NJU7045 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJU7045

Input/Output Full-Swing High Output Current Single C-MOS Operational Amplifier with Shutdown

Japan Radio Corporation  

■ OPERATING VOLTAGE (Ta=25˚C)

PARAMETER

SYMBOL

Supply Voltage

VDD

RATINGS

2.2 to 5.5

UNIT

V

NJU7045

■STATE DEFINITION OF NJU7045 OPERATION

●”State of NJU7045 Operation” vs. “Turn-on/off Control Voltage VSD“

State Definition

CONTROL CONDITION

(2.2V ≤ VDD ≤ 5.5V, Ta=25˚C)

State of NU7045 Operation

Amplifier Operating

Shutdown

VSD=VIH

VSD=VIL

Amplifier is active.

The output impedance is high, output signal is muted

and the supply current is reduced.

■ELECTRICAL CHARACTERISTICS [Enable/Shutdown Control Information]

●Turn-on/off Control Voltage Range for SHDN Pin

PARAMETER

SYMBOL

TEST CONDITION

MIN.

Turn-on Voltage to Enable part

Turn-off Voltage

VIH

(Note 5)

VIL

(Note 5)

VDD x 0.7

0

(Note 5) The SHDN pin can’t be left unconnected.

(2.2V ≤ VDD ≤ 5.5V, Ta=25˚C)

TYP.

MAX.

UNIT

-

VDD

V

-

VDD x 0.3

V

●DC CHARACTERISTICS of “SHDN Pin”

PARAMETER

SYMBOL

Input Bias Current of SHDN Pin

IBSD

TEST CONDITION

0 ≤ VSD ≤ VDD

(2.2V ≤ VDD ≤ 5.5V, Ta=25˚C)

MIN.

TYP.

MAX.

UNIT

-

-

±2

µA

●Turn-on/off Time

PARAMETER

Amplifier Turn-off Time

Amplifier Turn-on Time

SYMBOL

TOFF

TON

TEST CONDITION

TVSDHL ≤ 100ns

FIGURE 2,3

TVSDLH ≤ 100ns

FIGURE 2,3

(2.2V ≤ VDD ≤ 5.5V, Ta=25˚C)

MIN.

TYP.

MAX.

UNIT

-

1

-

µs

-

10

-

µs

FIGURE 2. TOFF/TON CONDITION

TVSDHL

TVSDLH

VSD

VOUT

VDD 70%

VDD 30%

VDD 90%

VDD 10%

TOFF

TON

FIGURE 3. TOFF/TON TEST CIRCUIT

VDD

[ RL=600Ω , CL=0pF ]

0.1V

RL

CL

VSD

Ver.2004-08-24

-3-

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