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MC3419 데이터시트(Datasheet) 2 Page - Unisonic Technologies

부품명 MC3419
상세내용  LOW POWER AUDIO AMPLIFIER
PDF  4 Pages
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제조사  UTC [Unisonic Technologies]
홈페이지  http://www.utc-ic.com
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UTC MC3419
LINEAR INTEGRATED CIRCUIT
UTC UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R107-042,A
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
SYMBOL
VALUE
UNIT
Supply Voltage
Vcc
-1 to +18
V
Output Current
Io
+-250
mA
Maximum Input, Ripple Rejection,
Mute Pin Voltage
Vi
-1 to +1
V
Applied Output Voltage (Output Pin
When Disabled)
Vo
-1 to +1
V
Junction Temperature
Tj
-55 to +150
°C
PIN CONFIGURATIONS
PIN
NAME
DESCRIPTION
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
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.
3
Input(+)
Analog Ground for the amplifiers. A 1
µF capacitor at this pin ( with a 5µF 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°out of phase with that output 1,
the DC level is about (Vcc~0.7V)/2.
RECOMMENDED OPERATION CONDITIONS (Ta=25°C)
PARAMETER
SYMBOL
VALUE
UNIT
Supply Voltage
Vcc
2~16
V
Load Impedance
ZL
8~100
Peak Load Current
IL(peak)
+-200
mA
Differential Gain (5KHz Bandwidth)
∆Gv
0~46
dB
Voltage at Mute
Vi(mute)
0~Vcc
V
Ambient Temperature
Ta
-20~+70
°C




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