Datasheet > NTE1497

NTE1497

更新时间： 2024-09-14 04:36:07

品牌	Logo	应用领域
NTE		放大器
页数	文件大小	规格书
2页	71K
描述
Integrated Circuit Audio Preamp w/ALC

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NTE1497 数据手册

NTE1497

Integrated Circuit

Audio Preamp ^w/ALC

Description:

The NTE1497 is a silicon monolithic integrated circuit in a 7−Lead SIP type package designed for use

as a high gain, low noise preamplifier with Automatic Level Control (ALC). This device is primarily

used as a record and playback amplifier in cassette tape recorders.

Features:

D Low Noise

D Wide Supply Voltage Range: V_CC= 2.2V to 15V

D High Gain: A_ν= 70dB Typ

D High Output Voltage: V_OM= 1.0 V_rmsTyp.

D Low Distortion

D Wide ALC Range

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

Supply Voltage, V_CC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V

Package Dissipation (T_A= 75°C), P_D. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270mW

Operating Temperature, T_opt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C

Storage Temperature, T_stg. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +125°C

Recommended Operating Conditions: (T_A= +25°C unless otherwise specified)

Operating Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V

Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2V to 15V

Electrical Characteristics: (T_A= +25°C, V_CC= 5V, f = 1kHz, R_L= 10kΩ unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Circuit Current

ν = 0

0.9 1.5 2.2

Open Loop Voltage Gain

Voltage Gain

ν = −80dBm

−

ν = −50dBm

−

33.5

Maximum Output Voltage

Input Impedance

T.H.D. = 1%

f = 1kHz

0.7 1.0

−

100

kΩ

Equivalent Input Noise Voltage

R = 2.2kΩ, NAB Equalized

1.2 2.0 μV

rms

nin

15 to 30kHz BPF + 40dB Amp

Collector Voltage of ALC Transistor

Pin5

Pin7 to Pin6: 100kΩ, Pin7 to Pin5: 100Ω

−

0.7

−

中文翻译

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