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參數(shù)資料
| 型號(hào)： | UTCMC34119 |
| 廠商： | 友順科技股份有限公司 |
| 元件分類： | 音頻放大器 |
| 英文描述： | LOW POWER AUDIO AMPLIFIER |
| 中文描述： | 低功耗音頻放大器 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 86K |
| 代理商： | UTCMC34119 |
UTC MC34119 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R108-008,A
ABSOLUTE MAXIMUM RATINGS
(Ta=25
°
C )
PARAMETER
Supply Voltage
Output Current
Maximum Input, Ripple Rejection,
Mute Pin Voltage
Applied Output Voltage( Output Pin
When Disabled)
Junction Temperature
SYMBOL
Vcc
Io
Vi
VALUE
-1 to +18
+-250
-1 to +1
UNIT
V
mA
V
Vo
-1 to +1
V
Tj
-55 to +150
°
C
PIN CONFIGURATIONS
PIN
NAME
1
Mute
DESCRIPTION
This pin can be used to power down the IC to converse power, or for muting, or both. When at a
logic “LOW” (less than 0.8V), the IC is enabled for normal operation. When at a logic “HIGH” (2V to
Vcc), the IC is disabled. If Mute is open, that is equivalent to a logic “LOW”.
A capacitor at this pin increase power supply rejection, and affects turn-on time. This pin can be
left open if the capacitor at pin 1 is sufficient.
Analog Ground for the amplifiers. A 1
μ
F capacitor at this pin ( with a 5
μ
F capacitor at pin 8)
provides 52dB( typ) of power supply rejection. Turn-on time of the circuit is affected by the
capacitor on this pin. This pin can be used as an alternative input.
Amplifier input. The input capacitor and resistor set low frequency roll-off and input impedance.
The feedback resistor is connected between this pin and output 1.
Amplifier 1’s output. The DC level is about (Vcc~0.7V)/2.
DC supply voltage is applied to this pin( Vcc=2~16V).
Ground pin.
Amplifier 2’s output. This signal is equal in amplitude, but 180
DC level is about (Vcc~0.7V)/2.
2
Ripple
Rejection
Input(+)
3
4
Input(-)
5
6
7
8
Output 1
Vcc
GND
Output 2
out of phase with that output 1, the
RECOMMENDED OPERATION CONDITIONS
(Ta=25
°
C)
PARAMETER
Supply Voltage
Load Impedance
Peak Load Current
Differential Gain(5KHz Bandwidth)
Voltage at Mute
Ambient Temperature
SYMBOL
Vcc
Z
L
I
L(peak)
Gv
Vi(mute)
Ta
VALUE
2~16
8~100
+-200
0~46
0~Vcc
-20~470
UNIT
V
mA
dB
V
°
C
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