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參數(shù)資料
| 型號： | AD8219BRMZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 332K |
| 描述： | IC CURRENT MONITOR UNI-DIR 8MSOP |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 功能： | 電流監(jiān)控器 |
| 檢測方法： | 高端 |
| 精確度： | ±0.3% |
| 輸入電壓： | 4 V ~ 80 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-MSOP |
| 包裝： | 帶卷 (TR) |
AD8219
Rev. A | Page 3 of 12
SPECIFICATIONS
T
OPR
= 40癈 to +125癈, T
A
= 25癈, R
L
= 25 k? input common-mode voltage (V
CM
) = 4 V (R
L
is the output load resistor), unless
otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
GAIN
Initial
60
V/V
Accuracy
?.1
%
V
O
e 0.1 V dc, T
A
Accuracy over Temperature
?.3
%
T
OPR
Gain vs. Temperature
?
ppm/癈
TOPR
VOLTAGE OFFSET
Offset Voltage (RTI
1
)
?00
糣
25癈
Over Temperature (RTI
1
)
?00
糣
TOPR
Offset Drift
?00
nV/癈
TOPR
INPUT
Bias Current
2
130
糀
TA, input common mode = 4 V, VS = 4 V
220
糀
TOPR
Common-Mode Input Voltage Range
4
80
V
Common-mode continuous
Differential Input Voltage Range
3
0
83
mV
Differential input voltage
Common-Mode Rejection (CMRR)
94
110
dB
T
OPR
OUTPUT
Output Voltage Range Low
4
0.01
V
T
A
Output Voltage Range High
4
V
S
0.1 V
T
A
Output Impedance
2
?
DYNAMIC RESPONSE
Small Signal 3 dB Bandwidth
500
kHz
Slew Rate
1
V/約
NOISE
0.1 Hz to 10 Hz, (RTI
1
)
2.3
糣 p-p
Spectral Density, 1 kHz, (RTI
1
)
110
nV/Hz
POWER SUPPLY
Operating Range
4
80
V
VS input range
Quiescent Current Over Temperature
5
800
糀
Power Supply Rejection Ratio (PSRR)
100
110
dB
TOPR
TEMPERATURE RANGE
For Specified Performance
40
+125
癈
1
RTI = referred to input.
2
Refer to
for further information on the input bias current. This current varies based on the input common-mode voltage. Additionally, the input bias current
flowing to the +IN pin is also the supply current to the internal LDO.
Figure 8
3
The differential input voltage is specified as 83 mV maximum because the output is internally clamped to 5.6 V. See the Output
section.
Clamping
4
See
and
for further information on the output range of the AD8219 with various loads. The AD8219 output clamps to a maximum voltage of 5.6 V
when the voltage at Pin +IN is greater than 5.6 V. When the voltage at +IN is less than 5.6 V, the output reaches a maximum value of (V
S
100 mV).
Figure 19
Figure 20
5
VS (Pin 2) can be connected to a separate supply ranging from 4 V to 80 V, or it can be connected to the positive input pin (+IN) of the AD8219. In this mode, the
current drawn varies with increasing voltage. See
.
Figure 9
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