ULN2004ADR
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Texas Instruments ULN2004ADR

Manufacturer No:
ULN2004ADR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
TRANS 7NPN DARL 50V 0.5A 16SOIC
Delivery:
Payment:
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Product Introduction

Overview

The ULN2004ADR is a high-voltage, high-current Darlington transistor array produced by Texas Instruments. This device is part of the ULN200x series, which is designed for driving high-current loads such as relays, lamps, and display drivers. The ULN2004ADR is particularly suited for applications requiring low input current and high output current drive, making it an efficient choice for various industrial and consumer electronics.

Key Specifications

ParameterValue
Package TypeSOIC (16), PDIP (16), SOP (16), TSSOP (16)
Package SizeSOIC: 9.90mm × 3.91mm, PDIP: 19.30mm × 6.35mm, SOP: 10.30mm × 5.30mm, TSSOP: 5.00mm × 4.40mm
Number of Channels7
Input Voltage RangeUp to 15V for CMOS compatibility
Output Current per ChannelUp to 500 mA
Maximum Collector-Emitter Voltage (Vce)50V
Input CurrentTypically below 1.35 mA for ULN2004A
Operating Temperature Range-40°C to 105°C

Key Features

  • Darlington connected NPN transistors providing high-current gain (β2) up to 10,000 A/A
  • Low input current requirement, suitable for operation with low GPIO voltages
  • Integrated base resistors (10.5kΩ for ULN2004A) for direct operation with CMOS devices
  • Diodes for suppressing kick-back voltage from inductive loads
  • High-voltage and high-current capabilities, making it suitable for driving relays, lamps, and display drivers

Applications

  • Relay drivers
  • Hammer drivers
  • Lamp drivers
  • Display drivers (LED and gas discharge)
  • Line drivers
  • Logic buffers

Q & A

  1. What is the ULN2004ADR used for? The ULN2004ADR is used for driving high-current loads such as relays, lamps, and display drivers.
  2. What is the input voltage range for the ULN2004ADR? The input voltage range is up to 15V for CMOS compatibility.
  3. How many channels does the ULN2004ADR have? The ULN2004ADR has 7 channels.
  4. What is the maximum output current per channel? The maximum output current per channel is up to 500 mA.
  5. What is the maximum collector-emitter voltage (Vce) for the ULN2004ADR? The maximum collector-emitter voltage (Vce) is 50V.
  6. What is the typical input current for the ULN2004ADR? The typical input current is below 1.35 mA.
  7. What is the operating temperature range for the ULN2004ADR? The operating temperature range is -40°C to 105°C.
  8. What types of packages are available for the ULN2004ADR? The available packages include SOIC (16), PDIP (16), SOP (16), and TSSOP (16).
  9. What are the key features of the Darlington connected NPN transistors in the ULN2004ADR? The Darlington connected NPN transistors provide high-current gain (β2) up to 10,000 A/A and low input current requirement.
  10. How does the ULN2004ADR suppress kick-back voltage? The ULN2004ADR uses diodes to suppress kick-back voltage from inductive loads.

Product Attributes

Switch Type:Relay, Solenoid Driver
Number of Outputs:7
Ratio - Input:Output:1:1
Output Configuration:Low Side
Output Type:NPN
Interface:Parallel
Voltage - Load:50V (Max)
Voltage - Supply (Vcc/Vdd):Not Required
Current - Output (Max):500mA
Rds On (Typ):- 
Input Type:Inverting
Features:- 
Fault Protection:- 
Operating Temperature:-40°C ~ 70°C (TA)
Mounting Type:Surface Mount
Supplier Device Package:16-SOIC
Package / Case:16-SOIC (0.154", 3.90mm Width)
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Similar Products

Part Number ULN2004ADR ULQ2004ADR ULN2004AIDR ULN2003ADR ULN2004AD
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active
Switch Type Relay, Solenoid Driver Relay, Solenoid Driver Relay, Solenoid Driver Relay, Solenoid Driver Relay, Solenoid Driver
Number of Outputs 7 7 7 7 7
Ratio - Input:Output 1:1 1:1 1:1 1:1 1:1
Output Configuration Low Side Low Side Low Side Low Side Low Side
Output Type NPN NPN NPN NPN NPN
Interface Parallel Parallel Parallel Parallel Parallel
Voltage - Load 50V (Max) 50V (Max) 50V (Max) 50V (Max) 50V (Max)
Voltage - Supply (Vcc/Vdd) Not Required Not Required Not Required Not Required Not Required
Current - Output (Max) 500mA 500mA 500mA 500mA 500mA
Rds On (Typ) - - - - -
Input Type Inverting Inverting Inverting Inverting Inverting
Features - - - - -
Fault Protection - - - - -
Operating Temperature -40°C ~ 70°C (TA) -40°C ~ 85°C (TA) -40°C ~ 105°C (TA) -40°C ~ 70°C (TA) -40°C ~ 70°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Supplier Device Package 16-SOIC 16-SOIC 16-SOIC 16-SOIC 16-SOIC
Package / Case 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width)

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