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參數(shù)資料
| 型號： | MC3419 |
| 廠商： | 友順科技股份有限公司 |
| 元件分類： | 運(yùn)動控制電子 |
| 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 |
| 文件大小： | 104K |
| 代理商： | MC3419 |
UTC MC3419 LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R107-042,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
PIN CONFIGURATIONS
PIN
NAME
1
Mute
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”.
2
Ripple
Rejection
left open if the capacitor at pin 1 is sufficient.
3
Input(+)
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.
4
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.
5
Output 1 Amplifier 1’s output. The DC level is about (Vcc~0.7V)/2.
6
Vcc
DC supply voltage is applied to this pin(Vcc=2~16V).
7
GND
Ground pin.
8
Output 2 Amplifier 2’s output. This signal is equal in amplitude, but 180
the DC level is about (Vcc~0.7V)/2.
RECOMMENDED OPERATION CONDITIONS
(Ta=25
°
C)
PARAMETER
SYMBOL
Supply Voltage
Vcc
Load Impedance
Z
L
Peak Load Current
I
L(peak)
Differential Gain (5KHz Bandwidth)
Gv
Voltage at Mute
Vi(mute)
Ambient Temperature
Ta
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
DESCRIPTION
A capacitor at this pin increase power supply rejection, and affects turn-on time. This pin can be
out of phase with that output 1,
VALUE
2~16
8~100
+-200
0~46
0~Vcc
-20~+70
UNIT
V
mA
dB
V
°
C
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