Overview
The ADG3245BRU-REEL7, produced by Analog Devices Inc., is a 2.5 V or 3.3 V, 8-bit, 2-port digital switch designed on Analog Devices' low voltage CMOS process. This device is optimized for low power dissipation while providing high switching performance. It is particularly suited for applications requiring level translation between different voltage supplies, such as interfacing converters to 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 | VCC = 3.0 V to 3.6 V; SEL = 0 V | 0.5 | 1.7 | 2.9 | ns |
| Bus Enable Time | tPZH, tPZL | VCC = 2.3 V to 2.7 V; SEL = VCC | 0.5 | 2.2 | 3 | ns |
| Bus Disable Time | tPHZ, tPLZ | VCC = 2.3 V to 2.7 V; SEL = VCC | 0.5 | 1.75 | 2.6 | ns |
| Maximum 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 | |
| Operating Temperature Range | Industrial (B Version) | -40 | 85 | °C |
Key Features
- 2.5 V or 3.3 V supply operation
- Extremely low propagation delay through switch (0.5 ns to 2.9 ns)
- Level/voltage translation capabilities (3.3 V to 2.5 V, 3.3 V to 1.8 V, 2.5 V to 1.8 V)
- High data rate of up to 1.244 Gbps
- Low on-resistance (4.5 Ω to 8 Ω)
- Available in 20-lead TSSOP and LFCSP packages
Applications
- Voltage translation between different voltage supplies (e.g., 3.3 V to 2.5 V, 3.3 V to 1.8 V, 2.5 V to 1.8 V)
- Bus switching and bus isolation
- Hot swap and hot plug applications
- Analog switch applications
- Interfacing converters to DSPs or microcontrollers
Q & A
- What is the supply voltage range for the ADG3245BRU-REEL7?
The supply voltage range is from 2.3 V to 3.6 V. - What is the propagation delay through the switch?
The propagation delay through the switch is between 0.5 ns and 2.9 ns. - What are the level translation capabilities of the ADG3245BRU-REEL7?
The device can perform level translation between 3.3 V to 2.5 V, 3.3 V to 1.8 V, and 2.5 V to 1.8 V. - What is the maximum data rate supported by the ADG3245BRU-REEL7?
The maximum data rate is up to 1.244 Gbps. - What are the typical on-resistance values for the ADG3245BRU-REEL7?
The on-resistance values range from 4.5 Ω to 8 Ω. - In what packages is the ADG3245BRU-REEL7 available?
The device is available in 20-lead TSSOP and LFCSP packages. - What are some common applications for the ADG3245BRU-REEL7?
Common applications include voltage translation, bus switching, bus isolation, hot swap, hot plug, and analog switch applications. - What is the operating temperature range for the ADG3245BRU-REEL7?
The operating temperature range is from -40°C to +85°C for the industrial version. - Can the ADG3245BRU-REEL7 be used for interfacing converters to DSPs or microcontrollers?
Yes, it is suitable for such applications due to its level translation capabilities. - What is the storage temperature range for the ADG3245BRU-REEL7?
The storage temperature range is from -65°C to +150°C.
