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参数资料
| 型号： | TS2007EKIJT |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封装： | ROHS COMPLIANT, BGA-9 |
| 文件页数： | 15/28页 |
| 文件大小： | 451K |
| 代理商： | TS2007EKIJT |
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Application information
TS2007FC
22/28
4.7
Shutdown time
When the standby command is set to high, the time required to put the two output stages
into high impedance and to put the internal circuitry in shutdown mode, is typically 1 ms.
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 42 and Figure 43).
4.8
Consumption in shutdown mode
Between the shutdown pin and GND there is an internal 300 k
Ωresistor. This resistor forces
the TS2007 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 does not equal 0 V. This extra current is provided by the device that
drives the standby pin of the amplifier.
Referring to Table 2: Operating conditions on page 4, with a 0.4 V shutdown voltage pin for
example, you must add 0.4 V/300 k = 1.3 A in typical (0.4 V/273 k = 1.46 A maximum) to
4.9
Single-ended input configuration
It is possible to use the TS2007 in a single-ended input configuration. However, input
coupling capacitors are needed in this configuration. The following schematic diagram
shows a typical single-ended input application.
Figure 44.
Typical application for single-ended input configuration
VCC
Cin
Input
Speaker
Cs
1uF
TS2007
Gain
Select
+
-
Standby
Control
A1
C1
A2
C2
A3
C3
B2
B3
PWM
H
Bridge
Oscillator
IN-
IN+
GS
Vcc
OUT+
OUT-
Standby
Gnd
Protection
Circuit
Gain select control
Standby control
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TS2007FC | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3 W filter-free class D audio power amplifier with 6 or 12 dB fixed gain select |
| TS2007IQT | 功能描述:音频放大器 3W filter free ClassD audio Pwr amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TS200A | 制造商:Black Box Corporation 功能描述:VERI NET VOIP |
| TS200A-W1 | 制造商:Black Box Corporation 功能描述:1 YEAR WARRANTY FOR TS200A |
| TS200A-W3 | 制造商:Black Box Corporation 功能描述:3 YEAR WARRANTY FOR TS200A |
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