Overview
The ADG221KRZ is a quad single-pole single-throw (SPST) analog switch produced by Analog Devices Inc. This integrated circuit is designed for high-performance switching applications, offering low on-resistance and high off-isolation. The device is packaged in a 16-pin SOIC and operates over a wide analog signal range of ±15V.
The ADG221KRZ is suitable for various analog signal switching needs, including audio, video, and general-purpose signal routing. Its compact package and robust performance make it an ideal choice for space-constrained and high-reliability applications.
Key Specifications
| Parameter | Typical Value | Maximum Value | Conditions |
|---|---|---|---|
| On-Resistance (RON) | 90 Ω | - | VS = ±15 V, VD = ±15 V |
| Channel On Leakage (ID, IS (On)) | ±0.01 nA | ±1 nA | VS = VD = ±10 V |
| Input High Voltage (VINH) | 2.0 V | - | - |
| Input Low Voltage (VINL) | 0.8 V | - | - |
| Input Current (IINL or IINH) | 0.005 μA | ±0.1 μA | VIN = VINL or VINH |
| Digital Input Capacitance (CIN) | 3 pF | - | - |
| Turn-On Time (tON) | 190 ns | 345 ns | RL = 300 Ω, CL = 35 pF, VS = 8 V |
| Turn-Off Time (tOFF) | 120 ns | 225 ns | RL = 300 Ω, CL = 35 pF, VS = 8 V |
| Operating Temperature Range | -40°C to +125°C | - | - |
| Storage Temperature Range | -65°C to +150°C | - | - |
Key Features
- Quad SPST Configuration: Four independent single-pole single-throw switches in one package, allowing for multiple signal paths to be controlled.
- Low On-Resistance: 90 Ω typical on-resistance ensures minimal signal attenuation and distortion.
- High Off-Isolation: Excellent isolation between channels when switches are in the off state, reducing crosstalk and interference.
- Wide Analog Signal Range: Operates over a ±15V analog signal range, making it versatile for various applications.
- Compact SOIC Package: 16-pin SOIC package is space-efficient and suitable for dense PCB designs.
- Low Power Consumption: Low current consumption, with typical values of 0.001 μA, making it energy-efficient.
Applications
- Audio and Video Switching: Ideal for routing audio and video signals in consumer electronics and professional audio/video equipment.
- General-Purpose Signal Routing: Suitable for switching various types of analog signals in industrial, medical, and automotive applications.
- Test and Measurement Equipment: Used in signal routing and switching within test and measurement instruments.
- Telecommunications: Applicable in telecommunications equipment for signal routing and switching.
Q & A
- What is the typical on-resistance of the ADG221KRZ?
The typical on-resistance of the ADG221KRZ is 90 Ω.
- What is the operating temperature range of the ADG221KRZ?
The operating temperature range of the ADG221KRZ is -40°C to +125°C.
- How many channels does the ADG221KRZ have?
The ADG221KRZ has four independent single-pole single-throw (SPST) channels.
- What is the maximum continuous current per channel for the ADG221KRZ?
The maximum continuous current per channel for the ADG221KRZ is 30 mA.
- What is the typical turn-on time for the ADG221KRZ?
The typical turn-on time for the ADG221KRZ is 190 ns.
- What is the storage temperature range for the ADG221KRZ?
The storage temperature range for the ADG221KRZ is -65°C to +150°C.
- What is the package type of the ADG221KRZ?
The ADG221KRZ is packaged in a 16-pin SOIC.
- What is the maximum input current for the digital inputs of the ADG221KRZ?
The maximum input current for the digital inputs of the ADG221KRZ is ±0.1 μA.
- What is the typical digital input capacitance of the ADG221KRZ?
The typical digital input capacitance of the ADG221KRZ is 3 pF.
- What are some common applications of the ADG221KRZ?
The ADG221KRZ is commonly used in audio and video switching, general-purpose signal routing, test and measurement equipment, and telecommunications.
