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參數(shù)資料
| 型號(hào)： | TPA032D01DCARG4 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 10-W MONO CLASS-D AUDIO POWER AMPLIFIER |
| 中文描述： | 10單聲道D類音頻功率放大器 |
| 文件頁數(shù)： | 3/25頁 |
| 文件大?。?/td> | 550K |
| 代理商： | TPA032D01DCARG4 |
SLOS282B DECEMBER 1999 REVISED JUNE 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions
TERMINAL
NAME
AGND
DESCRIPTION
NO.
3, 7, 20,
43, 44, 45,
46, 47
Analog ground for headphone and Class-D analog circuitry
COSC
48
Connect a capacitor from analog ground to this terminal to set the frequency of the ramp reference signal.
CP1
24
First diode node for charge pump
CP2
25
First inverter switching node for charge pump
FAULT0
42
Logic level fault0 output signal. Lower order bit of the two fault signals with open drain output.
FAULT1
41
Logic level fault1 output signal. Higher order bit of the two fault signals with open drain output.
COMP
6
Compensation capacitor terminal for Class-D amplifier
INN
4
Class-D negative input
INP
5
Class-D positive input
OUTN
14, 15
Class-D amplifier negative output of H-bridge
OUTP
10, 11
Class-D amplifier positive output of H-bridge
PVDD
MUTE
9, 16
Class-D amplifier power supply
2
Active-low TTL logic-level mute input signal. When MUTE is held low, the selected amplifier is muted. When
MUTE is held > high, the device operates normally. When the Class-D amplifier is muted, the low-side output
transistors are turned on, shorting the load to ground.
NC
18, 19, 23,
26, 30, 31,
34, 35, 38,
39
Not connected
PGND
12, 13
Power ground for H-bridge only
PGND
27
Power ground for charge pump only
PGND
36, 37
Power ground for right-channel H-bridge only
PVDD
21, 28, 33,
40
VDD supply for charge-pump and gate drive circuitry
SHUTDOWN
1
Active-low TTL logic-level shutdown input signal. When SHUTDOWN is held low, the device goes into shutdown
mode. When SHUTDOWN is held high, the device operates normally.
V2P5
29
2.5V internal reference bypass. This terminal requires a capacitor to ground.
VCC
VCCREG
VCP
32
5V supply to circuitry. This terminal is typically connected to VCCREG.
5-V regulator output. This terminal requires a 1-
μ
F capacitor to ground for stability reasons.
Connect a capacitor from this terminal to power ground to provide storage for the charge pump output voltage.
17
22
VDD
8
VDD bias supply for analog circuitry. This terminal needs to be well filtered to prevent degrading the device
performance.
Class-D amplifier faults
Table 1. Class-D Amplifier Fault Table
FAULT 0
FAULT 1
DESCRIPTION
1
1
No fault. The device is operating normally.
0
1
Charge pump under-voltage lock-out (VCP-UV) fault. All low-side transistors are turned on, shorting the load to
ground. Once the charge pump voltage is restored, normal operation resumes, but FAULT1 is still active. This is not
a latched fault, however. FAULT1 is cleared by cycling MUTE, SHUTDOWN, or the power supply.
0
0
Thermal fault. All the low-side transistors are turned on, shorting the load to ground. Once the junction temperature
drops 20
°
C, normal operation resumes (not a latched fault). But the FAULTx terminals are still set and are cleared
by cycling MUTE, SHUTDOWN, or the power supply.
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| TPA032D02DCA | 功能描述:音頻放大器 10W Class-D RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA032D02DCAG4 | 功能描述:音頻放大器 Stereo Medium Power Class-D Audio Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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