NJW4301M Datasheet Summary

General Description

The NJW4301M is a 2-channel bridge driver IC designed for applications such as CD, CD-ROM, and MO devices. It operates at a supply voltage of 4V to 12V and features high output voltage swing. The output circuit is composed of MOS-FETs, which offer lower power consumption compared to bipolar outputs, simplifying thermal design and reducing overall costs.

Package Outline

• Package Type: DIP-16, SDMP-30

Features

• Operating Voltage: V+ = 4V to 12V
• Low Saturation Output: Vsat = ±0.5V MAX at IO = 300mA
• Supply Current: 35mA MAX
• 2-channel BTL Output
• Mute Function
• Bi-MOS Technology

Absolute Maximum Ratings (Ta = 25°C)

• Supply Voltage (V+): 15V
• Operating Current (IO): 1A
• Mute Terminal Current (IM): 1.0mA
• Power Dissipation (PD): 1.9W (DIP16), 1.8W (SDMP30) (Note: At 1 PC board)
• Operating Temperature Range: -40°C to +85°C
• Storage Temperature Range: -40°C to +150°C

Electrical Characteristics (V+ = 5V, Ta = 25°C)

• Operating Supply Voltage Range: 4V to 12V
• Mute OFF Current Dissipation (ICC1): 0.5mA to 35mA
• Mute ON Current Dissipation (ICC2): 2mA to 3.5mA
• Output Offset Voltage (VOF): ±50mV (OUT1-OUT2, OUT4-OUT3, GAIN=1)
• Input Common Mode Voltage Range (VICM): 0V to V+ (AMP2, AMP3)
• Input Bias Current (IB): 300nA MAX
• Maximum Output Voltage (VO1, VO2): 4.0V to 4.2V at 300mA, 3.0V to 3.5V at 500mA
• Open Loop Voltage Gain (AV): 35dB to 50dB (AMP2, AMP3, R=2KΩ, VIN=2.5V)
• Input Output Potential Difference (VBIO): ±30mV
• Input Voltage Range (VBICM): 1.5V to 3.5V
• Output Voltage Range (ΔVBO): -50mV to +50mV (VIN=2.5V, IL=-5mA to +5mA)
• Mute OFF Voltage (VOFF): 3.5V to 4.2V
• Mute ON Voltage (VON): 0.8V to 1.0V
• Mute Sink Current (IM): 70µA to 130µA

Pin Configuration

DIP-16

1. V+: Supply Voltage
2. MUTE: Mute Control
3. OUT1: Output Terminal of AMP.1
4. GND: Ground
5. GND: Ground
6. OUT2: Output Terminal of AMP.2
7. Vin1(-): Inverting Input of AMP.2
8. Vin1(+): Non-Inverting Input of AMP.2
9. Vin2(+): Inverting Input of AMP.3
10. Vin2(-): Non-Inverting Input of AMP.3
11. OUT3: Output Terminal of AMP.3
12. GND: Ground
13. GND: Ground
14. OUT4: Output Terminal of AMP.4
15. Vbout: Buffer Output
16. VBin: Buffer Input

SDMP-30

1. GND: Ground
2. GND: Ground
3. OUT4: Output Terminal of AMP.4
4. NC: Non-Connection
5. NC: Non-Connection
6. VBout: Buffer Output
7. VBin: Buffer Input
8. NC: Non-Connection
9. V+: Supply Voltage
10. MUTE: Mute Control
11. NC: Non-Connection
12. NC: Non-Connection
13. OUT1: Output Terminal of AMP.1
14. GND: Ground
15. GND: Ground
16. GND: Ground
17. GND: Ground
18. OUT2: Output Terminal of AMP.2
19. NC: Non-Connection
20. NC: Non-Connection
21. Vin1(-): Inverting Input of AMP.2
22. Vin1(+): Non-Inverting Input of AMP.2
23. NC: Non-Connection
24. Vin2(+): Inverting Input of AMP.3
25. Vin2(-): Non-Inverting Input of AMP.3
26. NC: Non-Connection
27. NC: Non-Connection
28. OUT3: Output Terminal of AMP.3
29. GND: Ground
30. GND: Ground

Terminal Explanation

• GND: Ground terminal, recommended for expanding the island to improve heat radiation properties.
• OUT1, OUT2, OUT3, OUT4: Output terminals of the amplifiers, with OUT1 and OUT2, OUT3 and OUT4 being opposite phase.
• VBin, Vbout: Buffer input and output terminals.
• V+: Supply voltage terminal.
• MUTE: Mute control terminal with a pulldown resistor.
• Vin1(-), Vin1(+), Vin2(-), Vin2(+): Input terminals for the amplifiers.

Application Circuits

The datasheet provides application circuits for both DIP-16 and SDMP-30 packages, showing how to connect the NJW4301M in typical configurations for driving speakers or other loads.

Typical Characteristics

The datasheet includes graphs and charts detailing the typical performance characteristics of the NJW4301M, such as output offset voltage vs. operating voltage, operating current vs. operating voltage, output voltage range vs. output current, total harmonic distortion vs. output power, and total harmonic distortion vs. frequency.

Caution

The specifications provided in this datasheet are for informational purposes only and do not guarantee the absence of errors or omissions. The application circuits are illustrative and do not constitute a guarantee or permission for any rights, including industrial rights.