THS4150 EVM Specifications

1.3 THS4150 EVM Specifications

Supply voltage range, ± VCC . . . . 5 V to ± 15 V (see the device data sheet)

Supply current, ICC . . . . . . . . . . . . . . . . . . . . . . . . (see the device data sheet) Output drive, IO, VCC = ± 15 . . . . . . . . . . . . . . . . . (see the device data sheet)

For complete THS4150 amplifier IC specifications, parameter measurement information, and additional application information, see the THS4150 data sheet, TI literature number SLOS321.

1.4 Schematic of the Populated Circuit (Default Configuration)

For verification of jumper locations and other bypass components, see the complete EVM schematic in Figure 1±2.

Figure 1±1. Schematic of the Populated Circuit on the EVM (Default Configuration)

50Ω

Source

VIN

AC

RX3

49.9Ω

RX1

R1b

0 Ω

0 Ω

 

R1a

JU3

0 Ω

 

Rx0

24.9 Ω

 

R6B

 

 

 

402 Ω

 

 

 

 

C4

 

 

 

 

VCC

 

 

 

R3b

+

R4b

JU4 Rx4

R10

374 Ω

±

0 Ω

0 Ω

49.9 Ω

R3a

THS4150

R4a

Rx5

Rx6

+

374 Ω

±

 

 

 

 

0 Ω

0 Ω

49.9 Ω

C1

VCC±

C6

 

 

 

VOCM

 

 

 

 

R6a

 

 

 

 

402 Ω

 

 

 

Note: Default populated footprints on the EVM from the input nodes to the output terminals Gain = 1

Introduction and Description

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Texas Instruments manual THS4150 EVM Specifications, Schematic of the Populated Circuit Default Configuration

THS4150 specifications

Texas Instruments (TI) is renowned for its innovative analog and mixed-signal technologies, and one of its standout products in the operational amplifier domain is the THS4150. This high-speed, precision, voltage-feedback amplifier has garnered attention in various applications, particularly in high-frequency and low-noise environments.

One of the main features of the THS4150 is its impressive bandwidth. It boasts a bandwidth of 120 MHz, making it suitable for wideband signal amplification in applications like video processing, data conversion, and instrumentation. The amplifier also has a high slew rate of 1600 V/μs, enabling it to respond quickly to rapid signal changes. This characteristic is particularly crucial for applications where maintaining signal integrity is paramount.

The THS4150 operates with a supply voltage range from ±2.5 V to ±9 V, providing flexibility for designers looking to optimize power consumption and performance in battery-operated systems or other sensitive applications. Its low input offset voltage of 0.5 mV ensures accurate signal amplification, making it ideal for precision measurement systems.

Another noteworthy aspect of the THS4150 is its output drive capability. The amplifier can source and sink up to 200 mA of output current, allowing it to drive heavy loads without significant distortion. This feature is beneficial in driving capacitive loads and connecting directly to other stages in an analog signal chain.

In terms of technology, the THS4150 employs TI’s advanced bipolar process, which combines high-speed and low-noise characteristics essential for modern electronics. The amplifier is also designed to minimize power supply rejection, ensuring stable performance even under varying power supply conditions.

The device includes built-in protection features that accommodate various real-world scenarios, such as limited input voltage conditions and short circuits at the output. Consequently, this contributes to its reliability and robustness in demanding applications.

In summary, the Texas Instruments THS4150 is a high-performance voltage-feedback amplifier that stands out due to its wide bandwidth, high slew rate, low offset voltage, and strong output drive capability. These features make it a versatile choice for various applications, including high-speed data acquisition, video signal processing, and low-noise amplification. As designers seek to create sophisticated systems requiring reliable signal integrity and performance, the THS4150 is poised to be an invaluable component in their toolbox.