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High-speed op amps (GBW ≥ 50 MHz)

THS4303

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1.8GHz, Wideband Fixed-Gain Amplifier

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Data sheet

THS4303

ACTIVE
Data sheet Order now

Product details

Architecture Fixed Gain/Buffer Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5 GBW (typ) (MHz) 1800 BW at Acl (MHz) 1800 Acl, min spec gain (V/V) 10 Slew rate (typ) (V/µs) 5500 Vn at flatband (typ) (nV√Hz) 2.8 Vn at 1 kHz (typ) (nV√Hz) 18 Iq per channel (typ) (mA) 34 Vos (offset voltage at 25°C) (max) (mV) 4.25 Rail-to-rail No Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 60 Input bias current (max) (pA) 1000000 Offset drift (typ) (µV/°C) 20 Iout (typ) (mA) 180 2nd harmonic (dBc) 65 3rd harmonic (dBc) 76 Frequency of harmonic distortion measurement (MHz) 70
Architecture Fixed Gain/Buffer Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 3 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5 GBW (typ) (MHz) 1800 BW at Acl (MHz) 1800 Acl, min spec gain (V/V) 10 Slew rate (typ) (V/µs) 5500 Vn at flatband (typ) (nV√Hz) 2.8 Vn at 1 kHz (typ) (nV√Hz) 18 Iq per channel (typ) (mA) 34 Vos (offset voltage at 25°C) (max) (mV) 4.25 Rail-to-rail No Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 60 Input bias current (max) (pA) 1000000 Offset drift (typ) (µV/°C) 20 Iout (typ) (mA) 180 2nd harmonic (dBc) 65 3rd harmonic (dBc) 76 Frequency of harmonic distortion measurement (MHz) 70
VQFN (RGT) 16 9 mm² 3 x 3
  • Fixed Closed-Loop Gain Amplifier
    • 10 V/V (20 dB)
  • Wide Bandwidth: 1.8 GHz
  • High Slew Rate: 5500 V/µs
  • Low Total Input Referred Noise: 2.5 nV/Hz
  • Low Distortion
    • HD2: –65 dBc at 70 MHz
    • HD3: –76 dBc at 70 MHz
    • IMD3: –85 dBc at 100 MHz
    • OIP3: 34 dBm at 100 MHz
    • IMD3: –70 dBc at 300 MHz
    • OIP3: 27 dBm at 300 MHz
  • High Output Drive: ±180 mA
  • Power Supply Voltage: 3 V or 5 V
  • APPLICATIONS
    • Wideband Signal Processing
    • Wireless Transceivers
    • IF Amplifier
    • ADC Preamplifier
    • DAC Output Buffers
    • Test, Measurement, and Instrumentation
    • Medical and Industrial Imaging

PowerPAD is a trademark of Texas Instruments.
  • Fixed Closed-Loop Gain Amplifier
    • 10 V/V (20 dB)
  • Wide Bandwidth: 1.8 GHz
  • High Slew Rate: 5500 V/µs
  • Low Total Input Referred Noise: 2.5 nV/Hz
  • Low Distortion
    • HD2: –65 dBc at 70 MHz
    • HD3: –76 dBc at 70 MHz
    • IMD3: –85 dBc at 100 MHz
    • OIP3: 34 dBm at 100 MHz
    • IMD3: –70 dBc at 300 MHz
    • OIP3: 27 dBm at 300 MHz
  • High Output Drive: ±180 mA
  • Power Supply Voltage: 3 V or 5 V
  • APPLICATIONS
    • Wideband Signal Processing
    • Wireless Transceivers
    • IF Amplifier
    • ADC Preamplifier
    • DAC Output Buffers
    • Test, Measurement, and Instrumentation
    • Medical and Industrial Imaging

PowerPAD is a trademark of Texas Instruments.

The THS4303 device is a wideband, fixed-gain amplifier that offers high bandwidth, high slew rate, low noise, and low distortion. This combination of specifications enables analog designers to transcend current performance limitations and process analog signals at much higher speeds than previously possible with closed-loop, complementary amplifier designs. The devices are offered in a 16-pin leadless package and incorporate a powerdown mode for quiescent power savings.

The THS4303 device is a wideband, fixed-gain amplifier that offers high bandwidth, high slew rate, low noise, and low distortion. This combination of specifications enables analog designers to transcend current performance limitations and process analog signals at much higher speeds than previously possible with closed-loop, complementary amplifier designs. The devices are offered in a 16-pin leadless package and incorporate a powerdown mode for quiescent power savings.
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Technical documentation

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Type Title Date
* Data sheet Wideband Fixed-Gain Amplifier datasheet (Rev. B) 20 Jan 2005
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 Jan 2005

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