AD7190BRUZ Analog Devices Inc, AD7190BRUZ Datasheet - Page 4

• Manufacturer Part Number: AD7190BRUZ
• Description: IC ADC 2CH 24BIT W/PGA 24TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7190BRUZ

• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Design Resources: Precision Weigh Scale Design Using AD7190 with Internal PGA (CN0102)
• Number Of Bits: 24
• Sampling Rate (per Second): 4.8k
• Number Of Converters: 1
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP (0.173", 4.40mm Width)
• Resolution (bits): 24bit
• Sampling Rate: 4.8kSPS
• Input Channel Type: Pseudo Differential
• Supply Voltage Range - Analog: 4.75V To 5.25V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7190
Parameter
ANALOG INPUTS
REFERENCE INPUT
Differential Input Voltage Ranges
Absolute AIN Voltage Limits
Analog Input Current
Unbuffered Mode
REFIN Voltage
Reference Voltage Range
Absolute REFIN Voltage Limits
Average Reference Input Current
Average Reference Input Current
External Clock
Sinc
Internal Clock
External Clock
Unbuffered Mode
Buffered Mode
Buffered Mode
Input Current
Input Current Drift
Drift
@ 50 Hz, 60 Hz
@ 50 Hz
@ 60 Hz
@ 50 Hz, 60 Hz
@ 50 Hz
@ 60 Hz
@ 50 Hz, 60 Hz
@ 50 Hz
@ 60 Hz
Input Current
Input Current Drift
3
Filter
2
2
2
2
AD7190B
120
82
120
120
75
60
70
70
100
67
95
95
±V
±(AV
AGND − 50 mV
AV
AGND + 250 mV
AV
±2
±3
±5
±5
±1
±0.05
±1.6
AV
1
AV
AGND – 50 mV
AV
7
±0.03
1.3
DD
DD
DD
DD
DD
REF
DD
/gain
+ 50 mV
− 250 mV
+ 50 mV
– 1.25 V)/gain
Rev. B | Page 4 of 40
Unit
dB min
dB min
dB min
dB min
dB min
dB min
dB min
dB min
dB min
dB min
dB min
dB min
V nom
V min/max
V min
V max
V min
V max
nA max
nA max
pA/°C typ
μA/V typ
μA/V typ
nA/V/°C typ
nA/V/°C typ
V nom
V min
V max
V min
V max
μA/V typ
nA/V/°C typ
nA/V/°C typ
Test Conditions/Comments
10 Hz output data rate, 50 ± 1 Hz, 60 ± 1 Hz.
50 Hz output data rate, REJ60
50 ± 1 Hz, 60 ± 1 Hz.
50 Hz output data rate, 50 ± 1 Hz.
60 Hz output data rate, 60 ± 1 Hz.
10 Hz output data rate, 50 ± 1 Hz, 60 ± 1 Hz.
50 Hz output data rate, REJ60 = 1,
50 ± 1 Hz, 60 ± 1 Hz.
50 Hz output data rate, 50 ± 1 Hz.
60 Hz output data rate, 60 ± 1 Hz.
10 Hz output data rate, 50 ± 1 Hz, 60 ± 1 Hz.
50 Hz output data rate, REJ60
50 ± 1 Hz, 60 ± 1 Hz.
50 Hz output data rate, 50 ± 1 Hz.
60 Hz output data rate, 60 ± 1 Hz.
V
gain = 1 to 128.
Gain > 1.
Gain = 1.
Gain > 1.
Gain = 1, input current varies with input
voltage.
Gain > 1.
External clock.
Internal clock.
REFIN = REFINx(+) − REFINx(−).
The differential input must be limited to
± (AV
External clock.
Internal clock.
REF
= REFINx(+) − REFINx(−),
DD
– 1.25 V)/gain when gain > 1.
1
7
7
= 1,
= 1,