Si Photodiode Amplifier Hybrids (CLOSED Loop)

Silicon photodiodes are integrated with a low-noise Transimpedance Amplifier (TIA) in the same package. External feedback components allow adjustable gain and bandwidth control, enabling precise configuration for specific application needs.

Image	Datasheet	Model Number	Active Area [mm²]	Active Area Dimensions [mm]	Spectral Response Range [nm]	Responsivity @Peak [A/W]	Dark Current @10V [nA]	Shunt Resistance [MΩ]	Capacitance @10V [pF]	Package
	PDF	SD112-42-11-221	5.5	2.18 x 2.54	350 - 1100	0.64	-	67	-	TO-5
	PDF	SD112-43-11-221	5.5	2.18 x 2.54	350 - 1100	0.64	-	67	-	TO-5
	PDF	SD112-45-11-221	5.8	2.58 x 2.25	350 - 1100	0.67	0.5	5,000	-	TO-5

Photodiode Amplifier Hybrid Electro-Optical Specifications (Typical at 23ºC)

Image	Datasheet	Model Number	Supply Voltage [±V]	Supply Curent [mA]	Input Offset Voltage [mV]	Temp. Coefficient I/P Offset Voltage [µV/°C]	Input Bias Current [±pA]	Gain Bandwidth Product [MHz]	Slew Rate [V/µs]	DC Gain [V/mV]
	PDF	SD112-42-11-221	15	6.2	1	10	15	21	140	76
	PDF	SD112-43-11-221	15	6.2	1	10	15	21	140	76
	PDF	SD112-45-11-221	16	0.55	0.15	1.0	0.01	1.3	1.5	400

Operational Amplifier Specification (Typical at 23ºC)

Image	Datasheet	Model Number	Cutoff Frequency [KHz]	Transimpedance Gain [MΩ]	Sensitivity [V/W]	Output Offset Voltage [±mV]	Broadband Noise [uVrms]
	PDF	SD112-42-11-221	750	0.1	6.3x10⁴	1	60
	PDF	SD112-43-11-221	1	75	4.9x10⁷	3	20
	PDF	SD112-45-11-221	0.13	600	2.8x10⁸	0.08	52

Detector Amplifier Gain and Bandwidth at T=23°C, unless otherwise specified

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