Overview
The ADG3245BCPZ is a 2.5 V or 3.3 V, 8-bit, 2-port digital switch produced by Analog Devices Inc. This device is designed using Analog Devices' low voltage CMOS process, which ensures low power dissipation while maintaining high switching performance. The ADG3245 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 | 225 | ps | ||||
| Data Rate | 1.244 | Gbps | ||||
| Operating Temperature Range | -40 | 85 | °C | |||
| Package Type | 20-Lead TSSOP and LFCSP |
Key Features
- 2.5 V or 3.3 V supply operation
- Extremely low propagation delay through switch (225 ps)
- 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)
- Low power dissipation due to low voltage CMOS process
- Available in 20-lead TSSOP and LFCSP (4 mm x 4 mm) packages
Applications
- Voltage translation between different 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 isolation
- Hot swap and hot plug applications
- Analog switch applications
- Converter to DSP/microcontroller interfacing
Q & A
- What is the supply voltage range for the ADG3245BCPZ? The supply voltage range is from 2.3 V to 3.6 V.
- What is the propagation delay through the switch? The propagation delay is 225 ps.
- What are the available package types for the ADG3245BCPZ? The device is available in 20-lead TSSOP and LFCSP (4 mm x 4 mm) packages.
- What are the key applications of the ADG3245BCPZ? Key applications include voltage translation, bus switching, hot swap, hot plug, and analog switch applications.
- What is the data rate capability of the ADG3245BCPZ? The data rate capability is up to 1.244 Gbps.
- What is the operating temperature range for the ADG3245BCPZ? The operating temperature range is from -40°C to 85°C.
- Does the ADG3245BCPZ support level translation? Yes, it supports level/voltage translation between different supplies.
- What is the typical input leakage current for the ADG3245BCPZ? The typical input leakage current is ±0.01 mA.
- What is the maximum pass voltage for the ADG3245BCPZ? The maximum pass voltage varies depending on the supply voltage and select conditions, but it is typically around 2.0 to 2.9 V.
- Is the ADG3245BCPZ suitable for high-speed applications? Yes, it is suitable for high-speed applications due to its low propagation delay and high data rate capability.
