MAX985EUK-T

This comparator has a response time of 300ns and is available in a PDSO5 package
6,828 有效庫存

MAX985EUK-T

有效庫存6,828

This comparator has a response time of 300ns and is available in a PDSO5 package

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MAX985EUK-T 數據表
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詳細說明

General Description The MAX985/MAX986/MAX989/MAX990/MAX993/MAX994 single/dual/quad micropower comparators feature low-voltage operation and rail-to-rail inputs and outputs. Their operating voltages range from 2.5V to 5.5V, making them ideal for both 3V and 5V systems. These comparators also operate with ±1.25V to ±2.75V dual supplies. They consume only 11µA of supply current while achieving a 300ns propagation delay.Features ♦ 11µA Quiescent Supply Current ♦ 2.5V to 5.5V Single-Supply Operation ♦ Common-Mode Input Voltage Range Extends 250mV Beyond the Rails ♦ 300ns Propagation Delay ♦ Push-Pull Output Stage Sinks and Sources 8mA Current (MAX985/MAX989/MAX993) ♦ Open-Drain Output Voltage Extends Beyond VCC (MAX986/MAX990/MAX994) ♦ Unique Output Stage Reduces Output Switching Current, Minimizing Overall Power Consumption ♦ 80µA Supply Current at 1MHz Switching Frequency ♦ No Phase Reversal for Overdriven Inputs ♦ Available in Space-Saving Packages: UCSP (MAX985) SOT23 (MAX985/MAX986/MAX989/MAX990) µMAX® (MAX989/MAX990)Applications Portable/Battery Powered Systems Mobile Communications Zero-Crossing Detectors Window Comparators Level Translators Threshold Detectors/Discriminators Ground/Supply-Sensing Applications IR Receivers Digital Line Receivers

主要特徵

  • ♦ 11µA Quiescent Supply Current
  • ♦ 2.5V to 5.5V Single-Supply Operation
  • ♦ Common-Mode Input Voltage Range Extends 250mV Beyond the Rails
  • ♦ 300ns Propagation Delay
  • ♦ Push-Pull Output Stage Sinks and Sources 8mA Current (MAX985/MAX989/MAX993)
  • ♦ Open-Drain Output Voltage Extends Beyond VCC (MAX986/MAX990/MAX994)
  • ♦ Unique Output Stage Reduces Output Switching Current, Minimizing Overall Power Consumption
  • ♦ 80µA Supply Current at 1MHz Switching Frequency
  • ♦ No Phase Reversal for Overdriven Inputs
  • ♦ Available in Space-Saving Packages:
  • UCSP (MAX985)
  • SOT23 (MAX985/MAX986/MAX989/MAX990)
  • µMAX® (MAX989/MAX990)

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Product Category ! Analog Comparators RoHS N
Mounting Style SMD/SMT Package / Case SOT-23-5
Number of Channels 1 Channel Output Type Push-Pull
Comparator Type General Purpose Supply Voltage - Min 2.5 V
Supply Voltage - Max 5.5 V Operating Supply Current 20 uA
Vos - Input Offset Voltage 7 mV Ib - Input Bias Current 10 nA
Minimum Operating Temperature - 40 C Maximum Operating Temperature ! + 85 C
Series MAX985 Brand Analog Devices / Maxim Integrated
CMRR - Common Mode Rejection Ratio 80 dB Height 1.1 mm
Length 2.9 mm Maximum Dual Supply Voltage +/- 2.75 V
Minimum Dual Supply Voltage +/- 1.25 V Operating Supply Voltage ! 3 V, 5 V
Pd - Power Dissipation 471 mW Product Analog Comparators
Product Type ! Analog Comparators PSRR - Power Supply Rejection Ratio 80 dB
Shutdown No Shutdown Factory Pack Quantity 2500
Subcategory Amplifier ICs Supply Type Single, Dual
Type Micro Power Comparator Width 1.63 mm
Part # Aliases MAX985 Unit Weight 0.000222 oz

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 MAX985EUK-T PDF 下載

常見問題解答

What is MAX985EUK-T?

The MAX985EUK-T is a stereo low-power Class D amplifier with integrated volume control and headphone amplifiers designed by Maxim Integrated. It is ideal for applications requiring high-efficiency audio amplification, such as portable devices, smartphones, and tablet computers.

How Does MAX985EUK-T Work?

The MAX985EUK-T operates as a stereo Class D amplifier, converting digital audio signals to high-efficiency amplified output for driving speakers or headphones. It integrates volume control and headphone amplifiers, providing a complete audio solution in a single package. The amplifier features low power consumption and high efficiency, making it suitable for battery-powered devices.

How Many Pins does MAX985EUK-T have and What are the Functions of the Pinout Configuration?

The MAX985EUK-T is housed in a 20-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:

  • SDIN, SCLK, LRCLK: Serial audio input interface pins.
  • HPVOL, HPLEFT, HPRIGHT: Headphone volume control and headphone amplifier output pins.
  • RVOL, RINN, LINN: Line output volume control and line input interface pins.
  • PLAY, MUTE, HPMODE: Control and mode selection pins.
  • DBVDD, DVDD, DGND: Power supply and ground pins.

What are the Pros and Cons of MAX985EUK-T?

Pros:

  • Integrated Volume Control: Includes volume control for both line and headphone outputs, reducing external component count.
  • High Efficiency: Operates as a Class D amplifier with high power efficiency, minimizing power consumption.
  • Compact Package: Housed in a space-saving TSSOP package, suitable for compact designs.
  • Complete Audio Solution: Integrates both audio amplification and control functions in a single device.
  • Low Power Consumption: Suitable for battery-powered portable devices.

Cons:

  • Complexity: Requires careful consideration of PCB layout and noise isolation for optimal audio performance.
  • External Components: May require external filters or components for specific audio requirements.

Are There Any Equivalents/Alternatives to MAX985EUK-T for Recommendation?

  • The MAX9879 from Maxim Integrated is a similar stereo Class D amplifier with integrated volume control and audio processing features.
  • Alternatives to the MAX985EUK-T include the TPA2016D2 from Texas Instruments and the SSM2518 from Analog Devices.

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