1234
Pin Function
| No. | Pin Name | I/O |
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A | 1 | AGC22 | O | AGC response setting pin |
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| 2 | AGC21 | O | Charging current control pin | |||
| 3 | VCCI | − | Power supply of the input section | |||
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| 4 | SIS | I | Electric shunt input pin |
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| 5 | GNDI | − | GND of the input section |
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| 6 | IN | I | Photodiode input signal pin | |||
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| 7 | NC | − | Non connection |
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| 8 | NC | − | Non connection |
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| 9 | NC | − | Non connection |
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| 10 | AGC13 | I | AGC amplifier input pin |
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11 | AGC12 | O | Input AGC response setting pin | ||||
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| 12 | AGC11 | O | Charging current control pin | |||
| 13 | GNDS | − | GND of the signal processing section | |||
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| 14 | NC | − | Non connection |
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| 15 | RSET | O | Resistor connection pin for power supply setting | |||
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| 16 | ADJ | O | Resistor connection pin for power supply setting for filter Adjust the center frequency of the BPF. | |||
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| 17 | NC | − | Non connection |
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| 18 | F_H | I | Filter switching pin Switch the H/L, BPF, Full BPF. H/L BPF: 3 to 4.5MHz, Full BPF: 3 to 6MHz | |||
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| F_H (pin 18) | Mode |
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| L | FULL (3 to 6MHz) |
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| H | H/L (3 to 4.5MHz) |
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| 19 | NC | − | Non connection |
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| 20 | NC | − | Non connection |
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| 21 | NC | − | Non connection |
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| 22 | VCCS | − | Power supply for signal processing section | |||
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| 23 | VCCO | − | Power supply for output section | |||
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| 24 | OUT | O | Signal output pin |
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| 25 | DET | O | Output pin for input level detection | |||
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| 26 | GNDO | − | GND for output section |
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| 27 | AGC24 | O | AGC amplifier output pin |
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28 | AGC23 | I | AGC amplifier input pin |
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E
F
50
1 | 2 |
3 | 4 |