THS1408QPHP

Product Overview

Category: Integrated Circuit (IC)

Use: THS1408QPHP is a high-speed, low-power, 14-bit analog-to-digital converter (ADC) designed for various applications in the field of data acquisition and signal processing.

Characteristics: - High speed: The THS1408QPHP can sample at rates up to 125 Mega Samples Per Second (MSPS), making it suitable for capturing fast-changing signals. - Low power consumption: It operates on a low supply voltage range of 2.7V to 3.6V, minimizing power consumption. - High resolution: With a 14-bit resolution, it provides accurate conversion of analog signals into digital form. - Small package size: The THS1408QPHP comes in a compact QFN package, allowing for space-efficient integration into electronic systems. - Wide input voltage range: It supports a wide input voltage range of -0.3V to VDD + 0.3V, enabling compatibility with various signal levels.

Package and Quantity: The THS1408QPHP is available in a QFN-48 package. Each package contains one unit of the IC.

Specifications

• Resolution: 14 bits
• Sampling Rate: Up to 125 MSPS
• Input Voltage Range: -0.3V to VDD + 0.3V
• Supply Voltage Range: 2.7V to 3.6V
• Power Consumption: <100mW
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The THS1408QPHP has a total of 48 pins arranged as follows:

Pin Number | Pin Name | Description -----------|----------|------------- 1 | VREFP | Positive Reference Voltage Input 2 | VREFN | Negative Reference Voltage Input 3 | AGND | Analog Ground 4-17 | VIN[0:13]| Analog Input Channels 18 | DVDD | Digital Power Supply 19 | DGND | Digital Ground 20-27 | D[0:7] | Digital Output Data 28 | CLK | Clock Input 29 | CS | Chip Select Input 30 | RESET | Reset Input 31 | PD | Power-Down Input 32 | PDWNB | Power-Down Enable Input 33-40 | A[0:7] | Address Inputs 41-48 | NC | No Connect

Functional Features

1. High-speed conversion: The THS1408QPHP can convert analog signals into digital form at a high sampling rate of up to 125 MSPS.
2. Low power consumption: It operates on a low supply voltage range, minimizing power consumption in applications.
3. Wide input voltage range: The ADC supports a wide input voltage range, allowing for compatibility with various signal levels.
4. High resolution: With a 14-bit resolution, it provides accurate conversion and precise representation of analog signals.
5. Compact package: The QFN package enables space-efficient integration into electronic systems.

Advantages and Disadvantages

Advantages: - High-speed conversion capability - Low power consumption - Wide input voltage range - High resolution for accurate conversion - Compact package size for space efficiency

Disadvantages: - Limited pin count for input channels - Requires external reference voltage sources

Working Principles

The THS1408QPHP utilizes a successive approximation register (SAR) architecture to perform the analog-to-digital conversion. It samples the analog input voltage and compares it to a reference voltage. By iteratively adjusting the digital code, it converges to a binary representation of the input voltage.

Application Field Plans

The THS1408QPHP finds applications in various fields, including: 1. Data acquisition systems 2. Medical imaging equipment 3. Communication systems 4. Industrial automation 5. Test and measurement instruments

Alternative Models

1. AD9248: 14-bit, 125 MSPS ADC from Analog Devices
2. MAX11905: 14-bit, 125 MSPS ADC from Maxim Integrated
3. LTC2209: 14-bit, 125 MSPS ADC from Linear Technology

These alternative models offer similar specifications and functionality to the THS1408QPHP and can be considered as alternatives based on specific application requirements.

In conclusion, the THS1408QPHP is a high-speed, low-power, 14-bit ADC suitable for various data acquisition and signal processing applications. Its compact size, wide input voltage range, and high resolution make it an attractive choice for designers seeking accurate and efficient analog-to-digital conversion.