Datasheet Texas Instruments LM4950 — 数据表
| 制造商 | Texas Instruments |
| 系列 | LM4950 |
7.5W单声道BTL或3.1W立体声音频功率放大器
数据表
LM4950 7.5W Mono-BTL or 3.1W Stereo Audio Power Amplifier datasheet
PDF, 3.4 Mb, 修订版: E, 档案已发布: May 1, 2013
从文件中提取
价格
状态
| LM4950TS | LM4950TS/NOPB | LM4950TSX/NOPB | |
|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | Yes | No |
打包
| LM4950TS | LM4950TS/NOPB | LM4950TSX/NOPB | |
|---|---|---|---|
| N | 1 | 2 | 3 |
| Pin | 9 | 9 | 9 |
| Package Type | KTW | KTW | KTW |
| Industry STD Term | TO-263 | TO-263 | TO-263 |
| JEDEC Code | R-PSFM-G | R-PSFM-G | R-PSFM-G |
| Package QTY | 45 | 45 | 500 |
| Carrier | TUBE | TUBE | LARGE T&R |
| Device Marking | L4950TS | L4950TS | L4950TS |
| Width (mm) | 8.687 | 8.687 | 8.687 |
| Length (mm) | 10.16 | 10.16 | 10.16 |
| Thickness (mm) | 4.572 | 4.572 | 4.572 |
| Pitch (mm) | .965 | .965 | .965 |
| Max Height (mm) | 4.8 | 4.8 | 4.8 |
| Mechanical Data | 下载 | 下载 | 下载 |
参数化
| Parameters / Models | LM4950TS | LM4950TS/NOPB | LM4950TSX/NOPB |
|---|---|---|---|
| Analog Supply (V), Min | 16 | 16 | 16 |
| Architecture | Class AB | Class AB | Class AB |
| Control Interface | Hardware | Hardware | Hardware |
| Iq per channel(Typ), mA | 16 | 16 | 16 |
| Iq(Max), mA | 16 | 16 | 16 |
| Iq(Typ), mA | 16 | 16 | 16 |
| Load(Min), ohms | 4 | 4 | 4 |
| Operating Temperature Range, C | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Power, W | 7.5 | 7.5 | 7.5 |
| PSRR, dB | 70 | 70 | 70 |
| Package Group | DDPAK/TO-263 | DDPAK/TO-263 | DDPAK/TO-263 |
| Package Size: mm2:W x L, PKG | 9DDPAK/TO-263: 146 mm2: 14.35 x 10.16(DDPAK/TO-263) | 9DDPAK/TO-263: 146 mm2: 14.35 x 10.16(DDPAK/TO-263) | 9DDPAK/TO-263: 146 mm2: 14.35 x 10.16(DDPAK/TO-263) |
| Pin/Package | 9DDPAK/TO-263 | 9DDPAK/TO-263 | 9DDPAK/TO-263 |
| Rating | Catalog | Catalog | Catalog |
| Shutdown Current (ISD), uA | 40 | 40 | 40 |
| Speaker Channels, Max | Stereo | Stereo | Stereo |
| THD + N @ 1 kHz, % | 0.03 | 0.03 | 0.03 |
生态计划
| LM4950TS | LM4950TS/NOPB | LM4950TSX/NOPB | |
|---|---|---|---|
| RoHS | See ti.com | Compliant | Compliant |
| Pb Free | Yes | Yes |
应用须知
- Guidelines for Measuring Audio Power Amplifier PerformancePDF, 765 Kb, 档案已发布: Oct 30, 2001
This application note provides guidelines for measuring the date sheet parameters of Texas Instruments audio power amplifiers (APAs) using prefabricated evaluation modules (EVMs). The primary equipment used for the measurements consists of the System Two audio measurement system by Audio Precision , a digital multimeter (DMM), and a dc power supply. - AN-1849 An Audio Amplifier Power Supply Design (Rev. B)PDF, 1.9 Mb, 修订版: B, 档案已发布: May 1, 2013
This application report provides design information for a power supply for use with our newest offering of high-performance, ultra high-fidelity audio amplifier input stage ICs.
模型线
系列: LM4950 (3)
制造商分类
- Semiconductors> Audio> Mid-Power Audio Amplifiers (5-50W)> Analog Input Amplifiers