MAX4739

PRODUCTION

4.5 Ohm Quad SPST Analog Switches in UCSP

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Overview

  • USB 1.1 Signal Switching
  • 2ns (max) Differential Skew
  • -3dB Bandwidth: >300MHz
  • Low 20pF On-Channel Capacitance
  • Low RON
    • 4.5Ω (max) (+3V Supply)
    • 3Ω (max) (+5V Supply)
  • 0.4Ω (max) RON Match (+3V Supply)
  • 1.2Ω (max) RON Flatness (+3V Supply)
  • <0.5nA Leakage Current at +25°C
  • High Off-Isolation: -55dB (10MHz)
  • Low Crosstalk: -80dB (10MHz)
  • Low Distortion: 0.03%
  • +1.8V CMOS-Logic Compatible
  • Single-Supply Operation from +1.8V to +5.5V
  • Rail-to-Rail Signal Handling

The MAX4737/MAX4738/MAX4739 low-voltage, low on-resistance (RON), quad single-pole/single throw (SPST) 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 MAX4737/MAX4738/MAX4739 feature 4.5Ω RON (max) with 1.2Ω flatness and 0.4Ω matching between channels. These new switches feature guaranteed operation from +1.8V to +5.5V and are fully specified at 3V and 5V. 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 2mm x 2mm area and has a 4 x 4 bump array with a bump pitch of 0.5mm. These switches are also available in a 14-pin TSSOP package.

Applications

  • Audio/Video Signal Routing
  • Battery-Operated Equipment
  • Communications Circuits
  • Data Acquisition Systems
  • Low-Voltage Data-Acquisition Systems
  • Sample-and-Hold Circuits

MAX4739
4.5 Ohm Quad SPST Analog Switches in UCSP
MAX4737, MAX4738, MAX4739: Functional Diagram
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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Analog Switches & Multiplexers 5
MAX4717 PRODUCTION 4.5Ω/20Ω, 300MHz Bandwidth, Dual SPDT Analog Switches in UCSP
MAX4718 PRE-RELEASE 4.5Ω/20Ω, 300MHz Bandwidth, Dual SPDT Analog Switches in UCSP
MAX4721 PRODUCTION 4.5Ω Dual SPST Analog Switches in UCSP
MAX4722 PRODUCTION 4.5Ω Dual SPST Analog Switches in UCSP
MAX4723 PRE-RELEASE 4.5Ω Dual SPST Analog Switches in UCSP
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