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AD7771BCPZ Datasheet(PDF) 7 Page - Analog Devices

Part # AD7771BCPZ
Description  8-Channel, 24-Bit, Simultaneous Sampling ADC
PDF  99 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7771BCPZ Datasheet(HTML) 7 Page - Analog Devices

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AD7771
Data Sheet
Rev. 0 | Page 6 of 98
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
TEMPERATURE RANGE
Specified Performance
TMIN to TMAX
−40
+105
°C
Functional2
TMIN to TMAX
−40
+125
°C
TEMPERATURE SENSOR
Accuracy
±2
°C
DIGITAL FILTER RESPONSE
Group Delay
See the SRC Group Delay section
Settling Time
See the Settling Time section
Pass Band
−0.1 dB
See the SRC Bandwidth section
−3 dB
See the SRC Bandwidth section
Decimation Rate
Sinc3
16
4095.99
Sinc5
16
2048
CLOCK SOURCE
Frequency
High resolution mode
0.655
8.192
MHz
Low power mode
1.3
4.096
MHz
Duty Cycle
45:55
50:50
55:45
%
Σ-Δ ADC
Speed and Performance
Resolution
24
Bits
ODR
High resolution mode
128
kSPS
Low power mode
32
kSPS
No Missing Codes
Sinc3, up to 24 kSPS
24
Bits
Sinc5
24
Bits
AC Accuracy
Dynamic Range
Shorted inputs, PGAGAIN = 1
128 kSPS
High resolution mode (sinc5)
95
dB
32 kSPS
High resolution mode (sinc5)
107
dB
16 kSPS
High resolution mode (sinc3)
105.9
dB
4 kSPS
High resolution mode (sinc3)
116
dB
32 kSPS
Low power mode (sinc5)
94.5
dB
8 kSPS
Low power mode (sinc5)
106.5
dB
8 kSPS
Low power mode (sinc3)
95.8
dB
2 kSPS
Low power mode (sinc3)
111.8
dB
Total Harmonic Distortion (THD)
−0.5 dBFS, high resolution mode
−109
dB
−0.5 dBFS, low power mode
−105
dB
Signal-to-Noise-and-Distortion Ratio
(SINAD)
fIN = 60 Hz
106
dB
Spurious-Free Dynamic Range
(SFDR)
High resolution mode, 16 kSPS,
PGAGAIN = 1
132
dB
Intermodulation Distortion (IMD)
fA = 50 Hz, fB = 51 Hz,
high resolution mode
−125
dB
fA = 50 Hz, fB = 51 Hz,
low power mode
−105
dB
DC Power Supply Rejection
AVDD1x = 3.3 V
−90
dB
DC Common-Mode Rejection Ratio
80
dB
Crosstalk
−120
dB
DC ACCURACY
Integral Nonlinearity (INL)
Endpoint method
High Resolution
PGAGAIN = 1
±8
±15
ppm of
FSR
Other PGA gains
±4
±15
ppm of
FSR



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