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| Home > Semiconductor > Audio & Video ICs > NJM2149 |
| Audio & Video ICs |
NJM2149
Low Voltage Audio Power Amplifier
Features
- Operating Voltage (+2 to +6V)
- Operating Current (2.2mA typ.，at V+=3V)
- Supply Current in Power Down Mode (0.1µA typ)
- Output Power Exceeds250mW (V+=6V，RL=32Ω)
- Gain Range (GVD=0-43dB，Voise Band)
- Load Impedance (RL=8-200Ω)
- Bipolar Technology
- Package Outline (DIP8，DMP8，SSOP8
，MSOP8 (TVSP8) *MEET JEDEC MO-187-DA / THIN TYPE
，MSOP8 (VSP8) *MEET JEDEC MO-187-DA)
General Description
The NJM2149 is an audio power amplifier designed for telephone applications. No external coupling capacitors are required because of the differential outputs. The closed loop gain is adjusted by two external resistors，and a CD pin permit powering down with muting the input signal. The NJM2149 improves the turn noise reduction in switching Power Down mode and external high band noise reduction，compared with NJM2135. It is suitable for portable telephone ，wireless telephone，button telephone，and other speaker amplifier applications. Package Information
| Part Number | Package Outline | Pins | Material Declaration (RoHS/Halogen) | Terminal Finish | Weight(mg) (Reference) | Reflow soldering | Flow soldering | Iron soldering | Packing Condition | MSL | Solder Foot Print |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NJM2149D |  DIP8 | 8 |  | Sn2Bi | 510 | - | Yes | Yes | Non dry pack | - | - |
| NJM2149M | DMP8 | 8 | | Sn2Bi | 95 | Yes | Yes | Yes | Non dry pack | 1 | |
| NJM2149V | SSOP8 | 8 | | Sn2Bi | 42 | Yes | Yes | Yes | Non dry pack | 1 | |
| NJM2149RB1 | MSOP8(TVSP8) | 8 | | Sn2Bi | 18 | Yes | Yes | Yes | Non dry pack | 1 | |
| NJM2149R | MSOP8(VSP8) | 8 | | Sn2Bi | 21 | Yes | Yes | Yes | Non dry pack | 1 | |
Sample & Buy
| Part Number | Packages | Status | Packing Specification | Sample | Buy |
|---|---|---|---|---|---|
| NJM2149D | DIP8 | (Active) | |  |  |
| NJM2149M | DMP8 | (Active) | |  | |
| NJM2149V | SSOP8 | (Active) | | | |
| NJM2149RB1 | MSOP8(TVSP8) | (Active) | | | |
| NJM2149R | MSOP8(VSP8) | (Active) | | | |
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