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参数资料
| 型号： | TS4604IPT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.065 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO28 |
| 封装： | 0.65 MM PITCH, ROHS COMPLIANT, TSSOP-28 |
| 文件页数： | 9/31页 |
| 文件大小： | 644K |
| 代理商： | TS4604IPT |
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TS4604
Application information
Doc ID 17913 Rev 1
17/31
6
Application information
6.1
General description
The TS4604 is a stereo headset driver and a ground-referenced stereo audio line driver. To
save energy, each audio path, line driver or headphone can be independently set to standby
mode.
The headphone delivers up to 100 mW into a 16
Ω load, and the line driver drives up to
2 Vrms into 5k or more. The gain can be set up to 20 dB by changing the values of the
external gain resistors.
The outputs of the headphone and line driver are protected against overloads. Overloads
can occur when the outputs are short-circuited between them or to Gnd or to VCC. There is
also an internal thermal shutdown activated at 150°C (typical) and deactivated at 120°C
(typical).
To remove the bulky output DC blocking capacitor and maximize the output swing of the
amplifier, the TS4604 embeds a low noise internal negative supply. All amplifiers are
supplied between a positive voltage +Vp and a negative voltage -Vn. With this architecture,
the output voltage is centered on 0 V, allowing the swing of the output voltage between the
positive and negative rail, as depicted in Figure 45.
Both the line driver and headset driver use this architecture.
Figure 45.
TS4604 voltage for one channel
Note:
The PVSSHP and PVSSLD voltages are generated internally by the internal negative
supply. To avoid damage to the TS4604, do not connect an external power supply on
the PVSSHP and PVSSLD pins.
0 V
Vreg
Vcc
+Vp
-Vn
-
+
+Vp
-Vn
In+
In-
Out
Negative
supply
AM06139
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相关代理商/技术参数 |
参数描述 |
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| TS461 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:OUTPUT RAIL TO RAIL OPERATIONAL AMPLIFIERS |
| TS461_05 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Output Rail-to-Rail Operational Amplifiers |
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| TS461CD | 功能描述:运算放大器 - 运放 Single Rail-to-Rail RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| TS461CD | 制造商:STMicroelectronics 功能描述:IC OP AMP RRO/P SMD SOIC8 461 |
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