Overview
The ADG3245BRU, produced by Analog Devices Inc., is a 2.5 V or 3.3 V, 8-bit, 2-port digital switch. It is designed using Analog Devices' low voltage CMOS process, which ensures low power dissipation while maintaining high switching performance. This device is particularly suited for applications requiring level translation between different voltage supplies, such as interfacing converters with DSPs or microcontrollers.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Supply Voltage | VCC | 2.3 | 3.6 | V | ||
| Input High Voltage | VINH | VCC = 2.7 V to 3.6 V | 2.0 | V | ||
| Input Low Voltage | VINL | VCC = 2.7 V to 3.6 V | 0.8 | V | ||
| Propagation Delay through Switch | tPD | 225 | ps | |||
| Data Rate | VCC = SEL = 3.3 V; VA/VB = 2 V | 1.244 | Gbps | |||
| On Resistance | RON | VCC = 3 V, SEL = VCC, VA = 0 V, IBA = 8 mA | 4.5 | 8 | Ω | |
| Bandwidth | 610 | MHz | ||||
| Operating Temperature | -40 | 85 | °C | |||
| Package | 20-Lead TSSOP and LFCSP |
Key Features
- 2.5 V or 3.3 V supply operation, with a wide voltage range of 2.3 V to 3.6 V.
- Extremely low propagation delay through the switch, typically 225 ps.
- High data rate capability of up to 1.244 Gbps.
- Level/voltage translation between 3.3 V, 2.5 V, and 1.8 V.
- Low on-resistance of 4.5 Ω to 8 Ω.
- High bandwidth of 610 MHz.
- Available in 20-lead TSSOP and LFCSP packages.
- Operating temperature range from -40°C to 85°C.
- Single supply operation with low power dissipation.
Applications
- Voltage translation: 3.3 V to 2.5 V, 3.3 V to 1.8 V, and 2.5 V to 1.8 V.
- Bus switching and bus isolation.
- Hot swap and hot plug applications.
- Analog switch applications.
- Communication systems.
- Control systems.
- Testing and measurement equipment.
- Data transmission.
- Audio and video processing.
- Storage systems.
Q & A
- What is the ADG3245BRU used for?
The ADG3245BRU is used for level translation between different voltage supplies, bus switching, and various other digital switching applications.
- What are the supply voltage options for the ADG3245BRU?
The ADG3245BRU can operate with supply voltages ranging from 2.3 V to 3.6 V.
- What is the propagation delay of the ADG3245BRU?
The propagation delay through the switch is typically 225 ps.
- What is the maximum data rate supported by the ADG3245BRU?
The maximum data rate supported is up to 1.244 Gbps.
- What are the available packages for the ADG3245BRU?
The device is available in 20-lead TSSOP and LFCSP packages.
- What is the operating temperature range of the ADG3245BRU?
The operating temperature range is from -40°C to 85°C.
- What are some common applications of the ADG3245BRU?
Common applications include voltage translation, bus switching, hot swap, hot plug, and various control and communication systems.
- What is the on-resistance of the ADG3245BRU?
The on-resistance is typically between 4.5 Ω and 8 Ω.
- What is the bandwidth of the ADG3245BRU?
The bandwidth is 610 MHz.
- Is the ADG3245BRU suitable for high-speed applications?
Yes, it is suitable for high-speed applications due to its low propagation delay and high data rate capability.
