Overview
The STG3820BJR, produced by STMicroelectronics, is a high-speed CMOS low voltage quad analog DPDT (dual pole dual throw) switch or 2:1 multiplexer/demultiplexer switch. Fabricated in silicon gate C2MOS technology, this device is designed to operate from 1.65 V to 4.3 V, making it ideal for portable applications. It features ultralow power dissipation, low "ON" resistance, and a wide operating voltage range, making it suitable for various high-speed signal switching applications.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Supply Voltage (VCC) | 1.65 to 4.3 | V | Recommended Operating Conditions |
| Input Voltage (VI) | 0 to VCC | V | Recommended Operating Conditions |
| Control Input Voltage (VIC) | 0 to 4.3 | V | Recommended Operating Conditions |
| Output Voltage (VO) | 0 to VCC | V | Recommended Operating Conditions |
| Operating Temperature (TA) | -40 to 85 | °C | Recommended Operating Conditions |
| ON Resistance (RON) at VCC = 3.0 V | 5.1 to 5.8 | Ω | VS = 3 V, IS = 8 mA |
| Propagation Delay (tPLH, tPHL) | 0.13 to 0.21 | ns | VCC = 1.65 to 4.3 V |
| Turn-on Time (tON) | 13 to 36 | ns | VCC = 1.65 to 4.3 V |
| Turn-off Time (tOFF) | 11 to 29 | ns | VCC = 1.65 to 4.3 V |
| Break-before-make Time Delay (tD) | 4 to 10 | ns | VCC = 1.65 to 4.3 V |
Key Features
- Ultralow Power Dissipation: ICC = 1 µA (max.) at TA = 85 °C.
- Low ON Resistance: RON = 5.4 Ω (TA = 25 °C) at VCC = 4.3 V.
- Wide Operating Voltage Range: VCC (OPR.) = 1.65 V to 4.3 V.
- High Speed Signal Switching: Compliant with USB 2.0 high speed (480 Mbps) and typical bandwidth (-3 dB) at 800 MHz on all channels.
- Integrated Fail Safe Function: To withstand overvoltage conditions when the device is powered off.
- ESD Protection: ESD performance exceeds JESD22 2000-V human body model (A114-A).
- Fast Switching Speed: Fast turn-on and turn-off times.
- Break-before-make Delay Time: Ensures no short circuit during switching.
Applications
The STG3820BJR is particularly suited for mobile phones and other portable applications due to its low power consumption and high-speed signal switching capabilities. It can also be used in various other applications requiring low voltage, high bandwidth signal switching, such as in audio and video signal routing, and in general-purpose analog signal switching.
Q & A
- What is the operating voltage range of the STG3820BJR?
The operating voltage range of the STG3820BJR is from 1.65 V to 4.3 V.
- What is the typical ON resistance of the STG3820BJR at VCC = 3.0 V?
The typical ON resistance at VCC = 3.0 V is between 5.1 Ω and 5.8 Ω.
- Is the STG3820BJR compliant with USB 2.0 high speed standards?
Yes, the STG3820BJR is compliant with USB 2.0 high speed (480 Mbps) standards.
- What is the maximum propagation delay of the STG3820BJR?
The maximum propagation delay (tPLH, tPHL) ranges from 0.13 ns to 0.21 ns depending on the VCC voltage.
- Does the STG3820BJR have built-in ESD protection?
Yes, the STG3820BJR has ESD protection that exceeds JESD22 2000-V human body model (A114-A).
- What is the break-before-make time delay of the STG3820BJR?
The break-before-make time delay (tD) ranges from 4 ns to 10 ns depending on the VCC voltage.
- What is the typical bandwidth of the STG3820BJR?
The typical bandwidth (-3 dB) of the STG3820BJR is at 800 MHz on all channels.
- Does the STG3820BJR have an integrated fail safe function?
Yes, the STG3820BJR has an integrated fail safe function to withstand overvoltage conditions when the device is powered off.
- What is the maximum power dissipation of the STG3820BJR at TA = 70 °C?
The maximum power dissipation at TA = 70 °C is 1120 mW.
- What is the storage temperature range for the STG3820BJR?
The storage temperature range for the STG3820BJR is from -65 °C to +150 °C.
