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参数资料
| 型号： | TB2905HQ |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 55 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封装： | 1 MM PITCH, PLASTIC, HZIP-25 |
| 文件页数： | 17/17页 |
| 文件大小： | 278K |
| 代理商： | TB2905HQ |
TB2905HQ
2005-08-17
9
Electrical Characteristics
(unless otherwise specified, VCC =13.2 V, f =1 kHz, RL = 4 , Ta = 25°C)
Characteristics
Symbol
Test
Circuit
Test Conditions
Min
Typ.
Max
Unit
Quiescent supply current
ICCQ
VIN = 0
200
300
mA
POUT MAX (1)
VCC = 14.4 V, max POWER
47
POUT MAX (2)
VCC = 13.7 V, max POWER
43
POUT (1)
VCC = 14.4 V, THD = 10%
29
Output power
POUT (2)
THD
= 10%
23
25
W
POUT MAX (1)
VCC = 14.4 V, max POWER
80
POUT MAX (2)
VCC = 13.7 V, max POWER
77
POUT (1)
VCC = 14.4 V, THD = 10%
55
Output power (RL = 2 )
POUT (2)
THD
= 10%
42
45
W
Total harmonics distortion
THD
POUT = 2 W
0.03
0.2
%
Voltage gain
GV
VOUT = 0.775 Vrms
24
26
28
dB
Interchannel voltage gain
GV
VOUT = 0.775 Vrms
1.0
0
1.0
dB
VNO (1)
Rg
= 0 , DIN45405
130
Output noise voltage
VNO (2)
Rg
= 0 , BW = 20 Hz~20 kHz
120
270
Vrms
Ripple rejection retio
R.R.
frip = 100 Hz, Rg = 620
Vrip = 0.775 Vrms
50
60
dB
Crosstalk
C.T.
Rg = 620
VOUT = 0.775 Vrms
70
dB
Output offset voltage
VOFFSET
-150
0
150
mV
Input resistance
RIN
90
k
Standby current
ISB
Standby state
2
10
A
VSB H
POWER: ON, clipping
detection on pin 25
7.5
VCC
VSB M
POWER: ON, offset detection
on pin 25
2.5
6.0
Standby control voltage
VSB L
POWER: OFF
0
0.5
V
VM H
MUTE: OFF
2.5
6.0
Muting control voltage
VM L
MUTE: ON, R1 = 47 k
0
0.5
V
Muting attenuation
ATT M
MUTE: ON
VOUT = 7.75 Vrms → Mute:
OFF
80
90
dB
Offset detection threshold voltage
Voff-set
Rpull-up
= 47 k, +V= 5.0 V
Based on normal output DC
voltage
±1.0
±1.5
±2.0
V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TB2905HQ(O) | 功能描述:音频放大器 25W x 4ch Class-KB Car 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 |
| TB2906HQ | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Maximum Power 43 W BTL x 4-ch Audio Power IC |
| TB2913HQ | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Maximum Power 47 W BTL 】 4-ch Audio Power IC |
| TB2915AHQ(O) | 制造商:Toshiba America Electronic Components 功能描述:IC AMP BTL AUDIO 45W 4CH HZIP25 |
| TB2915HQ(O) | 功能描述:音频放大器 45W x 4-CH high-EFF car power 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 |
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