NJM2772V-TE1# NJR, NJM2772V-TE1# Datasheet

no-image

NJM2772V-TE1#

Manufacturer Part Number
NJM2772V-TE1#
Description
IC HEADPHONE AMP LOW-VOLT 14SSOP
Manufacturer
NJR
Type
Class ABr
Datasheet

Specifications of NJM2772V-TE1#

Output Type
Headphones, 2-Channel (Stereo)
Max Output Power X Channels @ Load
8mW x 2 @ 16 Ohm
Voltage - Supply
1.8 V ~ 4.5 V
Features
Mute, Standby
Mounting Type
Surface Mount
Package / Case
14-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
NJM#2772V-TE1
NJM#2772V-TE1
portable audio.
beep input, reduce the external parts, standby circuit and
center amplifier with ON/OFF, applies to low current
consumption. The mute function reduces the turn-noise at
standby mode.
portable audio system with headphone amplifier.
FEATURES
PIN CONFIGURATION & BLOCK DIAGRAM
GENERAL DESCRIPTION
The NJM2772 is a low voltage headphone amplifier for
The NJM2772 includes mute circuit, center amplifier and
The NJM2772 is suitable for portable MD, CD, and others
Operating Voltage
Operating Current
Low Standby Current
High Output Power
Fixed Gain
Package Outline
Bipolar Technology
LOW-VOLTAGE HEADPHONE AMPLIFIER for PORTABLE-AUDIO
CenterSW
MUTE
STBY
BEEP
Note)DNC(14pin):Do not connect
Vref
INA
INB
2
3
4
5
6
1
7
Vref
V
1.2mA typ. @Center Amp. Off
2.0mA typ. @Center Amp. On
18 A typ.
6mWmin.
11.5dB typ.
SSOP14
+
+
+
=1.8-4.5V
PA-A
PA-C
PA-B
@R
14
12
10
13
11
9
8
DNC
OUTA
OUTC
OUTB
MuteTC
L
GND
V
=16 , THD=10%
+
PACKAGE OUTLINE
Pin Function
10.GND
11.OUTC
12. V
13.OUTA
14.DNC
NJM2772V
1.STBY
2.INA
3.CenterSW
4.V
5. BEEP
6.INB
7.MUTE
8.MuteTC
9.OUTB
REF
+
NJM2772
- 1 -

Related parts for NJM2772V-TE1#

NJM2772V-TE1# Summary of contents

Page 1

... Amp. Off 2.0mA typ. @Center Amp typ. 6mWmin. @R =16 , THD=10% L 11.5dB typ. SSOP14 14 DNC + 13 OUTA PA OUTC PA-C 10 GND 9 + OUTB PA-B 8 MuteTC NJM2772 PACKAGE OUTLINE NJM2772V Pin Function 1.STBY 2.INA 3.CenterSW 4.V REF 5. BEEP 6.INB 7.MUTE 8.MuteTC 9.OUTB 10.GND 11.OUTC + 12. V 13.OUTA 14.DNC - 1 - ...

Page 2

NJM2772 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range RECOMMENDED OPERATING CONDITIIONS PARAMETER SYMBOL Operating Voltage Range ELECTRICAL CHARACTERISTICS + (V =2.3V,Rg=600 ,R =16 ,f=1kHz,STBY-OFF,MUTE-OFF,CA-ON,Ta= PARAMETER SYMBOL ...

Page 3

CONTROL TERMINAL EXPLANTION STBY (1Pin) CONTROL PARAMETER SIGNAL STANDBY ON STANDBY OFF Center-SW (3Pin) CONTROL PARAMETER SIGNAL Center Amp. ON Center Amp. OFF MUTE (7Pin) CONTROL PARAMETER SIGNAL MUTE ON MUTE OFF APPLICATION CIRCUIT 1) Center Amp. On Mode STBY ...

Page 4

NJM2772 APPLICATION CIRCUIT 2) Center Amp. Off Mode STBY STBY OFF STBY ON 0.47uF INA Center OFF CenterSW Center ON 47uF Vref BEEP 0.47uF INB MUTE MUTE ON MUTE OFF Note) When the BEEP terminal (5pin) is useless, short to ...

Related keywords