![]() | |||
| PartNumber | NJM2777V-TE1 | NJM2781RB1-TE1 | NJM2781RB1-TE2 |
| Description | Audio Amplifiers HdPhn w/ Volume | Microphone Preamplifiers Monaural Mic Amplifier | Microphone Preamplifiers Monaural Mic Amp |
| Manufacturer | NJR | NJR | NJR |
| Product Category | Audio Amplifiers | Microphone Preamplifiers | Microphone Preamplifiers |
| RoHS | Y | Y | Y |
| Series | NJM2777 | NJM2781 | NJM2781 |
| Product | Audio Amplifiers | Microphone Preamplifiers | Microphone Preamplifiers |
| Class | Class-AB | Class-AB | Class-AB |
| Output Power | 200 mW | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Type | 2-Channel Stereo | - | - |
| Package / Case | SSOP-14 | TVSP-8 | TVSP-8 |
| Audio Load Impedance | 100 Ohms | 9 kOhm | 9 kOhm |
| THD plus Noise | 0.1 % | 0.025 % | 0.025 % |
| Supply Voltage Max | 10 V | 4.5 V | 4.5 V |
| Supply Voltage Min | 8 V | 2.7 V | 2.7 V |
| Minimum Operating Temperature | - 20 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 75 C | + 85 C | + 85 C |
| Packaging | Reel | Reel | Reel |
| Description/Function | Headphone | - | - |
| Height | 1.15 mm | 0.85 mm | 0.85 mm |
| Input Type | Single | - | - |
| Length | 5 mm | 2.9 mm | 2.9 mm |
| Output Type | 2-Channel Stereo | 1-Channel Mono | 1-Channel Mono |
| Supply Type | Single | Single | Single |
| Width | 4.4 mm | 2.8 mm | 2.8 mm |
| Brand | NJR | NJR | NJR |
| Gain | 0 dB | 25 dB | 25 dB |
| Number of Channels | 2 Channel | 1 Channel | 1 Channel |
| Supply Current Max | 8 mA | - | - |
| Operating Supply Current | 5 mA | 1.8 mA | 1.8 mA |
| Operating Supply Voltage | 9 V | 2.8 V | 2.8 V |
| Output Signal Type | Single | Single | Single |
| Pd Power Dissipation | 440 mW | 320 mW | 320 mW |
| Product Type | Audio Amplifiers | Microphone Preamplifiers | Microphone Preamplifiers |
| PSRR Power Supply Rejection Ratio | 70 dB | 80 dB | 80 dB |
| Factory Pack Quantity | 2000 | 2000 | 2000 |
| Subcategory | Audio ICs | Audio ICs | Audio ICs |
| Tradename | NJM277 | NJM278 | NJM278 |
| Unit Weight | 0.004296 oz | - | - |