Overview
The ULN2004AINS, produced by Texas Instruments, is a high-voltage, high-current Darlington transistor array. This device consists of seven NPN Darlington pairs, each featuring high-voltage outputs with common-cathode clamp diodes designed for switching inductive loads. The ULN2004AINS is part of the ULx200xA family, which is versatile and widely used in various applications requiring high current and voltage handling capabilities.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (VO) | 50 | V |
| Continuous Collector Current (IC) | 500 | mA |
| Peak Collector Current | 600 | mA |
| Input Voltage (VI) | 30 | V |
| Operating Ambient Temperature Range (TA) | -40 to 85 | °C |
| Storage Temperature Range (TSTG) | -55 to 150 | °C |
| Junction Temperature (TJ) | 150 | °C |
| Package Type | 16-SOIC | |
| Mounting Type | Surface Mount |
Key Features
- Seven NPN Darlington pairs per package
- Output current of 500 mA per driver (600 mA peak)
- High-voltage outputs: 50 V
- Integrated suppression diodes for inductive load driving
- Outputs can be paralleled for higher current capability
- TTL/CMOS/PMOS/DTL compatible inputs
- Input pins placed opposite to output pins to simplify board layout
- 10.5kΩ series base resistor for operation directly from CMOS devices with supply voltages of 6V to 15V
Applications
- Relay drivers
- Hammer drivers
- Lamp drivers
- Display drivers (LED and gas discharge)
- Line drivers
- Logic buffers
- Solenoids, DC motors, thermal printheads, and high-power buffers
Q & A
- What is the maximum output voltage of the ULN2004AINS?
The maximum output voltage is 50 V.
- What is the continuous collector current rating of a single Darlington pair?
The continuous collector current rating is 500 mA.
- Can the outputs of the ULN2004AINS be paralleled for higher current capability?
- What types of logic are the inputs of the ULN2004AINS compatible with?
The inputs are compatible with TTL, CMOS, PMOS, and DTL logic.
- What is the operating ambient temperature range of the ULN2004AINS?
The operating ambient temperature range is -40°C to 85°C.
- What is the package type of the ULN2004AINS?
The package type is 16-SOIC.
- What is the purpose of the integrated suppression diodes in the ULN2004AINS?
The integrated suppression diodes are for driving inductive loads.
- Can the ULN2004AINS be used with CMOS devices?
- What are some common applications of the ULN2004AINS?
- How are the input and output pins arranged on the ULN2004AINS?
The input pins are placed opposite to the output pins to simplify board layout.
