AD7779_16 Datasheet, PDF (8/101 Pages) Analog Devices – 8-Channel, 24-Bit, Simultaneous Sampling ADC

Data Sheet
Parameter
TEMPERATURE RANGE
Specified Performance
Functional²
TEMPERATURE SENSOR
Accuracy
DIGITAL FILTER RESPONSE
(SINC3)
Group Delay
Test Conditions/Comments
Reference buffer enabled,
high resolution mode
Reference buffer enabled,
low power mode
TMIN to TMAX
TMIN to TMAX
Settling Time
Pass Band
−0.1 dB
−3 dB
Decimation Rate
CLOCK SOURCE
Frequency
Duty Cycle
Σ-Δ ADC
Speed and Performance
Resolution
ODR
No Missing Codes
AC Accuracy
Dynamic Range
16 kSPS
4 kSPS
1 kSPS
THD
SINAD
SFDR
Intermodulation Distortion
(IMD)
DC Power Supply Rejection
DC Common-Mode
Rejection Ratio
Crosstalk
High resolution mode
Low power mode
High resolution mode
Low power mode
High resolution mode
Low power mode
Shorted inputs, PGAGAIN = 1
High resolution mode
High resolution mode
Low power mode
Low power mode
−0.5 dBFS, high resolution mode
−0.5 dBFS, low power mode
fIN = 60 Hz
High resolution mode, 16 kSPS,
PGAGAIN = 1
fA = 50 Hz, fB = 51 Hz, high
resolution mode
fA = 50 Hz, fB = 51 Hz, low power
mode
AVDD1x = 3.3 V
Min
−40
−40
128
64
0.655
1.3
45:55
24
24
80
Typ
Max
10
5
+105
+125
±2
See the SRC Group
Delay section
See the Settling
Time section
See the SRC
Bandwidth section
See the SRC
Bandwidth section
4095.99
4095.99
50:50
8.192
4.096
55:45
16
8
108
116
106
116
−109
−105
106
132
−125
−105
−90
−120
AD7779
Unit
nA/V
nA/V
°C
°C
°C
MHz
MHz
%
Bits
kSPS
kSPS
Bits
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Rev. A | Page 7 of 100