NJM2776RB2 datasheet(2/10 Pages) NJRC

Part #	NJM2776RB2

Description	Headphone Amplifier for Portable Audio

Download	10 Pages

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Manufacturer	NJRC [New Japan Radio]

Direct Link	http://www.jrc.co.jp/eng/index.html

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2 / 10 page

NJM2776

- 2 -

s

ABSOLUTE MAXIMUM RATINGS (Ta=25°C)

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

V

+

5

V

Power Dissipation

PD

320

(note)

mW

Operating Temperature range

Topr

-20 to +75

°C

Storage Temperature Range

Tstg

-40 to +125

°C

s

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

TEST CONDITION

MIN.

TYP.

MAX.

UNIT

V

+1

-

1.8

2.3

4.5

Operating Voltage Range

V

+2

-

0.9

1.2

4.5

V

s

ELECTRICAL CHARACTERISTICS (Ta=25°C, V

+1=2.3V, V+2=1.2V, V

IN=-30dBV (31.6mVrms), f=1kHz,

RL=16Ω, Active mode, unless otherwise specified)

●Power Supply

TEST CONDITION

PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNIT

ICC0

V

+1=0V

V

+2

-

1.0

ICC1

V

+2

-

6.0

10.0

ICC2

Standby mode

V

+1

-

25

35

ICC3

V

+2

-

350

750

ICC4

No signal

V

+1

-

200

400

µA

ICC5

V

+2

-

2.5

-

Operating Current

ICC6

PO=0.1mW+0.1mW

V

+1

-

200

-

mA

Reference Voltage

VREF

No signal

0.50

0.60

0.65

V

●Amplifier

PARAMETER

SYMBOL

TEST CONDITION

MIN.

TYP.

MAX.

UNIT

Closed loop Gain

GV

10.0

11.5

12.5

dB

Output Power

PO

THD=10%

5.0

8.5

-

mW

Total Harmonic Distortion

THD

PO=1mW

-

0.20

0.50

%

Output Noise Voltage

VNO

A-Weighted

-

-100

(10.0)

-96

(15.8)

dBV

(

µV)

Channel Separation

CS

44

55

-

dB

Mute Level

MUTE

Standby mode

1kHz Band Pass

-

-100

-80

dB

PSRR1

V

+1=1.8V + 0.1Vrms

V

+2=0.9V

46

52

-

Supply Voltage

Rejection Ratio

PSRR2

V

+1=1.8V

V

+2=0.9V + 0.1Vrms

70

77

-

dB

●Mode Control

PARAMETER

SYMBOL

TEST CONDITION

MIN.

TYP.

MAX.

UNIT

High Level Input Voltage

VIH

VIN=High Level

1.2

-

V

+1

Low Level Input Voltage

VIL

VIN=Low Level

0.0

-

0.3

V

s

MODE SWITHCH FUNCTION

●STANDBY (7PIN)

PARAMETER

CONTROL SIGNAL

STATUS

Standby

L, open

IC is non-active.

Active

H

IC is active.

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