參數(shù)資料
型號(hào)： TB2946HQ
元件分類： 音頻／視頻放大
英文描述： 26 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM25
封裝： 1 MM PITCH, PLASTIC, HZIP-25
文件頁(yè)數(shù)： 18/18頁(yè)
文件大?。?/td> 484K
代理商： TB2946HQ
TB2946HQ
2009-01-29
9
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Mute attenuation
ATT M
MUTE: ON、DIN_AUDIO
VOUT = 7.75 Vrms → Mute: OFF
85
100
dB
Upper cut-off frequency
Fth
GV = 26dB, 3dB
250
kHz
DC offset threshold voltage
Voff-set
Rpull-up
= 10 kΩ, +V = 5.0 V
Out(+)-Out(-)
±1.0
±1.5
±2.0
V
Layer short detection impedance
R half-short
Rpull-up
= 10 kΩ, +V = 5.0 V
channel (+) or (-) shorted to
GND, when between Rs
impedance output to GND.
3.3
Ω
Pin 25 saturation voltage
(at each detector ON condition)
P25-Sat
Rpull-up
= 10 kΩ, +V = 5.0 V
(pin 25
= low)
100
500
V
Test Circuit
Components in the test circuit are only used to determine the device characteristics.
It is not guaranteed that the system will work properly with these components.
5 V
1
10
6
20
VCC1
VCC2
TAB
Ripple
C2:
10
μF
+B
C3:
0.1
μF
C5: 3900
μF
9
Out1 (
+)
11
C1: 0.22
μF
8
7
PW-GND1
Out1 (
)
IN1
5
Out2 (
+)
12
2
3
PW-GND2
Out2 (
)
IN2
17
Out3 (
+)
15
18
19
PW-GND3
Out3 (
)
IN3
21
Out4 (
+)
14
24
23
PW-GND4
Out4 (
)
IN4
13
16
C6: 1
μF
4 Stby
25
22 Mute
C4:
1
μF
R1: 47 k
Ω
Play
Mute
RL = 4 ohm
Pre-GND
AC-GND
Offset/short
C1: 0.22
μF
C1: 0.22
μF
C1: 0.22
μF
RL = 4 ohm
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