Overview
The ADG904BRU, produced by Analog Devices Inc., is a high-performance, wideband analog 4:1 multiplexer/demultiplexer switch. This device is designed using a CMOS process, which provides high isolation and low insertion loss up to 1 GHz. The ADG904BRU is available in 20-lead TSSOP and 4 mm × 4 mm LFCSP packages, making it versatile for various applications. It operates with a single supply voltage range of 1.65 V to 2.75 V and features CMOS/LVTTL compatible control logic, eliminating the need for external control circuitry.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 1.65 V to 2.75 V |
| Package Type | 20-lead TSSOP, 4 mm × 4 mm LFCSP |
| Insertion Loss @ 1 GHz | 1.1 dB |
| Off Isolation @ 1 GHz | -37 dB |
| Switching Time (Ton, Toff) | 10 ns, 16 ns |
| Channel Capacitance | 2 pF |
| Leakage Current (IS(off)) | 1 µA |
| Crosstalk Isolation @ 100 MHz | -58 dB |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- High isolation and low insertion loss up to 1 GHz
- Single supply voltage range of 1.65 V to 2.75 V
- Ultra-fast switching times with Ton (max) of 10 ns and Toff (max) of 16 ns
- Broadband -3 dB bandwidth of 2.5 GHz for high-speed signal processing
- Low channel capacitance of 2 pF reduces signal attenuation
- Minimal leakage current of 1 µA in the off state ensures low power consumption
- Exceptional crosstalk isolation of -58 dB @ 100 MHz for enhanced signal integrity
- CMOS/LVTTL compatible control logic
Applications
- Wireless communications
- General-purpose RF switching
- Dual-band applications
- High-speed filter selection
- Digital transceiver front-end switch
- IF switching
- Tuner modules
- Antenna diversity switching
Q & A
- What is the ADG904BRU used for? The ADG904BRU is a high-performance, wideband analog 4:1 multiplexer/demultiplexer switch used in various RF and high-frequency applications.
- What is the supply voltage range of the ADG904BRU? The ADG904BRU operates with a single supply voltage range of 1.65 V to 2.75 V.
- What are the package options for the ADG904BRU? The ADG904BRU is available in 20-lead TSSOP and 4 mm × 4 mm LFCSP packages.
- What are the switching times for the ADG904BRU? The switching times are Ton (max) of 10 ns and Toff (max) of 16 ns.
- What is the insertion loss of the ADG904BRU at 1 GHz? The insertion loss at 1 GHz is 1.1 dB.
- What is the off isolation of the ADG904BRU at 1 GHz? The off isolation at 1 GHz is -37 dB.
- What is the channel capacitance of the ADG904BRU? The channel capacitance is 2 pF.
- What is the leakage current of the ADG904BRU in the off state? The leakage current in the off state is 1 µA.
- What is the crosstalk isolation of the ADG904BRU at 100 MHz? The crosstalk isolation at 100 MHz is -58 dB.
- What are some common applications of the ADG904BRU? Common applications include wireless communications, general-purpose RF switching, dual-band applications, high-speed filter selection, and antenna diversity switching.
