CA3046N Datasheet | Next Electromics

CA3046N Technical Summary

Overview

The CA3046N is a monolithic integrated circuit that consists of five general-purpose NPN transistors, including two matched pairs and three isolated transistors. This component is designed for applications requiring high-performance transistor arrays with excellent matching characteristics and low noise. The CA3046N operates over a wide frequency range, from DC up to 120MHz, making it suitable for a variety of analog and RF applications. Its robust design ensures reliable performance across a full military temperature range, making it ideal for demanding environments.

Features

Two Matched Transistors
- V_BE Match: ±5mV
- I_IO Match: 2µA (Max)
Low Noise Figure: 3.2dB (Typical) at 1kHz
Five General-Purpose Monolithic Transistors
Wide Operating Frequency Range: DC to 120MHz
Wide Operating Current Range
Full Military Temperature Range Compliance
Three Isolated Transistors and One Differentially Connected Transistor Pair for low-power applications
Custom-Designed Differential Amplifiers
Temperature-Compensated Amplifiers

Applications

The CA3046N is versatile and finds use in a broad range of applications, particularly where matched transistors and low noise are critical. Below are some typical use cases:

Differential Amplifiers: The matched transistor pairs enable high-performance differential amplification for precision analog circuits.
Low-Noise Preamplifiers: The low noise figure makes it suitable for audio and RF preamplification stages.
Temperature-Compensated Circuits: The component's stability over temperature allows for reliable operation in environmental monitoring and control systems.
Oscillators and Mixers: The wide frequency range supports RF applications up to 120MHz.
Signal Processing: Used in analog signal conditioning and filtering circuits.
Military and Aerospace Systems: Its full military temperature range compliance ensures reliability in harsh conditions.

For additional application guidance, refer to Application Note AN5296, "Application of the CA3018 Integrated-Circuit Transistor Array," which provides suggested circuit configurations and design tips.

Electrical Characteristics

The following table summarizes the key electrical specifications of the CA3046N:

Absolute Maximum Ratings

Supply Voltage (V_CC): 20V
Input Voltage (V_IN): ±5V
Operating Temperature Range: -55°C to +125°C
Storage Temperature Range: -65°C to +150°C

Key Performance Parameters

Collector-Emitter Breakdown Voltage (BV_CEO): 45V (Min)
Collector-Base Breakdown Voltage (BV_CBO): 60V (Min)
Emitter-Base Breakdown Voltage (BV_EBO): 6V (Min)
DC Current Gain (h_FE): 100 to 400 (at I_C = 1mA, V_CE = 5V)
Noise Figure (NF): 3.2dB (Typical at 1kHz)
Transition Frequency (f_T): 120MHz (Typical)

Package Information

The CA3046N is available in a standard 14-pin dual in-line package (DIP), which is widely used for through-hole PCB mounting. Below are the package details: