Overview
The ADG3301BKSZ-REEL, produced by Analog Devices Inc., is a single-channel bidirectional logic level translator. This integrated circuit is designed to facilitate data transfer between devices operating at different voltage levels, making it an essential component in multivoltage digital systems. The ADG3301 operates over a wide voltage range from 1.15 V to 5.5 V, ensuring compatibility with various low and high voltage devices such as DSP/controllers and other digital systems.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Power Supply Voltages | VCCA | VCCA ≤ VCCY | 1.15 | 5.5 | V | |
| VCCY | 1.65 | 5.5 | V | |||
| Quiescent Power Supply Current | ICCA | VA = 0 V/VCCA, VY = 0 V/VCCY, VCCA = VCCY = 5.5 V, EN = 1 | 0.17 | 5 | µA | |
| ICCY | VA = 0 V/VCCA, VY = 0 V/VCCY, VCCA = VCCY = 5.5 V, EN = 1 | 0.27 | 5 | µA | ||
| Propagation Delay (A→Y) | tP, A→Y | RS = RT = 50 Ω, CL = 50 pF | 9 | 18 | ns | |
| Rise Time (A→Y) | tR, A→Y | RS = RT = 50 Ω, CL = 50 pF | 3 | 5 | ns | |
| Fall Time (A→Y) | tF, A→Y | RS = RT = 50 Ω, CL = 50 pF | 2 | 5 | ns | |
| Maximum Data Rate (A→Y) | DMAX, A→Y | 40 | Mbps | |||
| Part-to-Part Skew (A→Y) | tPPSKEW, A→Y | 10 | ns |
Key Features
- Bidirectional Logic Level Translation: The ADG3301 can translate logic levels in both A→Y and Y→A directions without the need for a direction pin.
- Wide Voltage Range: Operates from 1.15 V to 5.5 V, making it suitable for a variety of digital systems.
- Low Quiescent Current: Less than 5 µA, which is beneficial for power-sensitive applications.
- High Speed: Supports data rates up to 50 Mbps and has propagation delays as low as 9 ns.
- Three-State Mode: When the enable pin (EN) is set to 0, the A and Y pins are three-stated.
- Compact Package: Available in a 6-pin SC-70 package, making it suitable for space-constrained designs.
Applications
- SPI and MICROWIRE Level Translation: Ideal for translating logic levels in SPI and MICROWIRE interfaces.
- Low Voltage ASIC Level Translation: Suitable for translating logic levels between low voltage ASICs and higher voltage devices.
- Smart Card Readers: Used in smart card readers to ensure compatible voltage levels.
- Cell Phones and Cell Phone Cradles: Utilized in portable communication devices to manage different voltage levels.
- Telecommunications Equipment and Network Switches/Routers: Employed in various telecommunications and networking equipment to facilitate data transfer between different voltage domains.
Q & A
- What is the voltage range of the ADG3301?
The ADG3301 operates from 1.15 V to 5.5 V. - Does the ADG3301 require a direction pin for level translation?
No, the ADG3301 does not require a direction pin for level translation; it is bidirectional. - What is the maximum data rate supported by the ADG3301?
The ADG3301 supports data rates up to 50 Mbps. - What is the quiescent current of the ADG3301?
The quiescent current of the ADG3301 is less than 5 µA. - What is the propagation delay of the ADG3301 in the A→Y direction?
The propagation delay in the A→Y direction is typically 18 ns. - What package type is the ADG3301 available in?
The ADG3301 is available in a 6-pin SC-70 package. - What are some common applications of the ADG3301?
Common applications include SPI and MICROWIRE level translation, low voltage ASIC level translation, smart card readers, cell phones, and telecommunications equipment. - How does the three-state mode work on the ADG3301?
When the enable pin (EN) is set to 0, the A and Y pins are three-stated. - What is the part-to-part skew of the ADG3301 in the A→Y direction?
The part-to-part skew in the A→Y direction is 10 ns. - Is the ADG3301 suitable for high-speed applications?
Yes, the ADG3301 supports high-speed data transfer with propagation delays and rise/fall times suitable for many high-speed applications.
