Overview
The ADG4612BCPZ-REEL7, produced by Analog Devices Inc., is a quad single-pole single-throw (SPST) analog switch. This component is designed to provide power-off protection and is suitable for applications requiring low on-resistance and minimal signal distortion. The ADG4612 features four independent switches that can be controlled digitally, with each switch conducting equally well in both directions when on. The device is particularly useful in scenarios where analog signals may be present at the switch inputs before power is applied or where the user has no control over the power supply sequence.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| On Resistance (RON) | 5.2 Ω | - | - |
| Supply Voltage | ±5 V, +12 V | V | - |
| Input Signal Range | Up to the supplies | V | - |
| Switching Time (tON, tOFF) | 73 ns (typ), 125 ns (max), 100 ns (typ), 125 ns (max) | ns | RL = 300 Ω, CL = 35 pF, VS = 3 V |
| Charge Injection | 75 pC (typ) | pC | VS = 0 V, RS = 0 Ω, CL = 1 nF |
| Off Isolation | -54 dB (typ) | dB | RL = 50 Ω, CL = 5 pF, f = 100 kHz |
| Operating Temperature Range | -40°C to +105°C | °C | - |
| Package | 16-Lead LFCSP (3mm x 3mm w/ EP), 16-Lead TSSOP | - | - |
Key Features
- Power-Off Protection: The switches remain in the OFF condition when no power supplies are present, ensuring high impedance inputs and preventing current flow that could damage the switch.
- Low On Resistance: The ADG4612 has an ultralow on resistance of 5.2 Ω, making it ideal for data acquisition and gain switching applications where low on resistance and distortion are critical.
- Flat On Resistance Profile: The on resistance profile is very flat over the full analog input range, ensuring excellent linearity and low distortion when switching audio signals.
- Fast Switching Times: The device features fast switching times with tON and tOFF of 73 ns and 100 ns respectively.
- Overvoltage Protection: The switches can handle signal levels up to 16 V in the off condition.
- Robust ESD Protection: The ADG4612 is compliant with JEDEC standards and has robust ESD protection.
Applications
- Data Acquisition Systems: Ideal for applications requiring low on resistance and minimal signal distortion.
- Gain Switching: Suitable for gain switching applications where low on resistance is critical.
- Audio and Video Switching: The flat on resistance profile makes it suitable for audio and video switching applications.
- Communication Systems: Used in communication systems where fast switching times and low distortion are necessary.
Q & A
- What is the on resistance of the ADG4612?
The on resistance of the ADG4612 is 5.2 Ω.
- What are the available package options for the ADG4612?
The ADG4612 is available in 16-Lead LFCSP (3mm x 3mm w/ EP) and 16-Lead TSSOP packages.
- What is the operating temperature range of the ADG4612?
The operating temperature range is -40°C to +105°C.
- Does the ADG4612 have power-off protection?
Yes, the ADG4612 has power-off protection, ensuring the switches remain in the OFF condition when no power supplies are present.
- What are the typical switching times for the ADG4612?
The typical switching times are tON = 73 ns and tOFF = 100 ns.
- What is the maximum signal level that the ADG4612 can handle in the off condition?
The ADG4612 can handle signal levels up to 16 V in the off condition.
- Is the ADG4612 suitable for audio switching applications?
Yes, the flat on resistance profile makes it suitable for audio switching applications.
- What is the charge injection of the ADG4612?
The charge injection is 75 pC (typ).
- Does the ADG4612 have ESD protection?
Yes, the ADG4612 is compliant with JEDEC standards and has robust ESD protection.
- What are some common applications of the ADG4612?
