Overview
Features and Benefits
- USB 1.1 Signal Switching Compliant
- 2ns (max) Differential Skew
- -3dB Bandwidth: >300MHz
- Low 15pF On-Channel Capacitance
- Single-Supply Operation from +1.8V to +5.5V
- 4.5Ω RON (max) Switches (MAX4717/MAX4718)
- 0.3Ω (max) RON Match (+3.0V Supply)
- 1.2Ω (max) Flatness (+3.0V Supply)
- 20Ω RON (max) Switch (MAX4718)
- 0.4Ω (max) RON Match (+3.0V Supply)
- 1.2Ω (max) Flatness (+3.0V Supply)
- Rail-to-Rail Signal Handling
- High Off-Isolation: -55dB (10MHz)
- Low Crosstalk: -80dB (10MHz)
- Low Distortion: 0.03%
- +1.8V CMOS-Logic Compatible
- <0.5nA Leakage Current at +25°C
Product Details
The MAX4717/MAX4718 low-voltage, low on-resistance (RON), dual single-pole/double-throw (SPDT) analog switches operate from a single +1.8V to +5.5V supply. These devices are designed for USB 1.1 and audio switching applications.
The MAX4717 features two 4.5Ω RON (max) SPDT switches with 1.2Ω flatness and 0.3Ω matching between channels. The MAX4718 features one 4.5Ω RON (max) SPDT switch and one 20Ω RON (max) SPDT switch. The 20Ω switch has a guaranteed matching and flatness of 0.4Ω and 1.2Ω, respectively. These switches offer break-before-make switching (1ns) with tON < 80ns and tOFF < 40ns at +2.7V. The digital logic inputs are +1.8V logic compatible with a +2.7V to +3.6V supply.
These switches are packaged in a chip-scale package (UCSP™), significantly reducing the required PC board area. The chip occupies only a 2.0mm x 1.50mm area and has a 4 x 3 bump array with a bump pitch of 0.5mm. These switches are also available in a 10-pin µMAX® package.
Applications
- Audio/Video Signal Routing
- Battery-Operated Equipment
- Cell Phones
- Headphone Switching
- Low-Voltage Data-Acquisition Systems
- PDAs
- Sample-and-Hold Circuits
- USB 1.1 Signal Switching Circuits
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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
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MAX4717 IBIS Model
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Reference Designs (1)
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