NTE1789 데이터 시트보기 (PDF) - NTE Electronics

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NTE1789

Integrated Circuit TV Sound Preamp, AF Output, Volume Control

NTE Electronics 

NTE1789

Integrated Circuit

TV Sound Preamp, AF Output, Volume Control

Description:

The NTE1789 is an integrated circuit in a 9–Lead SIP type package designed for use in TV sound

output circuit.

Features:

D DC Volume Control System

Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)

Supply Voltage, V1–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V

Supply Voltage, V9–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26V

Circuit Voltage, V3–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 7V

Circuit Voltage, V4–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V1–7 V

Circuit Voltage, V6–7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to V9–7 V

Peak Circuit Current, I4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10 to +3mA

Peak Circuit Current, I8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –1.2 to +1.2mA

Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.6W

Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C

Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C

Electrical Characteristics: (TA = +25°C unless otherwisepsecified)

Parameter

Symbol

Test Conditions

Circuit Current

Circuit Voltage

II

V2–7

V5–7

SW1: 1, SW2: 1

SW1: 2, SW2: 1

SW1: 2, SW2: 1

V6–7 SW1: 2, SW2: 1

V8–7 SW1: 2, SW2: 2

Max. Output Voltage

Voltage Gain

Total Harmonic Distortion

POmax

GV

THD

V4 = 12V, f = 1kHz, THD = 10%

V4 = 12V, Vi = 0.1Vrms, f = 1kHz

V4 = 12V, PO = 1W, f = 1kHz

Max. Attenuation

Att f = 1kHz, Vi = 0.1Vrms, Ratio between

V4 = 12V and V4 = 0V

Output Noise Voltage

Mute Operating Voltage

Vno

V3–7

V4 = 0V, Vi = 0Vrms

f = 1kHz, V4 = 12V, when V8 = 0Vrms

Min Typ Max Unit

7.1 9.5 11.9 mA

– 5.4 –

V

– 8.5 –

V

– 8.8 –

V

– 8.8 –

V

2.0 2.3 – W

28.5 30.5 32.5 dB

– 0.8 1.2 %

– –95 –85 dB

– 0.6 1.0 mVrms

2.45 2.65 2.85 V

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