Overview
The ADS1675IPAG is a high-speed, high-precision analog-to-digital converter (ADC) manufactured by Texas Instruments. It utilizes an advanced delta-sigma (ΔΣ) architecture, enabling it to operate at speeds up to 4 million samples per second (MSPS). This ADC is designed for applications requiring outstanding AC performance and DC accuracy, making it suitable for a variety of high-demand fields such as automated test equipment, medical imaging, scientific instrumentation, and test and measurement.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 24 bits (low-speed mode), 23 bits (high-speed mode) | - |
| Sampling Rate | Up to 4 MSPS (high-speed), 125 kSPS to 1 MSPS (low-speed) | MSPS/kSPS |
| Dynamic Range | 103 dB at 4 MSPS, 111 dB at 125 kSPS | dB |
| Total Harmonic Distortion (THD) | -107 dB | dB |
| Integral Nonlinearity (INL) | 3 ppm | ppm |
| Offset Drift | 4 µV/°C | µV/°C |
| Gain Drift | 4 ppm/°C | ppm/°C |
| Analog Supply Voltage | 4.75 V to 5.25 V | V |
| Digital Supply Voltage | 2.85 V to 3.15 V | V |
| Power Dissipation | 575 mW | mW |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | TQFP-64 | - |
Key Features
- Programmable Digital Filter: Dual-path filter allowing selection between Low-Latency and Wide-Bandwidth paths. The Low-Latency filter settles in 2.65 µs, while the Wide-Bandwidth path offers a bandwidth of 1.7 MHz with a flat passband.
- Flexible Serial Interface: Supports standard CMOS and serialized LVDS logic levels, enabling direct connection to microcontrollers, DSPs, or FPGAs.
- Easy Conversion Control: Dedicated START pin for direct control of conversions.
- Out-of-Range Detection: Built-in detection for out-of-range signals.
- Power Management: Power-down feature via the PDWN pin to reduce power consumption when not in use.
Applications
- Automated Test Equipment: High-precision measurements in automated testing environments.
- Medical Imaging: Accurate data conversion for medical imaging applications.
- Scientific Instrumentation: Precise measurements in scientific instruments.
- Test and Measurement: High-speed data acquisition in test and measurement equipment.
Q & A
- What is the maximum sampling rate of the ADS1675IPAG?
The ADS1675IPAG can operate at speeds up to 4 MSPS. - What are the resolution options for the ADS1675IPAG?
The resolution is 24 bits in low-speed mode and 23 bits in high-speed mode. - What is the dynamic range of the ADS1675IPAG at 4 MSPS?
The dynamic range is 103 dB at 4 MSPS. - What types of serial interfaces does the ADS1675IPAG support?
The device supports standard CMOS and serialized LVDS logic levels. - How is conversion control managed in the ADS1675IPAG?
Conversion control is managed via a dedicated START pin. - What is the power dissipation of the ADS1675IPAG?
The power dissipation is approximately 575 mW. - What is the operating temperature range of the ADS1675IPAG?
The operating temperature range is -40°C to 85°C. - What package type is the ADS1675IPAG available in?
The device is available in a TQFP-64 package. - Does the ADS1675IPAG have a power-down feature?
Yes, it has a power-down feature controlled by the PDWN pin. - What are some common applications of the ADS1675IPAG?
Common applications include automated test equipment, medical imaging, scientific instrumentation, and test and measurement.
