD - Analog Devices

AD7946 データシート(HTML) 4 Page - Analog Devices

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AD7684
Rev. A | Page 4 of 16
VDD = 5 V; VREF = VDD; TA = −40°C to +85°C, unless otherwise noted.
Table 3.
Parameter
Conditions
Min
Typ
Max
Unit
ACCURACY
No Missing Codes
16
Bits
Integral Linearity Error
−3
±1
+3
LSB
Transition Noise
0.5
LSB
Gain Error, 1 TMIN to TMAX
±2
±15
LSB
Gain Error Temperature Drift
±0.3
ppm/°C
Zero Error,1 TMIN to TMAX
±0.4
±1.6
mV
Zero Temperature Drift
±0.3
ppm/°C
Power Supply Sensitivity
VDD = 5 V ± 5%
±0.05
LSB
AC ACCURACY
Signal-to-Noise Ratio
fIN = 1 kHz
88
91
dB2
Spurious-Free Dynamic Range
fIN = 1 kHz
−108
dB
Total Harmonic Distortion
fIN = 1 kHz
−106
dB
Signal-to-(Noise + Distortion)
fIN = 1 kHz
88
91
dB
Effective Number of Bits
fIN = 1 kHz
14.8
Bits
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 are referred to a full-scale input, FS. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
VDD = 2.7 V; VREF = 2.5 V; TA = −40°C to +85°C, unless otherwise noted.
Table 4.
Parameter
Conditions
Min
Typ
Max
Unit
ACCURACY
No Missing Codes
16
Bits
Integral Linearity Error
−3
±1
+3
LSB
Transition Noise
0.85
LSB
Gain Error,1 TMIN to TMAX
±2
±15
LSB
Gain Error Temperature Drift
±0.3
ppm/°C
Zero Error,1 TMIN to TMAX
±0.7
±3.5
mV
Zero Temperature Drift
±0.3
ppm/°C
Power Supply Sensitivity
VDD = 2.7 V ± 5%
±0.05
LSB
AC ACCURACY
Signal-to-Noise Ratio
fIN = 1 kHz
86
dB2
Spurious-Free Dynamic Range
fIN = 1 kHz
−100
dB
Total Harmonic Distortion
fIN = 1 kHz
−98
dB
Signal-to-(Noise + Distortion)
fIN = 1 kHz
86
dB
Effective Number of Bits
fIN = 1 kHz
14
Bits
1 See the Terminology section. These specifications do include full temperature range variation but do not include the error contribution from the external reference.
2 All specifications in dB are referred to a full-scale input, FS. Tested with an input signal at 0.5 dB below full scale, unless otherwise specified.


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