Overview
The ADG738BRUZ-REEL7, produced by Analog Devices Inc., is a CMOS analog matrix switch that features a 3-wire serial interface. This component is specifically designed as an 8-channel single multiplexer, making it suitable for various applications requiring signal routing and switching. It operates on a single supply voltage ranging from 2.7 V to 5.5 V and is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package). The device is fully specified and guaranteed with 3 V and 5 V supply rails, ensuring robust performance across different voltage levels.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage | 2.7 V to 5.5 V | |
| On Resistance | 2.5 Ω typ | VDD = 5 V, VS = 0 V to VDD |
| On Resistance Flatness | 0.75 Ω typ | VDD = 5 V, VS = 0 V to VDD |
| Off Leakage Current | 100 pA typ | VDD = 5 V, VS = 0 V or VDD |
| Break-Before-Make Time Delay | 12 ns typ | RL = 300 Ω, CL = 35 pF, VS = 2 V |
| Charge Injection | ±3 pC typ | VS = 1.5 V, RS = 0 Ω, CL = 1 nF |
| Off Isolation | -55 dB typ @ 10 MHz, -75 dB typ @ 1 MHz | RL = 50 Ω, CL = 5 pF |
| Channel-to-Channel Crosstalk | -55 dB typ @ 10 MHz, -75 dB typ @ 1 MHz | RL = 50 Ω, CL = 5 pF |
| -3 dB Bandwidth | 65 MHz typ | RL = 50 Ω, CL = 5 pF |
| Serial Data Rate | Up to 30 MHz |
Key Features
- 3-Wire Serial Interface: Compatible with SPI, QSPI, MICROWIRE, and some DSP interface standards.
- Single Supply Operation: Operates from a single supply voltage of 2.7 V to 5.5 V.
- Low On Resistance: 2.5 Ω typical on resistance with 0.75 Ω typical on-resistance flatness.
- Break-Before-Make Switching: Prevents momentary shorting when switching channels.
- Power-On Reset: All switches are in the off state and the internal input shift register contains all zeros on power-up.
- Daisy-Chaining Capability: Allows multiple parts to be daisy-chained using the DOUT pin.
- TTL/CMOS-Compatible Logic: Compatible with both TTL and CMOS logic levels.
Applications
- Data Acquisition Systems: Suitable for routing and switching signals in data acquisition systems.
- Communication Systems: Used in communication systems for signal routing and switching.
- Audio and Video Switching: Ideal for audio and video switching applications due to its low on resistance and high off isolation.
- Relay Replacement: Can replace mechanical relays in various applications due to its robust and reliable performance.
Q & A
- What is the supply voltage range for the ADG738BRUZ-REEL7?
The ADG738BRUZ-REEL7 operates from a single supply voltage of 2.7 V to 5.5 V.
- What is the typical on resistance of the ADG738BRUZ-REEL7?
The typical on resistance is 2.5 Ω.
- What is the maximum serial data rate for the ADG738BRUZ-REEL7?
The maximum serial data rate is up to 30 MHz.
- Does the ADG738BRUZ-REEL7 support daisy-chaining?
Yes, it supports daisy-chaining using the DOUT pin.
- What is the package type of the ADG738BRUZ-REEL7?
The package type is 16-lead TSSOP (Thin Shrink Small Outline Package).
- Is the ADG738BRUZ-REEL7 RoHS compliant?
Yes, it is RoHS compliant).
- What are the typical applications of the ADG738BRUZ-REEL7?
Typical applications include data acquisition systems, communication systems, audio and video switching, and relay replacement).
- Does the ADG738BRUZ-REEL7 have a power-on reset feature?
Yes, it has a power-on reset feature that sets all switches to the off state and clears the internal input shift register).
- What is the typical charge injection of the ADG738BRUZ-REEL7?
The typical charge injection is ±3 pC).
- What is the off isolation of the ADG738BRUZ-REEL7?
The off isolation is -55 dB at 10 MHz and -75 dB at 1 MHz).
