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參數(shù)資料
| 型號： | TDA8564Q |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 x 24 W BTL or 4 x 12 W single-ended car radio power amplifier |
| 中文描述： | 24 W, 4 CHANNEL, AUDIO AMPLIFIER, PZIP17 |
| 封裝： | POWER, PLASTIC, SOT-243-1, DIL-BENT-SIL, 17 PIN |
| 文件頁數(shù)： | 3/15頁 |
| 文件大?。?/td> | 81K |
| 代理商： | TDA8564Q |
February 1995
4
Philips Semiconductors
Preliminary specification
2
×
24 W BTL or 4
×
12 W single-ended car
radio power amplifier
TDA8564Q
PINNING
SYMBOL
INV1
SGND
INV2
SVRR
V
P1
OUT1
GND1
OUT2
n.c.
OUT3
GND2
OUT4
V
P2
MODE
INV3
V
DIAG
INV4
PIN
DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
non-inverting input 1
signal ground
inverting input 2
supply voltage ripple rejection
supply voltage 1
output 1
power ground 1
output 2
not connected
output 3
power ground 2
output 4
supply voltage 2
mode select switch input
inverting input 3
diagnostic output
non-inverting input 4
Fig.2 Pin configuration.
handbook, halfpage
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
TDA8564Q
INV1
SGND
INV2
SVRR
OUT1
GND1
OUT2
n.c.
OUT3
GND2
OUT4
V
MODE
INV3
DIAG
INV4
P2
VP1
MLC810
V
FUNCTIONAL DESCRIPTION
The TDA8564Q contains four identical amplifiers which
can be used for single-ended or bridge applications. The
gain of each amplifier is fixed at 40 dB (46 dB in BTL).
Special features of the device are as follows.
Mode select switch (pin 14)
Low standby current (<100
μ
A)
Low switching current (low cost supply switch)
Mute facility.
To avoid switch-on plops, it is advised to keep the amplifier
in the mute mode during
≥
100 ms (charging of the input
capacitors at pins 1, 3, 15 and 17).
This can be achieved by:
Microcontroller control
External timing circuit (see Fig.3).
The circuit in Fig.3 slowly ramps up the voltage at the
mode select switch pin when switching on and results in
fast muting when switching off.
In the event of fast switching at mode select pin it is
advised to increase the
1
2
V
P
decoupling capacitor (pin 4)
to 150
μ
F to avoid switch plops.
Fig.3 Mode select switch circuitry.
handbook, halfpage
100 k
MGA708
47
μ
F
10 k
10 k
mode
select
switch
VP
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| TDA8568 | 4 x 25 W BTL quad car radio power amplifier |
| TDA8569 | 4 x 25 W BTL quad car radio power amplifier |
| TDA8571 | 4 x 40 W BTL quad car radio power amplifier |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TDA8565Q | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4 x 12 W single-ended car radio power amplifier with diagnostic interface |
| TDA8566 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2 ⅴ 40 W/2 W stereo BTL car radio power amplifier with differential inputs and diagnostic outputs |
| TDA8566Q | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2 x 25 W BTL stereo car radio power amplifier with differential inputs and diagnostic outputs |
| TDA8566Q/N2,112 | 功能描述:音頻放大器 CARRADIO POWER AMPLIFIERS 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA8566Q/N2C | 功能描述:音頻放大器 2X25W BTL STEREO RADIO PWR 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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