SL34119N SLS [System Logic Semiconductor], SL34119N Datasheet

no-image

SL34119N

Manufacturer Part Number
SL34119N
Description
Low Power Audio Amplifier
Manufacturer
SLS [System Logic Semiconductor]
Datasheet
Low Power Audio Amplifier
The SL34119 is a low power audio amplifier integrated circuit intended
(primarily) for telephone applications, such as in speakerphones. It
provides differential speaker outputs to maximize output swing at low
supply voltages (2.0 volts minimum). Coupling capacitors to the
speaker are not required. Open loop gain is 80 dB, and the closed loop
gain is set with two external resistors. A Chip Disable pin permits
powering down and/or muting the input signal. The SL34119 is
available in a standard 8 pin DIP or a surface mount package.
SLS
Wide Operating Supply Voltage Range (2-16 Volts) - Allows
Telephone Line Powered Applications
Low Quiescent Supply Current for Battery Powered Applications
Chip Disable Input to Power Down the IC
Low Power Down Quiescent Current
Drives a Wide Range of Speaker Loads (8-100 )
Output Power Exceeds 250 mW with 32
Low Total Harmonic Distortion
Gain Adjustable from <0 dB to >46 dB for Voice Band
Requires Few External Components
System Logic
Semiconductor
SIMPLIFIED BLOCK DIAGRAM
Differential Gain = 2 x
* = Optional
Speaker
R
R
f
i
ORDERING INFORMATION
PIN ASSIGNMENT
T
A
SL34119N Plastic
SL34119D SOIC
= -10 to 70 C for
all packages
SL34119

Related parts for SL34119N

SL34119N Summary of contents

Page 1

... Low Total Harmonic Distortion Gain Adjustable from < >46 dB for Voice Band Requires Few External Components SIMPLIFIED BLOCK DIAGRAM * = Optional Differential Gain = 2 x System Logic SLS Semiconductor ORDERING INFORMATION Speaker PIN ASSIGNMENT SL34119 SL34119N Plastic SL34119D SOIC for A all packages ...

Page 2

SL34119 PIN DESCRIPTION Pin Symbol 1 CD Chip Disable - Digital input. A Logic “0” (<0.8 V) sets normal operation. A Logic “1” ( 2.0 V) sets the power down mode. Input impedance is nominally FC2 ...

Page 3

The amount of rejection is a function of the capacitors, and the equivalent impedance looking into FC1 and FC2 (listed in ...

Page 4

SL34119 RECOMMENDED OPERATING CONDITIONS Symbol V Supply Voltage CC R Load Impedance L I Peak Load Current L AVD Differential Gain (5.0 KHz bandwidth) VCD Voltage @ CD (Pin 1) T Operating Temperature, All Pakage Types A This device contains ...

Page 5

ELECTRICAL CHARACTERISTICS Symbol Parameter AMPLIFIERS (AC CHARACTERISTICS Input Resistance ( Open Loop Gain (Amplifier #1) VOL1 A Closed Loop Gain (Amplifier V2 #2) GBW Gain Bandwidth Product P Output Power OUT3 P OUT12 THD Total Harmonic ...

Page 6

SL34119 Figure 3. DEVICE DISSIPATION 16 LOAD Figure 5. DISTORTION versus POWER f = 1.0 kHz, AVD = 34 dB Figure 7. DISTORTION versus POWER 3.0 kHz, AVD = 12 dB Figure 4. DEVICE DISSIPATION 32 LOAD ...

Related keywords