參數(shù)資料
型號(hào)： TDA7265
廠商： 意法半導(dǎo)體
英文描述： 25 + 25W Stereo Amplifier with Mute/ST-BY(帶消音和備用的25+25W立體聲放大器)
中文描述： 25 25瓦立體聲功放音箱，靜音/意法半導(dǎo)體，由（帶消音和備用的25個(gè)25瓦立體聲放大器）
文件頁(yè)數(shù)： 8/11頁(yè)
文件大小： 158K
代理商： TDA7265
COMPONENTS
RECOMMENDED
VALUE
PURPOSE
LARGER THAN
RECOMMENDED VALUE
SMALLER THAN
RECOMMENDED VALUE
R1
10K
Mute Circuit
Increase of Dz
Biasing Current
R2
15K
Mute Circuit
V
pin
# 5 Shifted Downward
V
pin
# 5 Shifted Upward
R3
18K
Mute Circuit
V
pin
# 5 Shifted Upward
V
pin
# 5 Shifted Downward
R4
15K
Mute Circuit
V
pin
# 5 Shifted Upward
V
pin
# 5 Shifted Downward
R5, R8
18K
Closed Loop Gain
Setting (*)
Increase of Gain
R6, R9
560
Decrease of Gain
R7, R10
4.7
FrequencyStability
Danger of Oscillations
Danger of Oscillations
C1, C2
1
μ
F
Input DC
Decoupling
Higher Low Frequency
Cutoff
C3
1
μ
F
St-By/Mute Time
Constant
Larger On/Off Time
Smaller On/OffTime
C4, C6
1000
μ
F
Supply Voltage
Bypass
Danger of Oscillations
C5, C7
0.1
μ
F
Supply Voltage
Bypass
Danger of Oscillations
C8, C9
0.1
μ
F
FrequencyStability
Dz
5.1V
Mute Circuit
Q1
BC107
Mute Circuit
(*) Closed loop gain has tobe => 25dB
APPLICATIONS SUGGESTION
(Demo Board Schematic)
The recommended values of the external compo-
nents are those shown are the demo board sche-
matic different values can be used: the following
table can help the designer.
MUTE, STAND-BY TRUTH TABLE
SW1
SW2
B
A
STAND-BY
B
B
STAND-BY
A
A
MUTE
A
B
PLAY
TDA7265
8/11
相關(guān)PDF資料
PDF描述
TDA7266B 10+10W DUAL BRIDGE AMPLIFIER
TDA7266D 5W+5W DUAL BRIDGE AMPLIFIER
TDA7266L 5W MONO BRIDGE AMPLIFIER
TDA7266MA 7W+7W DUAL BRIDGE AMPLIFIER
TDA7266SA 7W+7W DUAL BRIDGE AMPLIFIER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7265A 功能描述:音頻放大器 25 25W STEREO AMP Mute ST-BY AB DUAL RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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
TDA7265B 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 30W 30W Stereo AMP Class AB Dual 35V RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
TDA7265G-J11-A-T 制造商:UTC-IC 制造商全稱(chēng):UTC-IC 功能描述:25W+25W STEREO AMPLIFIER WITH MUTE & STAND-BY
TDA7265L-J11-A-T 制造商:UTC-IC 制造商全稱(chēng):UTC-IC 功能描述:25W+25W STEREO AMPLIFIER WITH MUTE & STAND-BY
TDA7265SA 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:18W+18W STEREO AMPLIFIER WITH MUTE & ST-BY
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