THS3491IDDAT

900-MHz high-power-output current-feedback amplifier 8-SO PowerPAD -40 to 85
3,418 有效庫存

THS3491IDDAT

有效庫存3,418

900-MHz high-power-output current-feedback amplifier 8-SO PowerPAD -40 to 85

  • 製造商零件號 # : THS3491IDDAT

  • 包裝/封裝: SOIC-8

  • 製造商: Texas Instruments

  • 產品分類 : Instrumentation, OP Amps, Buffer Amps

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THS3491IDDAT 數據表
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詳細說明

for the THS3491TheTHS3491 current feedback amplifier (CFA) provides a new level of performance for applications requiring the lowest distortion at high output power levels from DC through values greater than 100 MHz at 100-Ω loads. Although specified at a gain of 5 V/V, this current feedback design holds near constant bandwidth and distortion over a wide range of gains.The 8000 V/µs of slew rate delivers an output of 10 VPP into demanding loads with low distortion through 100 MHz. The 900-MHz, small-signal bandwidth delivers a low overshoot of less than 1.5% for a 10-V step, and rise and fall times of less than 1.3 ns. Peak output current drive values greater than 500 mA enable driving heavy capacitive loads with fast signals.New designs benefit from the lowest distortion using the VQFN-16 (RGT) package, whereas the 8-pin HSOIC (DDA) package (with PowerPAD™) upgrades existing THS3091 or THS3095 designs. Lower output headroom for theTHS3491 provides more output swing on the same ±15-V supplies versus legacy THS3091 or THS3095 options.

主要特徵

  • THS34 series amplifiers offer high-performance capabilities with low noise and high output drive capability
  • This amplifier is designed for precision measurements and testing requiring wide bandwidth and adjustable gain settings
  • The device also features thermal shutdown protection for added reliability

應用

  • Data acquisition systems
  • Industrial control systems
  • Communication systems

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。

Pbfree Code Yes Rohs Code Yes
Part Life Cycle Code Active Reach Compliance Code compliant
Date Of Intro 2017-09-09 Amplifier Type OPERATIONAL AMPLIFIER
Architecture CURRENT-FEEDBACK Bandwidth (3dB)-Nom 800 MHz
Common-mode Reject Ratio-Min 67 dB Common-mode Reject Ratio-Nom 75 dB
Frequency Compensation ! YES Input Offset Voltage-Max 2000 µV
JESD-30 Code R-PDSO-G8 JESD-609 Code e4
Length 4.9 mm Low-Bias NO
Low-Offset NO Micropower ! NO
Moisture Sensitivity Level 3 Neg Supply Voltage Limit-Max -16.5 V
Neg Supply Voltage-Nom (Vsup) -15 V Number of Functions 1
Number of Terminals 8 Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C Package Body Material PLASTIC/EPOXY
Package Code HLSOP Package Equivalence Code SOP8,.23
Package Shape RECTANGULAR Package Style SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE
Packing Method TR Peak Reflow Temperature (Cel) 260
Power NO Programmable Power ! NO
Seated Height-Max 1.7 mm Slew Rate-Nom 8000 V/us
Supply Current-Max 17.3 mA Supply Voltage Limit-Max 16.5 V
Supply Voltage-Nom (Vsup) 15 V Surface Mount ! YES
Temperature Grade ! INDUSTRIAL Terminal Finish Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)
Terminal Form ! GULL WING Terminal Pitch ! 1.27 mm
Terminal Position DUAL Time@Peak Reflow Temperature-Max (s) 30
Unity Gain BW-Nom 900000 Wideband YES
Width 3.9 mm

常見問題解答

What is THS3491IDDAT?

The THS3491IDDAT is a high-speed, low-power fully differential amplifier designed by Texas Instruments. It is suitable for applications requiring high-speed signal amplification with low distortion, such as wireless communication, test and measurement equipment, and data acquisition systems.

How Does THS3491IDDAT Work?

The THS3491IDDAT operates as a fully differential amplifier, providing high-speed signal amplification with low noise and distortion. It amplifies differential input signals while rejecting common-mode noise, making it ideal for precision measurement and communication applications. The amplifier offers wide bandwidth and low power consumption for efficient performance.

How Many Pins does THS3491IDDAT have and What are the Functions of the Pinout Configuration?

The THS3491IDDAT is housed in a 16-pin PowerPAD MSOP (Micro Small Outline Package) package. The pinout configuration includes:

  • IN-: Inverting input pin of the differential amplifier.
  • IN+: Non-inverting input pin of the differential amplifier.
  • OUT-: Inverting output pin of the differential amplifier.
  • OUT+: Non-inverting output pin of the differential amplifier.
  • VCC: Power supply pin for the amplifier.
  • VCC-: Negative power supply pin for the amplifier.
  • NC: No-connect pin.
  • ENABLE: Enable pin for amplifier shutdown mode.

What are the Pros and Cons of THS3491IDDAT?

Pros:

  • High Speed: Provides high-speed amplification for time-critical applications.
  • Low Distortion: Offers low distortion to maintain signal integrity.
  • Wide Bandwidth: Supports wide bandwidth for versatile signal processing.
  • Low Power Consumption: Operates with low power to minimize energy usage.
  • Small Package: The 16-pin MSOP package is compact for space-constrained designs.

Cons:

  • Cost: High-speed amplifiers like the THS3491IDDAT may come at a higher cost.
  • Complexity: Requires careful consideration of layout and decoupling for optimal performance.
  • Additional Components: External components may be needed for specific application requirements.

Are There Any Equivalents/Alternatives to THS3491IDDAT for Recommendation?

  • The THS3491 from Texas Instruments is a similar alternative with comparable features.
  • Alternatives to the THS3491IDDAT include the AD8138 from Analog Devices and the LMH5401 from Texas Instruments.

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