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Analogschalter und Multiplexer

SN74CB3Q3257

AKTIV

4-Kanal-Universal-FET-Busschalter, 3,3 V, 2:1 (SPDT)

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Datenblatt

SN74CB3Q3257

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Configuration 2:1 SPDT Number of channels 4 Power supply voltage - single (V) 2.5, 3.3 Protocols Analog, I2C, I2S, JTAG, RGMII, SPI, TDM, UART Ron (typ) (Ω) 4 CON (typ) (pF) 10.5 Supply current (typ) (µA) 250 Bandwidth (MHz) 500 Operating temperature range (°C) -40 to 85 Features Powered-off protection, Supports input voltage beyond supply Input/output continuous current (max) (mA) 64 Rating Catalog Drain supply voltage (max) (V) 3.6 Supply voltage (max) (V) 3.6
Configuration 2:1 SPDT Number of channels 4 Power supply voltage - single (V) 2.5, 3.3 Protocols Analog, I2C, I2S, JTAG, RGMII, SPI, TDM, UART Ron (typ) (Ω) 4 CON (typ) (pF) 10.5 Supply current (typ) (µA) 250 Bandwidth (MHz) 500 Operating temperature range (°C) -40 to 85 Features Powered-off protection, Supports input voltage beyond supply Input/output continuous current (max) (mA) 64 Rating Catalog Drain supply voltage (max) (V) 3.6 Supply voltage (max) (V) 3.6
SSOP (DBQ) 16 29.4 mm² 4.9 x 6 TSSOP (PW) 16 32 mm² 5 x 6.4 TVSOP (DGV) 16 23.04 mm² 3.6 x 6.4 VQFN (RGY) 16 14 mm² 4 x 3.5
  • High-bandwidth data path (up to 500MHz)
  • 5V Tolerant I/Os with device powered up or powered down
  • Low and flat on-state resistance (ron) characteristics over operating range (ron= 4Ω typical)
  • Rail-to-rail switching on data I/O ports
    • 0- to 5V Switching with 3.3V VCC
    • 0- to 3.3V Switching with 2.5V VCC
  • Bidirectional data flow with near-zero propagation delay
  • Low input and output capacitance minimizes loading and signal distortion (Cio(OFF) = 3.5pF typical)
  • Fast switching frequency (f OE = 20MHz maximum)
  • Data and control inputs provide undershoot clamp diodes
  • Low power consumption (ICC = 0.7mA typical)
  • VCC Operating range from 2.3V to 3.6V
  • Data I/Os support 0- to 5V signaling levels (0.8V, 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V)
  • Control inputs can be driven by TTL or 5V and 3.3V CMOS outputs
  • Ioff Supports partial-power-down mode operation
  • Latch-up performance exceeds 100mA Per JESD 78, class II
  • ESD Performance tested per JESD 22
    • 2000V Human body model (A114-B, class II)
    • 1000V Charged-device model (C101)
  • Supports both digital and analog applications: USB interface, differential signal interface, bus isolation, low-distortion signal gating (1)

(1)For additional information regarding the performance characteristics of the CB3Q family, refer to the TI CBT-C, CB3T, and CB3Q Signal-Switch Families application report.
  • High-bandwidth data path (up to 500MHz)
  • 5V Tolerant I/Os with device powered up or powered down
  • Low and flat on-state resistance (ron) characteristics over operating range (ron= 4Ω typical)
  • Rail-to-rail switching on data I/O ports
    • 0- to 5V Switching with 3.3V VCC
    • 0- to 3.3V Switching with 2.5V VCC
  • Bidirectional data flow with near-zero propagation delay
  • Low input and output capacitance minimizes loading and signal distortion (Cio(OFF) = 3.5pF typical)
  • Fast switching frequency (f OE = 20MHz maximum)
  • Data and control inputs provide undershoot clamp diodes
  • Low power consumption (ICC = 0.7mA typical)
  • VCC Operating range from 2.3V to 3.6V
  • Data I/Os support 0- to 5V signaling levels (0.8V, 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V)
  • Control inputs can be driven by TTL or 5V and 3.3V CMOS outputs
  • Ioff Supports partial-power-down mode operation
  • Latch-up performance exceeds 100mA Per JESD 78, class II
  • ESD Performance tested per JESD 22
    • 2000V Human body model (A114-B, class II)
    • 1000V Charged-device model (C101)
  • Supports both digital and analog applications: USB interface, differential signal interface, bus isolation, low-distortion signal gating (1)

(1)For additional information regarding the performance characteristics of the CB3Q family, refer to the TI CBT-C, CB3T, and CB3Q Signal-Switch Families application report.

The SN74CB3Q3257 device is a high-bandwidth FET bus switch using a charge pump to elevate the gate voltage of the pass transistor, providing a low and flat ON-state resistance (ron).

The SN74CB3Q3257 device is a high-bandwidth FET bus switch using a charge pump to elevate the gate voltage of the pass transistor, providing a low and flat ON-state resistance (ron).
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Technische Dokumentation

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Typ Titel Datum
* Data sheet SN74CB3Q3257 4-Bit 1-of-2 FET Multiplexer and Demultiplexer 2.5V and 3.3V Low-Voltage High-Bandwidth Bus Switch datasheet (Rev. E) PDF | HTML 06 Dez 2024
Application note Selecting the Correct Texas Instruments Signal Switch (Rev. E) PDF | HTML 02 Jun 2022
Application note Multiplexers and Signal Switches Glossary (Rev. B) PDF | HTML 01 Dez 2021
Application note CBT-C, CB3T, and CB3Q Signal-Switch Families (Rev. C) PDF | HTML 19 Nov 2021
Selection guide Logic Guide (Rev. AB) 12 Jun 2017
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) 02 Dez 2015
User guide LOGIC Pocket Data Book (Rev. B) 16 Jan 2007
More literature Digital Bus Switch Selection Guide (Rev. A) 10 Nov 2004
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 08 Jul 2004
User guide Signal Switch Data Book (Rev. A) 14 Nov 2003
Application note Bus FET Switch Solutions for Live Insertion Applications 07 Feb 2003

Design und Entwicklung

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Evaluierungsplatine

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Evaluierungsplatine

TAS2770EVM-STEREO — Stereo-Evaluierungsmodul des Audioverstärkers TAS2770, digitaler Eingang, Klasse D, IV Sense

The TAS2770EVM-Stereo evaluation module provides developers with a simple to use module pre-configured in as a stereo solution. It is powerful tool kit for assessing stereo or mono implementations of the TAS2770 with or without IV sense. Everything needed for evaluating TAS2770 as a conventional (...)
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The EVM-LEADED1 board allows for quick testing and bread boarding of TI's common leaded packages.  The board has footprints to convert TI's D, DBQ, DCT,DCU, DDF, DGS, DGV, and PW surface mount packages to 100mil DIP headers.     

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LEADLESS-ADAPTER1 — Oberflächenmontierbarer DIP-Header-Adapter zum Testen der 6-, 8-, 10-, 12-, 14-, 16- und 20-poligen

The EVM-LEADLESS1 board allows for quick testing and bread boarding of TI's common leadless packages.  The board has footprints to convert TI's DRC, DTP, DQE, RBW, RGY, RSE, RSV, RSW RTE, RTJ, RUK , RUC, RUG, RUM,RUT and YZP surface mount packages to 100mil DIP headers.
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Simulationsmodell

HSPICE Model of SN74CB3Q3257

SCDJ024.ZIP (28 KB) - HSpice Model
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Simulationsmodell

SN74CB3Q3257 IBIS Model

SCDM049.ZIP (44 KB) - IBIS Model
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Referenzdesigns

TIDA-01572 — Stereo-Evaluierungsmodul-Referenzdesign des Digital-Eingangs, Klasse D, IV-Sensor-Audioverstärker

This reference design provides a high-performance stereo audio subsystem for use in PC applications. It operates off a single supply, ranging from 4.5 V to 16 V, and features the TAS2770, a digital-input Class-D audio amplifier that provides excellent noise and distortion performance and is (...)
Design guide: PDF
Schaltplan: PDF
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
SSOP (DBQ) 16 Ultra Librarian
TSSOP (PW) 16 Ultra Librarian
TVSOP (DGV) 16 Ultra Librarian
VQFN (RGY) 16 Ultra Librarian
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