The SQOB1228P is a high dynamic range optical receiver block with amplifier circuits. It has a single-mode optical input suitable for 1100 to 1650 nm wavelengths, a terminal to monitor the photo diode current and an electrical output having a characteristic impedance of 75 Ω.
The device package is complied with standard SOT-115 where the non-jacketed fiber has an SC/APC or FC/APC connector.
The amplifier supply voltage pin and the photo diode bias voltage pin both connect to 24 V (DC).
Features
l 28dBmV Output Level @ 0dBm Optical Input
l 24 V DC Bias
l Excellent Linearity
l Extremely Low noise
l Excellent flatness
l Standard CATV outline
l Rugged construction
l Gold metallization ensures excellent reliability
l High optical input power range
Applications
l CATV optical node systems operating in the 45 to 1200 MHz frequency range.
Specifications: T = +25 °C, V = 24 V, Z = 75 Ω
Parameter | Units | Min. | Typ. | Max. | Test Conditions |
Optical Wavelength | nm | 1100 | - | 1650 |
|
Frequency Range | MHz | 45 | - | 1200 |
|
Responsivity | V/W | 750 | - | - | λ = 1310 nm, SC/APC or FC/APC |
Optical Input Return Loss | dB | - | 45 | - | |
Equivalent Noise Input | pA/√Hz | - | 10 | - | 45 - 1200 MHz |
Spectral Sensitivity | A/W | 0.85 0.90 | - | - | λ = 1310 ± 20 nm λ = 1550 ± 20 nm |
RF Output Level | dBmV | - | 28 | - | 0 dBm Optical Input |
Slope | dB | - | 1.4 |
| 45 - 1200 MHz |
Flatness | dB | - | - | ±0.5 | 45 - 1200 MHz |
Output Return Loss | dB | - | 16 | - | 45 - 1200 MHz |
Total Current Consumption (DC) | mA | - | 265 | 280 | + 24 V |
Photo Diode Bias Current (DC) | mA |
| 20 |
| + 24 V |
Length of Optical Fiber | mm |
| 1000 |
| Fiber: SM Type; 9/125 µm |
Handling Procedures
Please observe the following precautions to avoid damage:
Fiberglass optical coupling
Maximum tensile strength = 5 N. Minimum bending radius = 35 mm.
Static Sensitivity
Gallium Arsenide Integrated Circuits are sensitive to electrostatic discharge (ESD) and can be damaged by static electricity. Proper ESD control techniques should be used when handling these devices.
Absolute Maximum Ratings
Parameter | Unit | Rating |
Optical Input Power (Continues) | mW | 5 |
DC Supply Over-Voltage (5 minutes) | V | 30 |
Storage Temperature | °C | - 40 to +100 |
Operating Mounting Base Temperature | °C | - 30 to +85 |
Caution! ESD sensitive device. RoHS
Alarm: Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied.
Package Drawing (Dimensions in millimeters)
Pinning:
PIN | Description |
1 | Monitor Current |
2 | Common |
3 | Common |
4 | +VB of the photo diode |
5 | +VB of the amplifier |
7 | Common |
8 | Common |
9 | Output |
Simplified Outline
Type | Simplified Outline |
SQOB1228P with SC/APC connector | |
SQOB1228P with FC/APC connector |
Description | Part Number |
SQOB1228P Optical Receiver Block, with SC/APC Connector | 9945000003 |
SQOB1228P Optical Receiver Block, with FC/APC Connector | 9945000004 |
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