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NTE1670

Integrated Circuit Air Core Meter Driver

NTE Electronics 

NTE1670

Integrated Circuit

Air Core Meter Driver

Description:

The NTE1670 is a function generator/driver for air–core (moving–magnet) meter movements in a

14–Lead DIP type package. A Norton amplifier and an NPN transistor are included on chip for signal

conditioning as required. Driver outputs are self–centering and develop ± 4.5V swing at 20mA. Better

than 2% linearity is guaranteed over a full 305–degree operating range.

Features:

D Self–Centering 20mA Outputs

D 12V Operation

D Norton Amplifier

D Function Generator

Applications:

D Air–Core Meter Driver

D Tachometers

D Ruggedized Instruments

Absolute Maximum Ratings:

Supply Voltage (Pin13), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V

Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1300mW

Collector–Emitter Breakdown Voltage, V(BR)CEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20VMIN

Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40°C to +85°C

Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to –150°C

Lead Temperature (During soldering, 10sec Max), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +260°C

Note 1 For operation above +25°C, the NTE1670 must be derated based upon a +125°C maximum

junction temperature and a thermal resistance of +76°C/W which applies for the device sol-

dered in a printed circuit board and operating in a still–air ambient.

Electrical Characteristics: (VCC = 13.1V TA = +25°C unless otherwise specified)

Parameter

Symbol Test Conditions Min Typ Max Unit

Supply Current (Pin13)

Regulator Voltage (Pin11)

Regulator Output Resistance (Pin11)

IS Zero Input Frequency –

– 65 mA

VREG IREG = 0mA

8.1 8.5 8.9 V

IREG = 0mA to 3mA

– 13.5 –

Ω

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