Overview
The ADGS1612BCPZ-RL7, produced by Analog Devices Inc., is a high-performance, quad single-pole/single-throw (SPST) analog switch integrated circuit. This device is controlled via a serial peripheral interface (SPI) and is designed for applications requiring low on-resistance (RON) and high linearity. The ADGS1612 features robust error detection mechanisms, including cyclic redundancy check (CRC) error detection, invalid read/write address detection, and serial clock (SCLK) count error detection. It operates over a wide range of supply voltages and is packaged in a 24-lead LFCSP (4x4 mm) package, making it suitable for various high-reliability applications.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit | Conditions |
|---|---|---|---|---|
| Analog Signal Range | 0 V to VDD | V | VSS to VDD | |
| On Resistance (RON) | 0.95 Ω | 1.45 Ω | Ω | VS = 0 V to 10 V, IS = −10 mA |
| On Resistance Match Between Channels (∆RON) | 0.03 Ω | 0.08 Ω | Ω | VS = 0 V to 10 V, IS = −10 mA |
| On Resistance Flatness (RFLAT) | 0.2 Ω | Ω | VS = 0 V to 10 V | |
| Supply Voltage Range | ±3.3 V to ±8 V (dual-supply), 3.3 V to 16 V (single-supply) | V | ||
| Operating Temperature Range | -40°C to 125°C | °C | ||
| Package Type | 24-lead LFCSP (4x4 mm) |
Key Features
- Quad SPST analog switches with SPI interface for control.
- Low on-resistance (RON) of 0.95 Ω typical at 25°C.
- Robust error detection features including CRC, invalid read/write address detection, and SCLK count error detection.
- Wide supply voltage range: ±3.3 V to ±8 V (dual-supply), 3.3 V to 16 V (single-supply).
- 1.8 V logic compatibility with 2.7 V ≤ VL ≤ 3.3 V.
- Break-before-make switching action suitable for multiplexer applications.
- Ability to daisy-chain multiple devices for minimal digital line usage.
Applications
- Communication systems.
- Medical systems.
- Audio and video signal routing.
- Automatic test equipment.
- Data acquisition systems.
- Battery-powered systems.
- Sample-and-hold systems.
- Relay replacements.
Q & A
- What is the typical on-resistance of the ADGS1612?
The typical on-resistance (RON) of the ADGS1612 is 0.95 Ω at 25°C. - What is the operating temperature range of the ADGS1612?
The operating temperature range is -40°C to 125°C. - What package type is the ADGS1612 available in?
The ADGS1612 is available in a 24-lead LFCSP (4x4 mm) package. - What are the key error detection features of the ADGS1612?
The key error detection features include cyclic redundancy check (CRC) error detection, invalid read/write address detection, and serial clock (SCLK) count error detection. - Can multiple ADGS1612 devices be daisy-chained?
Yes, multiple ADGS1612 devices can be daisy-chained to minimize the number of digital lines required. - What is the analog signal range of the ADGS1612?
The analog signal range extends from 0 V to VDD. - Is the ADGS1612 suitable for audio signal switching?
Yes, the ADGS1612 is suitable for audio signal switching due to its low RON and flat RON profile over the full analog input range. - What are some common applications of the ADGS1612?
Common applications include communication systems, medical systems, audio and video signal routing, automatic test equipment, data acquisition systems, and more. - Does the ADGS1612 support burst mode operation?
Yes, the ADGS1612 can operate in burst mode to decrease the time between SPI commands. - What is the logic voltage compatibility of the ADGS1612?
The ADGS1612 is compatible with 1.8 V logic and operates with 2.7 V ≤ VL ≤ 3.3 V.
