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Maxim > Products > [Analog Switches and Multiplexers] 
MAX4737, MAX4738, MAX4739
4.5 Ohm Quad SPST Analog Switches in UCSP


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Data Sheet
FULL DATA SHEET (PDF, 384kB)
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Description
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.

Key Features   Applications/Uses
  • 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

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

    Key Specifications:   Switches and Multiplexers (Low Voltage)
    Part Number Configuration Number of Channels Normally (Open/Closed) VSUPPLY, Single (min) (V) VSUPPLY, Single (max) (V) RON (max) (Ω) Bandwidth (MHz) IL (OFF) (max) (nA) tON (max) (nS) tOFF (max) (nS) QINJECTION (pC) CON (pF) COFF (pF) Price**
    MAX4737  SPST 4 Open 1.8 5.5 4.5 300 0.5 80 40 5 15 9 $1.10 @ 1k
    MAX4738  Closed $1.10 @ 1k
    MAX4739  Open/Closed $1.10 @ 1k
    See All Switches and Multiplexers (Low Voltage) (158)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Evaluation Kits
    none

    Design Guides
  		• Mux & Switch (PDF)

    Reliability Reports
  		• Show FIT data for:
  		• Request Reliability Report for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-20 of 20

    MAX4737 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4737EUD+  
    		TSSOP;14 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0113 (PDF)
    Use pkgcode/variation: U14+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4737EUD+T  
    		TSSOP;14 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0113 (PDF)
    Use pkgcode/variation: U14+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4737EUD  
    		TSSOP;14 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0113 (PDF)
    Use pkgcode/variation: U14-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4737EUD-T  
    		TSSOP;14 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0113 (PDF)
    Use pkgcode/variation: U14-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4737EBE+  
    		UCSP;14 pin;4 mm²
    Outline Drawing: 21-0101 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B16+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4737EBE+T    
    		UCSP;14 pin;4 mm²
    Outline Drawing: 21-0101 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B16+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4737EBE  
    		UCSP;14 pin;4 mm²
    Outline Drawing: 21-0101 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B16-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4737EBE-T  
    		UCSP;14 pin;4 mm²
    Outline Drawing: 21-0101 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B16-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4738 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4738EUD+T  
    		TSSOP;14 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0113 (PDF)
    Use pkgcode/variation: U14+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4738EUD+  
    		TSSOP;14 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0113 (PDF)
    Use pkgcode/variation: U14+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4738EUD  
    		TSSOP;14 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0113 (PDF)
    Use pkgcode/variation: U14-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4738EUD-T  
    		TSSOP;14 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0113 (PDF)
    Use pkgcode/variation: U14-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4738EBE  
    		UCSP;14 pin;4 mm²
    Outline Drawing: 21-0101 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B16-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4738EBE-T    
    		UCSP;14 pin;4 mm²
    Outline Drawing: 21-0101 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B16-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4739 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4739EUD  
    		TSSOP;14 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0113 (PDF)
    Use pkgcode/variation: U14-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4739EUD-T  
    		TSSOP;14 pin;33 mm²
    Outline Drawing: 21-0066 (PDF)
    Land Pattern: 90-0113 (PDF)
    Use pkgcode/variation: U14-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4739EBE+    
    		UCSP;14 pin;4 mm²
    Outline Drawing: 21-0101 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B16+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4739EBE+T    
    		UCSP;14 pin;4 mm²
    Outline Drawing: 21-0101 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B16+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4739EBE  
    		UCSP;14 pin;4 mm²
    Outline Drawing: 21-0101 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B16-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4739EBE-T    
    		UCSP;14 pin;4 mm²
    Outline Drawing: 21-0101 (PDF)
    Land Pattern: Not Available
    Use pkgcode/variation: B16-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis

    Related Products
    MAX4717, MAX4718 4.5Ω/20Ω, 300MHz Bandwidth, Dual SPDT Analog Switches in UCSP
    MAX4721, MAX4722, MAX4723 4.5Ω Dual SPST Analog Switches in UCSP

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    Document Ref.: 19-2633; Rev 1; 2004-09-22
    This page last modified: 2007-08-02


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