TOPR = 40°C to +125°C, V+ = 5 V or 3.3 V, u" />
參數(shù)資料
型號(hào): AD8207WBRZ-R7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 10/16頁(yè)
文件大?。?/td> 0K
描述: IC AMP 65V DIFF BIDIRECT 8SOIC
標(biāo)準(zhǔn)包裝: 1,000
放大器類型: 零漂移
電路數(shù): 1
轉(zhuǎn)換速率: 1 V/µs
-3db帶寬: 150kHz
電壓 - 輸入偏移: 100µV
電流 - 電源: 2.5mA
電壓 - 電源,單路/雙路(±): 3.3 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SO
包裝: 帶卷 (TR)
AD8207
Rev. 0 | Page 3 of 16
SPECIFICATIONS
TOPR = 40°C to +125°C, V+ = 5 V or 3.3 V, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
GAIN
Initial
20
V/V
Accuracy over Temperature
0.3
+0.3
%
TOPR
Gain vs. Temperature
15
0
ppm/°C
TOPR
VOLTAGE OFFSET
Offset Voltage (RTI)1
±100
μV
25°C
Over Temperature (RTI)1
±400
μV
TOPR
Offset Drift
1
+1
μV/°C
TOPR
INPUT
Input Impedance
Differential
240
Common Mode
126
Input Voltage Range
4
+65
V
Common mode, continuous, V+ = 5 V, TOPR
4
+35
V
Common mode continuous, V+ = 3.3 V, TOPR
250
mV
Differential2, V+ = 5 V
Common-Mode Rejection (CMRR)
80
90
dB
TOPR, f = dc to 20 kHz
OUTPUT
Output Voltage Range
0.02
V+ 0.05
V
RL = 25 kΩ, TOPR
Output Resistance
2
Ω
DYNAMIC RESPONSE
Small-Signal 3 dB Bandwidth
150
kHz
TOPR
Slew Rate
1
V/μs
NOISE
0.1 Hz to 10 Hz, (RTI)1
20
μV p-p
Spectral Density, 1 kHz, (RTI)1
0.6
μV/√Hz
OFFSET ADJUSTMENT
Ratiometric Accuracy3
0.497
0.503
V/V
Divider to supplies, TOPR
Accuracy (RTO)4
±3
mV/V
Voltage applied to VREF1 and VREF2 in parallel,
TOPR
Output Offset Adjustment Range
0.02
V+ 0.05
V
TOPR
VREF Input Voltage Range5
0.0
V+
V
VREF Divider Resistor Values
100
POWER SUPPLY
Operating Range
4.5
5.5
V
RANGE (Pin 4) connected to GND6
3.3
4.5
V
RANGE (Pin 4) connected to V+7
Quiescent Current over Temperature
2.5
mA
VO = 0.1 V dc
Power Supply Rejection Ratio (PSRR)
80
dB
TEMPERATURE RANGE
For Specified Performance
40
+125
°C
1 RTI = referred to input.
2 Input voltage range = ±125 mV with half-scale offset. The input differential range also depends on the supply voltage. The maximum input differential range can be
calculated by V+/20.
3 The offset adjustment is ratiometric to the power supply when VREF1 and VREF2 are used as a divider between the supplies.
4 RTO = referred to output.
5 The reference pins should be driven with a low impedance voltage source to maintain the specified accuracy of the AD8207.
6 With a 4.5 V to 5.5 V supply, the RANGE pin should be tied low. In this mode, the common-mode range of the AD8207 is 4 V to +65 V.
7 With a 3.3 V to 4.5 V supply, the RANGE pin should be tied to V+. In this mode, the common-mode range of the AD8207 is 4 V to +35 V. If a 4.5 V supply is used, the
user can tie RANGE high or low depending on the common-mode range needed in the application.
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