Manufacturer Part Number
ADG221KN
Manufacturer
Analog Devices
Introduction
The ADG221KN is an interface device including analog switches, multiplexers, and demultiplexers from Analog Devices.
Product Features and Performance
SPST - NC (Single Pole Single Throw Normally Closed) switch configuration
1:1 Multiplexer/Demultiplexer circuit
Quad independent channels
On-State Resistance Maximum at 90 Ohms
Channel-to-Channel Matching at 4.5 Ohms
Single Supply Voltage at 15V or Dual Supply Voltage at ±15V
Switching Time Max at 350ns for Turn-On and 250ns for Turn-Off
Charge Injection of 20pC
Channel Off Capacitance of 5pF
Leakage Current Max at 2nA
Crosstalk of -80dB at 100kHz
Designed to operate over a range of -40°C to 85°C
Product Advantages
Low charge injection for minimal signal distortion
Good channel-to-channel matching for predictable performance
Low on-resistance and leakage current to improve signal integrity
Capable of operating with dual or single supply voltage for design flexibility
Key Technical Parameters
Number of Circuits: 4
Voltage - Supply, Single: 15V
Voltage - Supply, Dual: ±15V
On-State Resistance (Max): 90Ohm
Switch Time (Ton, Toff) (Max): 350ns/250ns
Quality and Safety Features
Operational temperature range from -40°C to 85°C to ensure reliability across various environments
Compatibility
Through Hole mounting compatible with standard PCBs
16-DIP packaging compatible with widely used DIP sockets
Application Areas
Precision analog signal routing
Data acquisition systems
Communication systems
Audio and video switching
Product Lifecycle
Obsolete status; check for potential replacement or upgrade options
Several Key Reasons to Choose This Product
Low crosstalk ensures minimal interference between channels
Quad channels provide multiple routing options within a compact package
High precision with low charge injection and channel matching for accurate signal management
Wide operating temperature range suitable for harsh environments
Compatibility with both single and dual power supplies offers design versatility