Overview
The ADG3300BRUZ-REEL7, produced by Analog Devices Inc., is a bidirectional logic level translator designed for use in multivoltage digital system applications. This device contains eight bidirectional channels, enabling it to translate logic levels between two different voltage domains without the need for an additional direction-setting signal. The ADG3300 is particularly useful in systems where data needs to be transferred between a low-voltage DSP/controller and a higher voltage device.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Power Supply Voltages (VCCA) | VCCA | VCCA ≤ VCCY | 1.15 | - | 5.5 | V |
| Power Supply Voltages (VCCY) | VCCY | - | 1.65 | - | 5.5 | V |
| Quiescent Power Supply Current (ICCA) | ICCA | VA = 0 V/VCCA, VY = 0 V/VCCY, VCCA = VCCY = 5.5 V, EN = 1 | 0.17 | - | 5 | µA |
| Quiescent Power Supply Current (ICCY) | ICCY | VA = 0 V/VCCA, VY = 0 V/VCCY, VCCA = VCCY = 5.5 V, EN = 1 | 0.27 | - | 5 | µA |
| Propagation Delay (tP, A-Y) | tP, A-Y | RS = RT = 50 Ω, CL = 15 pF | 8 | - | 11 | ns |
| Rise Time (tR, A-Y) | tR, A-Y | RS = RT = 50 Ω, CL = 15 pF | 2 | - | 5 | ns |
| Fall Time (tF, A-Y) | tF, A-Y | RS = RT = 50 Ω, CL = 15 pF | 2 | - | 5 | ns |
| Maximum Data Rate (DMAX, A-Y) | DMAX, A-Y | - | - | - | 50 | Mbps |
| Channel-to-Channel Skew (tSKEW, A-Y) | tSKEW, A-Y | - | 2 | - | 4 | ns |
Key Features
- Bidirectional Logic Level Translation: The ADG3300 can translate logic levels in both the A-Y and Y-A directions without an additional direction-setting signal.
- Eight Bidirectional Channels: Each channel can independently translate logic levels, making it versatile for various multivoltage system applications.
- Low Voltage Operation: Supports power supply voltages from 1.15 V to 5.5 V, making it suitable for low-power and low-voltage systems.
- High-Speed Operation: Offers propagation delays as low as 8 ns and maximum data rates up to 50 Mbps.
- Low Quiescent Current: Features low quiescent power supply currents, reducing overall system power consumption.
- Three-State Mode: When the enable pin (EN) is low, the A pins are internally pulled down, and the Y pins are three-stated, reducing power consumption in idle states.
Applications
- Multivoltage Digital Systems: Ideal for systems where data transfer occurs between devices operating at different voltage levels.
- Data Transfer Between DSP/Controller and Higher Voltage Devices: Commonly used in scenarios where a low-voltage DSP or controller needs to communicate with higher voltage peripherals.
- Portable POS Systems and Low-Cost Serial Interfaces: Suitable for applications requiring compact and efficient logic level translation.
- General Digital Logic Translation: Can be used in any application requiring bidirectional translation between different voltage domains.
Q & A
- What is the primary function of the ADG3300?
The ADG3300 is a bidirectional logic level translator that translates logic levels between two different voltage domains.
- How many bidirectional channels does the ADG3300 have?
The ADG3300 contains eight bidirectional channels.
- What is the range of power supply voltages supported by the ADG3300?
The device supports power supply voltages from 1.15 V to 5.5 V for both VCCA and VCCY, with VCCA always less than or equal to VCCY.
- What is the maximum data rate supported by the ADG3300?
The ADG3300 supports a maximum data rate of up to 50 Mbps.
- How does the enable pin (EN) affect the operation of the ADG3300?
When EN is high, the device operates in normal mode. When EN is low, the A pins are internally pulled down, and the Y pins are three-stated.
- What is the typical quiescent power supply current for the ADG3300?
The typical quiescent power supply current is 0.17 µA for ICCA and 0.27 µA for ICCY when VCCA = VCCY = 5.5 V and EN = 1.
- What is the propagation delay of the ADG3300?
The propagation delay (tP, A-Y) is between 8 ns and 11 ns under specified conditions.
- What are some common applications of the ADG3300?
Common applications include multivoltage digital systems, data transfer between DSP/controllers and higher voltage devices, and portable POS systems.
- How does the ADG3300 handle channel-to-channel skew?
The channel-to-channel skew (tSKEW, A-Y) is between 2 ns and 4 ns.
- What is the package type of the ADG3300BRUZ-REEL7?
The ADG3300BRUZ-REEL7 comes in a 20-TSSOP package.
