NJM2772V-TE2 NJR, NJM2772V-TE2 Datasheet

Audio Amplifiers Low V Hdphne Amp

NJM2772V-TE2

Manufacturer Part Number
NJM2772V-TE2
Description
Audio Amplifiers Low V Hdphne Amp
Manufacturer
NJR
Datasheet
1.NJM2772V-TE1.pdf (4 pages)

Specifications of NJM2772V-TE2

Product
Class-AB
Output Power
8 mW
Available Set Gain
11.5 dB
Thd Plus Noise
0.1 %
Operating Supply Voltage
2.3 V
Supply Current
11.7 mA
Maximum Power Dissipation
300 mW
Maximum Operating Temperature
+ 75 C
Mounting Style
SMD/SMT
Audio Load Resistance
16 Ohms
Input Offset Voltage
0.3 V
Input Signal Type
Single
Minimum Operating Temperature
- 20 C
Output Signal Type
Single
Supply Type
Single
Supply Voltage (max)
4.5 V
Supply Voltage (min)
1.8 V
Output Type
2-Channel Stereo
Package / Case
SSOP-14
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
NJM2772V-TE2
Manufacturer:
IDT
Quantity:
26 617
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 -

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NJM2772V-TE2 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 ...

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