ISL54047
Ultra Low ON-Resistance, High Off-Isolation, Single Supply, Diff SPST Analog Switch
Key Features
- T-Switch Architecture
- OFF-Isolation at 100kHz
- Into 50Ω Load 102dB
- Into 8Ω Load 118dB
- ON Resistance (RON)
- V+ = +4.3V 0.44Ω
- V+ = +3.0V 0.51Ω
- V+ = +1.8V 0.98Ω
- RON Matching Between Channels 0.04Ω
- RON Flatness Across Signal Range 0.07Ω
- Single Supply Operation +1.65V to +4.5V
- Low Power Consumption (PD) <0.45µW
- Fast Switching Action (V+ = +4.3V)
- tON 40ns
- tOFF 35ns
- ESD HBM Rating >8kV
- 1.8V Logic Compatible (+3V supply)
- Low ICC Current when VinH is not at the V+ Raill
- Available in 10 lead 1.8 x 1.4 x 0.5mm µTQFN
- Pb-Free Plus Anneal Available (RoHS Compliant)
Description
The Intersil ISL54047 device is a low ON-resistance, low voltage, high off-isolation, bidirectional, differential singlepole/ single-throw (SPST) analog switch. It was designed to operate from a single +1.65V to +4.5V supply. Targeted applications include battery powered equipment that benefit from low RON (0.44Ω) and fast switching speeds (tON = 40ns, tOFF = 35ns). The digital logic input is 1.8V logic-compatible when using a single +3V supply.
The ISL54047 has been designed with a T-switch architecture. This approach results in maximum off-isolation while retaining a low impedance signal path when switches are ON.
The device can be used as a low impedance bypass element for noisy amplifier circuits.
The ISL54047 has two normally open (NO) SPST switches that are controlled by a single logic control pin.
Applications
- Battery powered, Handheld, and Portable Equipment
- Cellular/mobile Phones
- Pagers
- Laptops, Notebooks, Palmtops
- Portable Test and Measurement
- Medical Equipment
- Audio and Video Switching
