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THS4509RGTT

1.9-GHz, Wideband, Low-Noise, Low-Distortion, Fully-Differential Amplifier

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

THS4509RGTT
Datasheet:

THS4509RGTT Datasheet (PDF)
Amplifier Type:

Differential
Number of Circuits:

1
Output Type:

Differential
Slew Rate:

6600V/µs
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THS4509RGTT General Description

The THS4509 device is a wideband, fully-differential op amp designed for 5-V data acquisition systems. It has a low noise at 1.9 nV/√Hz, and low harmonic distortion of –75 dBc HD₂ and –80 dBc HD₃ at 100 MHz with 2 V_PP, G = 10 dB, and 1-kΩ load. Slew rate is high at 6600 V/µs, and with settling time of 2 ns to 1% (2-V step), it is ideal for pulsed applications. It is designed for a minimum gain of 6 dB, but is optimized for gains of 10 dB.

To allow for DC coupling to analog-to-digital converters (ADCs), its unique output common-mode control circuit maintains the output common-mode voltage within 3-mV offset (typical) from the set voltage, when set within 0.5-V of midsupply, with less than 4-mV differential offset voltage. The common-mode set point is set to midsupply by internal circuitry, which may be overdriven from an external source.

The input and output are optimized for best performance with the common-mode voltages set to midsupply. Along with high performance at low power-supply voltage, this design makes it ideal for high-performance, single-supply 5-V data acquisition systems. The combined performance of the THS4509 in a gain of 10 dB driving the ADS5500 ADC, sampling at 125 MSPS, is 81-dBc SFDR and 69.1-dBc SNR with a –1 dBFS signal at 70 MHz.

The THS4509 is offered in a quad, leadless VQFN-16 package (RGT), and is characterized for operation over the full industrial temperature range from –40°C to +85°C.

Key Features

Fully-Differential Architecture
Centered Input Common-Mode Range
Output Common-Mode Control
Minimum Gain of 2 V/V (6 dB)
Bandwidth: 1900 MHz
Slew Rate: 6600 V/µs
1% Settling Time: 2 ns
HD₂: –75 dBc at 100 MHz
HD₃: –80 dBc at 100 MHz
OIP₃: 37 dBm at 70 MHz
Input Voltage Noise: 1.9 nV/√Hz (f > 10 MHz)
Power-Supply Voltage: 3 V to 5 V
Power-Supply Current: 37.7 mA
Power-Down Current: 0.65 mA
APPLICATIONS
- 5-V Data Acquisition Systems High Linearity ADC Amplifiers
- Wireless Communication
- Medical Imaging
- Test and Measurement

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Specifications

Category	Integrated Circuits (ICs)LinearAmplifiersInstrumentation, OP Amps, Buffer Amps	Series	-
Amplifier Type	Differential	Number of Circuits	1
Output Type	Differential	Slew Rate	6600V/µs
Gain Bandwidth Product	3 GHz	-3db Bandwidth	2 GHz
Current - Input Bias	8 µA	Voltage - Input Offset	1 mV
Current - Supply	37.7mA	Current - Output / Channel	96 mA
Voltage - Supply Span (Min)	3 V	Voltage - Supply Span (Max)	5.25 V
Operating Temperature	-40°C ~ 85°C	Mounting Type	Surface Mount
Base Product Number	THS4509

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Ratings and Reviews

D**n 03/02/2023

Delivery of the plane, 5 days to moscow. obl. i advise

A**n 01/19/2023

It's okay.Bought on a large coupon and received cashback-more in telegram channel disale-information about cashback-http: // ali. Pub/3b6k12

G**n 07/28/2022

All components have arrived. Several (5 pieces of 3600 pieces) resistors have a defect in the case, which led to the oxidation of the contact, but in such a batch it is a permissible marriage.

T**r 09/04/2021

Externally, everything is well not yet checked in the case