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ADA4352-2ACPZ-R7 データシート(PDF) 32 Page - Analog Devices

部品番号 ADA4352-2ACPZ-R7
部品情報  Compact, Dual-Channel, Precision, Programmable Gain Transimpedance Amplifier (PGTIA) with Integrated Gain Resistors
PDF  47 Pages
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
Logo AD - Analog Devices

ADA4352-2ACPZ-R7 データシート(HTML) 32 Page - Analog Devices

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Data Sheet
ADA4352-2
analog.com
Rev 0
32 of 47
Figure 71. Typical Gain Transimpedance Amplifier with Error due to RON
Figure 72. Switched Gain Transimpedance Amplifier with Kelvin Switching
Maximum Linear Input Current Range
Most photodiode PGTIA applications operate in a single supply configuration (see Figure 73). Even though ADA4352-
2 input pins can swing all the way to ground, the output stage requires at least 0.1 V from either of the supplies to
maintain specified linearity.
Figure 73. Maximum Linear Output Voltage
RF2
iin
IIN
RF3
VOUT = IIN × (RF0 + RON)
RF0
RF1
ADA4352-2
GAIN RESISTOR NETWORK
KELVIN
SWITCH
NETWORK
OUT
½
RF2 = 40.2kΩ
RF3 = 450kΩ
RF0 = 315Ω
RF1 = 3.5kΩ
IIN
SWITCH
RON
SWITCH
RON
1NO CURRENT THROUGH RIGHT SIDE SWITCH
1
ADA4352-2
GAIN RESISTOR NETWORK
KELVIN
SWITCH
NETWORK
OUT
–VB
IIN
VCM
½
PD
5V
VOUT = VCM + IIN × RF0
RF2 = 40.2kΩ
RF3 = 450kΩ
RF0 = 315Ω
RF1 = 3.5kΩ



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