Overview
The ADG3245BRUZ is a 2.5 V or 3.3 V, 8-bit, 2-port digital switch manufactured by Analog Devices Inc. This device is designed on Analog Devices’ low voltage CMOS process, which ensures low power dissipation while providing high switching speed and very low on-resistance. The ADG3245 is ideal for applications requiring level translation between different voltage supplies, such as interfacing converters to DSPs or microcontrollers. It features bidirectional signal switching, low propagation delay, and high data transfer rates, making it suitable for a variety of digital switching applications.
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 | tPD | 225 | ps | |||
| Switch Connection Resistance | RON | VCC = 3 V, SEL = VCC, VA = 0 V, IBA = 8 mA | 4.5 | Ω | ||
| Data Rate | VCC = SEL = 3.3 V, VA/VB = 2 V | 1.244 | Gbps | |||
| Small Signal Bandwidth | 610 | MHz | ||||
| Operating Temperature Range | -40 | 85 | °C | |||
| Package Type | 20-Lead TSSOP and LFCSP |
Key Features
- 2.5 V or 3.3 V supply operation with selectable level shifting/translation.
- Extremely low propagation delay of 225 ps through the switch.
- Low on-resistance of 4.5 Ω, allowing inputs to be connected to outputs without additional propagation delay or ground bounce noise.
- Data rate of up to 1.244 Gbps and small signal bandwidth of 610 MHz.
- Bidirectional signal switching when enabled, and signal levels up to the supplies are blocked when disabled.
- Low power consumption and high-speed interface capabilities.
- Available in 20-lead TSSOP and LFCSP packages.
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).
- Converter to DSP/microcontroller interfacing).
Q & A
- Q: What is the ADG3245BRUZ used for?
A: The ADG3245BRUZ is used for level translation, bus switching, bus isolation, hot swap, hot plug, and analog switch applications.
- Q: What are the supply voltage options for the ADG3245BRUZ?
A: The ADG3245BRUZ can operate with supply voltages of 2.5 V or 3.3 V.
- Q: What is the propagation delay of the ADG3245BRUZ?
A: The propagation delay of the ADG3245BRUZ is 225 ps).
- Q: What is the maximum data rate of the ADG3245BRUZ?
A: The maximum data rate of the ADG3245BRUZ is 1.244 Gbps).
- Q: What are the package types available for the ADG3245BRUZ?
A: The ADG3245BRUZ is available in 20-lead TSSOP and LFCSP packages).
- Q: What is the operating temperature range of the ADG3245BRUZ?
A: The operating temperature range of the ADG3245BRUZ is -40°C to +85°C).
- Q: What is the small signal bandwidth of the ADG3245BRUZ?
A: The small signal bandwidth of the ADG3245BRUZ is 610 MHz).
- Q: Is the ADG3245BRUZ suitable for hot swap and hot plug applications?
A: Yes, the ADG3245BRUZ is suitable for hot swap and hot plug applications).
- Q: What is the on-resistance of the ADG3245BRUZ?
A: The on-resistance of the ADG3245BRUZ is typically 4.5 Ω).
- Q: What warranty is offered for the ADG3245BRUZ by some suppliers?
A: Some suppliers, like Ovaga, offer a 1-year warranty for the ADG3245BRUZ).
