NJM2776 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJM2776

Headphone Amplifier for Portable Audio

Japan Radio Corporation  

NJM2776

s ABSOLUTE MAXIMUM RATINGS (Ta=25°C)

PARAMETER

SYMBOL

Supply Voltage

V+

Power Dissipation

PD

Operating Temperature range

Topr

Storage Temperature Range

Tstg

RATINGS

5

320 (note)

-20 to +75

-40 to +125

UNIT

V

mW

°C

°C

s RECOMMENDED OPERATING CONDITIONS

PARAMETER

Operating Voltage Range

SYMBOL

V+1

V+2

TEST CONDITION

-

-

MIN.

1.8

0.9

TYP.

2.3

1.2

MAX.

4.5

4.5

UNIT

V

s ELECTRICAL CHARACTERISTICS (Ta=25°C, V+1=2.3V, V+2=1.2V, VIN=-30dBV (31.6mVrms), f=1kHz,

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

●Power Supply

PARAMETER

Operating Current

Reference Voltage

SYMBOL

ICC0

ICC1

ICC2

ICC3

ICC4

ICC5

ICC6

VR E F

TEST CONDITION

pin

V+1=0V

V+2

Standby mode

V+2

V+1

No signal

V+2

V+1

PO=0.1mW+0.1mW

V+2

V+1

No signal

MIN.

-

-

-

-

-

-

-

0.50

TYP.

-

6.0

25

350

200

2.5

200

0.60

MAX.

1.0

10.0

35

750

400

-

-

0.65

UNIT

µA

mA

V

●Amplifier

PARAMETER

Closed loop Gain

Output Power

Total Harmonic Distortion

Output Noise Voltage

Channel Separation

Mute Level

Supply Voltage

Rejection Ratio

SYMBOL

GV

PO

THD

VNO

CS

MUTE

PSRR1

PSRR2

TEST CONDITION

THD=10%

PO=1mW

A-Weighted

Standby mode

1kHz Band Pass

V+1=1.8V + 0.1Vrms

V+2=0.9V

V+1=1.8V

V+2=0.9V + 0.1Vrms

MIN.

10.0

5.0

-

-

44

-

46

70

TYP.

11.5

8.5

0.20

-100

(10.0)

55

-100

52

77

MAX.

12.5

-

0.50

-96

(15.8)

-

-80

-

-

UNIT

dB

mW

%

dBV

(µV)

dB

dB

dB

●Mode Control

PARAMETER

High Level Input Voltage

Low Level Input Voltage

SYMBOL

VIH

VIL

TEST CONDITION

VIN=High Level

VIN=Low Level

MIN.

1.2

0.0

TYP.

-

-

MAX.

V+1

0.3

UNIT

V

s MODE SWITHCH FUNCTION

●STANDBY (7PIN)

PARAMETER CONTROL SIGNAL

Standby

L, open

Active

H

IC is non-active.

IC is active.

STATUS

-2-

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