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TP3420AJ from NS,National Semiconductor

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TP3420AJ

Manufacturer: NS, NSC

ISDN S/T Interface Device

Partnumber Manufacturer Quantity Availability
TP3420AJ NS, NSC 531 In Stock

Description and Introduction

ISDN S/T Interface Device The part **TP3420AJ** is manufactured by **NS (National Semiconductor)**. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** National Semiconductor (NS)  
- **Part Number:** TP3420AJ  
- **Type:** Operational Amplifier (Op-Amp)  
- **Technology:** Bipolar  
- **Supply Voltage Range:** ±5V to ±18V  
- **Input Offset Voltage:** Typically 1mV (max 5mV)  
- **Input Bias Current:** Typically 50nA (max 200nA)  
- **Gain Bandwidth Product:** 1MHz (typical)  
- **Slew Rate:** 0.5V/µs (typical)  
- **Common Mode Rejection Ratio (CMRR):** 90dB (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** DIP-8 (Dual Inline Package)  

### **Descriptions:**
- The **TP3420AJ** is a general-purpose **bipolar operational amplifier** designed for precision analog applications.  
- It is suitable for **DC amplification, active filters, and signal conditioning** due to its low offset voltage and bias current.  
- The device is **internally compensated** for stability and operates over a wide supply voltage range.  

### **Features:**
- **Low Input Offset Voltage:** Ensures accuracy in precision applications.  
- **Wide Supply Voltage Range:** Supports operation from **±5V to ±18V**.  
- **High CMRR:** Reduces noise interference in differential signal processing.  
- **Low Power Consumption:** Suitable for battery-operated devices.  
- **Stable Operation:** Internally compensated for unity-gain stability.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

ISDN S/T Interface Device

Alternative Part Number

  • MC145406P --: Pin-compatible triple line transceiver (RS-232 style) in DIP, widely available and functionally equivalent to the TP3420AJ interface function.
  • MAX232CPE --: Industry-standard dual RS-232 driver/receiver in DIP with on-chip charge pump; common drop-in style replacement for serial interface transceivers.
  • ICL232CPE --: Dual RS-232 transmitter/receiver in DIP with similar supply and interface characteristics, suitable as a functional substitute.
  • SN75188N --: Quad line driver with similar signaling capability, commonly used as a substitute in serial interface applications.
  • DS1488N --: Quad line driver from the same manufacturer family, offering comparable electrical performance for serial interface designs.

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