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TI THS4551IDGKR product image
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TI THS4551IDGKRRoHS

Manufacturer
TI
MPN
THS4551IDGKR
LCSC Part #
C2860419
Packaging
VSSOP-8
Customer #
Key Attributes
Low-noise precision fully differential amplifier
Datasheetpdf iconTI THS4551IDGKR
In-Stock: 19
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QtyUnit PriceTotal Amount
1+$ 3.2811$ 3.28
10+$ 2.7967$ 27.97
30+$ 2.5099$ 75.30
100+$ 2.2182$ 221.82
500+$ 2.0837$ 1041.85
1,000+$ 2.0238$ 2023.80
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Linear/Amplifiers/Instrumentation, Op Amps, Buffer Amps
ManufacturerTI
PackagingVSSOP-8
Settling time50ns
Number of Channels1
Output TypeDifferential
Vos - Input Offset Voltage50uV
Slew Rate220V/us
Input Offset Current(Ios)10nA
Input offset current drift(Ios TC)70pA/℃
FeaturesSingle-ended to differential conversion;Integrated ADC driver;Capacitive load driving;Adjustable output common-mode voltage;Enable/shutdown function
Operating Temperature-40℃~+125℃
Common Mode Rejection Ratio(CMRR)110dB
Ib - Input Bias Current1uA
Output Current65mA
Noise density(eN)3.3nV/√Hz
Maximum Power Supply Range (Vdd-Vss)5.4V
Input Offset Voltage Drift(Vos TC)0.45uV/℃
Quiescent Current1.37mA
Gain Bandwidth Product135MHz
Rail to RailRail-to-rail output
Single Supply2.7V~5.4V
Power Supply Rejection Ratio (PSRR)110dB
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The THS4551 fully differential amplifier provides a simple interface between a single-ended source and a differential output, meeting the requirements of various high-precision analog-to-digital converters (ADCs). This device combines excellent DC accuracy, low noise, and robust capacitive load driving capability, making it ideal for data acquisition systems with high-precision requirements. Meanwhile, when the amplifier works in conjunction with the ADC, excellent signal-to-noise ratio (SNR) and spurious-free dynamic range (SFDR) can be achieved.

The THS4551 has the required negative power supply rail input, which can be used to connect DC-coupled, ground-centered source signals to single-supply differential input ADCs. The device has ultra-low DC error and drift, meeting the input requirements of emerging 16- to 20-bit successive approximation register (SAR) ADCs. With the ADC common-mode input requirements ranging from 0.7V to over 3.0V, the wide-range output common-mode control supports the ADC to operate with a power supply from 1.8V to 5V.

The THS4551 device is rated to operate over a wide temperature range from –40°C to +125°C and is available in an 8-pin very thin shrink small outline package (VSSOP), a 16-pin very thin quad flat no-lead (VQFN) package, and a 10-pin thin quad flat no-lead (WQFN) package.

Features

AI Translation
  • Bandwidth: 150MHz (G = 1 V/V)
  • Differential Output Slew Rate: 220V/μs
  • Gain Bandwidth Product: 135MHz
  • Negative Rail Input (NRI), Rail-to-Rail Output (RRO)
  • Wide Output Common-Mode Control Range
  • Single-Supply Operating Voltage Range: 2.7V to 5.4V
  • Trimmed Supply Current: 1.37mA at 5V
  • Input Offset Voltage at 25°C: ±175μV (maximum)
  • Input Offset Voltage Drift: ±1.8μV/°C (maximum)
  • Differential Input Voltage Noise: 3.3nV/√Hz
  • HD2: -128dBc (at 2VPP, 100kHz)
  • HD3: -139dBc (at 2VPP, 100kHz)
  • Settling Time under 50ns: 4V step, 0.01% tolerance
  • 18-Bit Settling Time: 4V step, less than 500ns

Applications

AI Translation
  • 24-bit Δ-Σ ADC driver
  • 16-bit to 20-bit differential high-speed SAR driver
  • Differential active filter
  • Differential transimpedance amplifier
  • Pin-compatible upgrade to THS4521 (VSSOP-8 only)