參數(shù)資料
型號: TB2905HQ
元件分類: 音頻/視頻放大
英文描述: 55 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
封裝: 1 MM PITCH, PLASTIC, HZIP-25
文件頁數(shù): 19/19頁
文件大小: 439K
代理商: TB2905HQ
TB2905HQ
2006-04-28
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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