Overview
The ULN2004ANSR is a high-voltage, high-current Darlington transistor array produced by Texas Instruments. This device consists of seven NPN Darlington pairs, each capable of handling high-voltage outputs and featuring common-cathode clamp diodes for switching inductive loads. The ULN2004ANSR is designed to interface with various types of logic, including TTL, CMOS, PMOS, and DTL, making it versatile for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | DIP-16, SO-16, TSSOP16 | |
| Output Voltage (Vceo) | 50 | V |
| Continuous Collector Current (IC) | 500 mA | mA |
| Peak Collector Current | 600 mA | mA |
| Collector-Emitter Saturation Voltage (Vce(SAT)) | 1.1 V (typical) | V |
| Input Voltage Compatibility | TTL, CMOS, PMOS, DTL | |
| Operating Ambient Temperature Range | -40 to 85 | °C |
| Junction Temperature | 150 | °C |
Key Features
- Seven Darlington pairs per package
- High-voltage outputs: 50 V
- Output current: 500 mA per driver (600 mA peak)
- Integrated suppression diodes for inductive load driving
- Inputs compatible with TTL, CMOS, PMOS, and DTL logic
- Outputs can be paralleled for higher current capability
- Input pins placed opposite to output pins to simplify board layout
Applications
- Relay drivers
- Lamp drivers
- Display drivers (LED and gas discharge)
- Stepper and DC brushed motor drivers
- Solenoids and hammer drivers
- Line drivers and logic buffers
- Thermal printheads
Q & A
- What is the ULN2004ANSR?
The ULN2004ANSR is a high-voltage, high-current Darlington transistor array produced by Texas Instruments.
- How many Darlington pairs does the ULN2004ANSR contain?
The ULN2004ANSR contains seven NPN Darlington pairs.
- What is the maximum output voltage of the ULN2004ANSR?
The maximum output voltage is 50 V.
- What is the continuous collector current rating of the ULN2004ANSR?
The continuous collector current rating is 500 mA per driver.
- Can the outputs of the ULN2004ANSR be paralleled for higher current?
Yes, the outputs can be paralleled for higher current capability.
- What types of logic are the inputs of the ULN2004ANSR compatible with?
The inputs are compatible with TTL, CMOS, PMOS, and DTL logic.
- What is the operating ambient temperature range of the ULN2004ANSR?
The operating ambient temperature range is -40 to 85°C.
- What are some common applications of the ULN2004ANSR?
Common applications include relay drivers, lamp drivers, display drivers, and motor drivers.
- Does the ULN2004ANSR have integrated suppression diodes?
Yes, it has integrated suppression diodes for inductive load driving.
- What is the junction temperature limit of the ULN2004ANSR?
The junction temperature limit is 150°C.
