ad8218brmz-rl Analog Devices, Inc., ad8218brmz-rl Datasheet - Page 3

• Manufacturer Part Number: ad8218brmz-rl
• Description: Zero Drift, Bidirectional Current Shunt Monitor Ad8218
• Manufacturer: Analog Devices, Inc.

SPECIFICATIONS
T
otherwise noted.
Table 1.
Parameter
GAIN
VOLTAGE OFFSET
INPUT
OUTPUT
INTERNAL REFERENCE (ENB PIN CONNECTED TO GND)
REFERENCE INPUT (REF, PIN 7)
DYNAMIC RESPONSE
NOISE
POWER SUPPLY
TEMPERATURE RANGE
1
2
3
4
RTI = referred to input.
Refer to Figure 8 for more information on the input bias current. This current varies based on the input common-mode voltage. The input bias current flowing to the
+IN pin is also the supply current to the internal LDO.
The differential input voltage is specified as 250 mV because the output is internally clamped to 5.2 V. This ensures that the output voltage does not exceed the typical
ADC input range, preventing damage. The AD8218 can survive up to ±5 V differentially but will only amplify ~250 mV correctly due to the output clamping function.
RTO = referred to output.
OPR
Initial
Offset Voltage (RTI
Over Temperature (RTI
Offset Drift
Bias Current
Output Voltage Range Low
Output Voltage Range High
Output Impedance
Initial Value
Offset (RTI
Offset Drift (RTO
Input Impedance
Input Current
Input Voltage Range
Input-to-Output Gain
Small-Signal −3 dB Bandwidth
Slew Rate
0.1 Hz to 10 Hz (RTI
Spectral Density, 1 kHz (RTI
Operating Range (Pin 2 Floating)
V
Quiescent Current over Temperature
Power Supply Rejection Ratio (PSRR)
For Specified Performance
S
Accuracy
Accuracy over Temperature
Gain vs. Temperature
Common-Mode Input Voltage Range
Differential Input Voltage Range
Common-Mode Rejection (CMRR)
= −40°C to +125°C, T
Range (Pin 2)
1
)
2
4
)
1
1
)
)
1
)
A
1
= 25°C, R
)
3
L
= 25 kΩ (R
L
is the output load resistor), input common-mode voltage (V
Min
4
0
90
0.01
−150
3
0
4
4
90
−40
Rev. A | Page 3 of 16
Typ
20
±0.1
±5
±100
130
110
2
80
±10
1.5
1 ± 0.0001
450
1
2.3
110
110
Max
±0.35
±200
±300
220
80
250
V
+150
60
5
80
5.5
800
+125
S
− 0.1
Unit
V/V
%
%
ppm/°C
µV
µV
nV/°C
µA
µA
V
mV
dB
V
V
Ω
mV
µV
µV/°C
MΩ
µA
V
V/V
kHz
V/µs
µV p-p
nV/√Hz
V
V
µA
dB
°C
Power regulated from common mode,
V
Test Conditions/Comments
V
T
T
25°C
T
T
T
T
Common-mode continuous
Differential input voltage
T
T
Voltage at OUT with a differential input of
0 V and a common-mode input of 4 V
V
Dependent on V
ENB not connected to GND
V
supply is used
Throughout input common mode
T
OPR
OPR
OPR
OPR
A
OPR
OPR
A
OPR
O
S
S
S
, input common mode = 4 V, V
= NC or V
pin floating
must be less than 5.5 V if standalone
≥ 0.1 V dc, T
, input common mode = 4 V, V
S
= 5 V
CM
A
) = 4 V, unless
REF
/1.5 MΩ
AD8218
S
= 4 V
S
= 4 V