Product details

PGA/VGA VGA Number of channels (#) 1 BW @ Acl (MHz) 300 Vs (Max) (V) 5.5 Vs (Min) (V) 4.5 Acl, min spec gain (V/V) 3.8 Gain (Max) (dB) 46.5 Architecture Fully Differential ADC Driver Slew rate (Typ) (V/us) 1250 Operating temperature range (C) -40 to 85 Features Shutdown, Digital Gain Set, Single-ended to Differential conversion, Integrated Clamps
PGA/VGA VGA Number of channels (#) 1 BW @ Acl (MHz) 300 Vs (Max) (V) 5.5 Vs (Min) (V) 4.5 Acl, min spec gain (V/V) 3.8 Gain (Max) (dB) 46.5 Architecture Fully Differential ADC Driver Slew rate (Typ) (V/us) 1250 Operating temperature range (C) -40 to 85 Features Shutdown, Digital Gain Set, Single-ended to Differential conversion, Integrated Clamps
HTSSOP (PWP) 14 32 mm² 5 x 6.4
  • Low Noise: Vn = 1.1 nV/√ Hz, Noise Figure = 9 dB
  • Low Distortion:
    • HD2 = –65 dBc, HD3 = –61 dBc at 32 MHz
    • IMD3 = –62 dBc, OIP3 = 21 dBm at 70 MHz
  • 300-MHz Bandwidth
  • Continuously Variable Gain Range: 11.6 dB to 46.5 dB
  • Gain Slope: 38.8 dB/V
  • Fully Differential Input and Output
  • Output Common-Mode Voltage Control
  • Output Voltage Limiting
  • Low Noise: Vn = 1.1 nV/√ Hz, Noise Figure = 9 dB
  • Low Distortion:
    • HD2 = –65 dBc, HD3 = –61 dBc at 32 MHz
    • IMD3 = –62 dBc, OIP3 = 21 dBm at 70 MHz
  • 300-MHz Bandwidth
  • Continuously Variable Gain Range: 11.6 dB to 46.5 dB
  • Gain Slope: 38.8 dB/V
  • Fully Differential Input and Output
  • Output Common-Mode Voltage Control
  • Output Voltage Limiting

The THS7530 device is fabricated using Texas Instruments’ state-of-the-art BiCom III SiGe complementary bipolar process. The THS7530 device is a DC-coupled, wide bandwidth amplifier with voltage-controlled gain. The amplifier has high-impedance differential inputs and low-impedance differential outputs with high-bandwidth gain control, output common-mode control, and output voltage clamping.

Signal-channel performance is exceptional with 300-MHz bandwidth, and third harmonic distortion of –61 dBc at 32 MHz with 1-VPP output into 400 Ω.

Gain control is linear in dB with 0 V to 0.9 V varying the gain from 11.6 dB to 46.5 dB with 38.8-dB/V gain slope.

Output voltage limiting is provided to limit the output voltage swing and to prevent saturating following stages.

The device is characterized for operation over the industrial temperature range, –40°C to +85°C.  

The THS7530 device is fabricated using Texas Instruments’ state-of-the-art BiCom III SiGe complementary bipolar process. The THS7530 device is a DC-coupled, wide bandwidth amplifier with voltage-controlled gain. The amplifier has high-impedance differential inputs and low-impedance differential outputs with high-bandwidth gain control, output common-mode control, and output voltage clamping.

Signal-channel performance is exceptional with 300-MHz bandwidth, and third harmonic distortion of –61 dBc at 32 MHz with 1-VPP output into 400 Ω.

Gain control is linear in dB with 0 V to 0.9 V varying the gain from 11.6 dB to 46.5 dB with 38.8-dB/V gain slope.

Output voltage limiting is provided to limit the output voltage swing and to prevent saturating following stages.

The device is characterized for operation over the industrial temperature range, –40°C to +85°C.  

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Technical documentation

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Type Title Date
* Data sheet THS7530 High-Speed, Fully Differential, Continuously Variable Gain Amplifier datasheet (Rev. E) 14 Aug 2020
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
User guide THS7530EVM (Rev. A) 02 Apr 2010
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 Jan 2005

Design & development

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Evaluation board

THS7530EVM — THS7530 Evaluation Module

The THS7530 EVM provides 50 ohm input and output termination for easy evaluation with common 50 ohm test equipment.

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Simulation model

THS7530 TINA-TI Reference Design (Rev. B)

SLAC091B.TSC (123 KB) - TINA-TI Reference Design
Simulation model

THS7530 TINA-TI Spice Model (Rev. A)

SLAM020A.ZIP (4 KB) - TINA-TI Spice Model
Simulation model

THS7530 PSpice Model (Rev. A)

SLOJ139A.ZIP (36 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
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HTSSOP (PWP) 14 View options

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