OPA847 Photodiode Transimpedance Amplifier IV Conversion Circuit APD PIN High Speed Photodetection TIA Amplifier Board

TIA Amplifier Board
$20.00
4 sold
Supplier Type : ODM
Cross Reference : None
Media Available : Range 0~±100uA 12KV/A
Quantity
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Description
OPA847 Photodiode Transimpedance Amplifier IV Conversion Circuit APD PIN High Speed Photodetection TIA Amplifier Board
Product Description
OPA847 transimpedance amplifier is a high-speed and high-bandwidth IV conversion circuit, usually used in pulse light conversion and some weak current detection places. The minimum current resolution of the module is 0.1nA. The module has an analog signal bandwidth better than 100M, compatible and adaptable to most photodiodes PD and avalanche diodes APD. The main chip of the module is TI's high-bandwidth core OPA847. The operational amplifier has the characteristics of extremely high bandwidth and low bias current. Modules are usually used for high-speed photodetection, light pulse detection and fluorescent substance detection, etc.
Specification
item
value
Module model
OPA847 transimpedance amplifier
Module Type
Current to Voltage Amplifier
Module power supply voltage
±5V (TYP), ±6V (MAX)
Module power supply current
± 20mA
Input signal form
single-ended current
Input current range
300uA (MAX), different feedback resistances correspond to different maximum currents
Minimum resolution of input current
0. 1nA
Input frequency range
DC- 80MHz (large feedback resistance means smaller bandwidth)
Input impedance
12K ohm
Output voltage range
6Vpp (MAX), the output voltage is within the power supply
Output current
± 5mA (MAX)
Module output voltage
Vout=Iin*R1
Module weight
10g
Module protection
power reverse connection protection
Module specification
41*37*7mm (length * width * height-PCB size)
Module heating
no heat sink (no heat dissipation required for normal operation)
Module heating factor
excessive supply voltage damages the chip or the module is damaged
Module working temperature: 
-25°C~+75*C (industrial grade)
Module features
output positive and negative power LED indication, low bias current
Application range
photoelectric detector, data acquisition front end, weak signal detection, etc.
Module interface type
SMA signal input and output, 3.81-3PIM power card line socket.
Installation Instructions

Title goes here.

(1) The power supply of the module is a positive and negative dual power supply, and the voltage cannot exceed 6V.
(2) Since the module is a high-precision device, in order to avoid unnecessary interference, it is recommended to use a linear power supply.
(3) For output signal, it is recommended to use good wire to input and output signals to ensure good grounding. You can use an oscilloscope or voltmeter to observe the effect. Poor contact or poor-quality wires may cause signal attenuation or excessive noise.

Module test chart

Since the module is powered positively and negatively, the direction of the photocurrent can be positive or negative. The second test method.
Adopt our AD500-8 avalanche diode, with APD special bias power supply, provide APD bias voltage, desktop function signal generator generates 1K AC sine wave signal directly Drive light-emitting diodes to produce alternating light signals, and avalanche diodes to produce alternating light signals Converted into a current signal input module, the module converts the photocurrent into a voltage signal. effect .The results are shown in Figure.
Photocell adapter board
Module application: PD, PIN, APD, photocell, photoelectric tube with pigtail
Module weight: 5.9g Module size: 22*22mm Positioning hole size: 3mm
Need to weld by themselves according to your own usage, and the default delivery is empty board parts.
Details Images