AD7192 Analog Devices, AD7192 Datasheet - Page 5

• Manufacturer Part Number: AD7192
• Description: 4.8 kHz Ultra-Low Noise 24-Bit Sigma-Delta ADC with PGA
• Manufacturer: Analog Devices

Specifications of AD7192

• Resolution (bits): 24bit
• # Chan: 4
• Sample Rate: 4.8kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni,SE-Bip,SE-Uni
• Ain Range: ± (Vref/Gain)
• Adc Architecture: Sigma-Delta
• Pkg Type: SOP

Parameter
TEMPERATURE SENSOR
BRIDGE POWER-DOWN SWITCH
BURNOUT CURRENTS
DIGITAL OUTPUTS (P0 to P3)
INTERNAL/EXTERNAL CLOCK
LOGIC INPUTS
LOGIC OUTPUT (DOUT/RDY)
Average Reference Input Current
Normal Mode Rejection
Common-Mode Rejection
Reference Detect Levels
Accuracy
Sensitivity
R
Allowable Current
AIN Current
Output High Voltage, V
Output Low Voltage, V
Output High Voltage, V
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output
Internal Clock
External Clock/Crystal
Input High Voltage, V
Input Low Voltage, V
Hysteresis
Input Currents
Output High Voltage, V
Output Low Voltage, V
Output High Voltage, V
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output
Data Output Coding
ON
Capacitance
Frequency
Duty Cycle
Frequency
Input Low Voltage V
Input High Voltage, V
Input Current
Capacitance
Drift
2
2
INL
INH
OL
OL
OL
OL
INL
2
OH
OH
OH
OH
2
INH
2
2
2
2
2
2
AD7192B
±0.03
±1.3
Same as for analog inputs
100
0.3
0.6
±2
2815
10
30
500
AV
0.4
4
0.4
±100
10
4.92 ± 4%
50:50
4.9152
2.4576/5.12
0.8
0.4
2.5
3.5
±10
2
0.8
0.1/0.25
±10
DV
0.4
4
0.4
±10
10
Offset binary
DD
DD
− 0.6
− 0.6
Rev. A | Page 5 of 40
Unit
nA/V/°C typ
nA/V/°C typ
dB typ
V min
V max
°C typ
Codes/°C typ
Ω max
mA max
nA nom
V min
V max
V min
V max
nA max
pF typ
MHz min/max
% typ
MHz nom
MHz min/max
V max
V max
V min
V min
μA max
V min
V max
V min/V max
μA max
V min
V max
V min
V max
μA max
pF typ
Test Conditions/Comments
External clock.
Internal clock.
Applies after user calibration at 25°C.
Bipolar mode.
Continuous current.
Analog inputs must be buffered and chop
disabled.
AV
AV
AV
AV
DV
DV
DV
DV
DV
DV
DV
DV
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 3 V, I
= 3 V, I
= 5 V, I
= 5 V, I
= 5 V.
= 3 V.
= 3 V.
= 5 V.
= 3 V, I
= 3 V, I
= 5 V, I
= 5 V, I
SOURCE
SINK
SOURCE
SINK
SOURCE
SINK
SOURCE
SINK
= 100 μA.
= 800 μA.
= 100 μA.
= 1.6 mA.
= 100 μA.
= 200 μA.
= 100 μA.
= 200 μA.
1
AD7192