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參數(shù)資料
| 型號(hào)： | TS2012IQT |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 音頻／視頻放大 |
| 英文描述： | 2.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20 |
| 封裝： | 4 X 4 MM, ROHS COMPLIANT, QFN-20 |
| 文件頁(yè)數(shù)： | 17/30頁(yè) |
| 文件大小： | 384K |
| 代理商： | TS2012IQT |
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Application information
TS2012
24/30
4.6
Wake-up time (twu)
When the standby is released to set the device ON, there is a delay of 1ms typically. The
TS2012 has an internal digital delay that mutes the outputs and releases them after this
time in order to avoid any pop noise.
Note:
The gain increases smoothly (see Figure 44) from the mute to the gain selected by the G1
and G0 pin (Section 4.2).
4.7
Shutdown time
When the standby command is set, the time required to set the output stage considered into
high impedance and to put the internal circuitry in shutdown mode, is typically 1ms. This
time is used to decrease the gain and avoid any pop noise during shutdown.
Note:
The gain decreases smoothly until the outputs are muted (see Figure 44).
4.8
Consumption in shutdown mode
Between the shutdown pin and GND there is an internal 300k
Ω (+-/20%) resistor. This
resistor forces the TS2012 to be in shutdown when the shutdown input is left floating.
However, this resistor also introduces additional shutdown power consumption if the
shutdown pin voltage is not 0V.
With a 0.4V shutdown voltage pin for example, you must add 0.4V/300k
Ω=1.3A in typical
(0.4V/240k
Ω=1.66A in maximum for each shutdown pin) to the standby current specified in
standby pins.
4.9
Single-ended input configuration
It is possible to use the TS2012 in a single-ended input configuration. However, input
coupling capacitors are mandatory in this configuration. The schematic diagram in Figure 45
shows a typical single-ended input application.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TS2012IQT-CUT TAPE | 制造商:ST 功能描述:TS2012 Series 2.8 W Filter-Free Stereo Class D Audio Power Amplifier - QFN-20 |
| TS2012-W1 | 制造商:Black Box Corporation 功能描述:1 YEAR WARRANTY FOR TS2012 |
| TS2012-W3 | 制造商:Black Box Corporation 功能描述:3 YEAR WARRANTY FOR TS2012 |
| TS2015-W1 | 制造商:Black Box Corporation 功能描述:1 YEAR WARRANTY FOR TS2015 |
| TS2015-W3 | 制造商:Black Box Corporation 功能描述:3 YEAR WARRANTY FOR TS2015 |
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