Overview
The ADS1672IPAGG4 is a high-speed, high-precision analog-to-digital converter (ADC) produced by Texas Instruments. It utilizes an advanced delta-sigma (ΔΣ) architecture, operating at speeds up to 625 kilosamples per second (kSPS) with outstanding AC performance and DC accuracy. This ADC is designed for applications requiring high dynamic range and low distortion, making it suitable for various industrial and measurement applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Data Rate | Up to 625 kSPS | kSPS |
| Dynamic Range | 107 dB at 625 kSPS, 115.5 dB at 78 kSPS | dB |
| Total Harmonic Distortion (THD) | –113 dB | dB |
| Integral Nonlinearity (INL) | 3 ppm | ppm |
| Offset Drift | 2 mV/°C | mV/°C |
| Gain Drift | 2 ppm/°C | ppm/°C |
| Analog Supply Voltage | +5 V | V |
| Digital Supply Voltage | +3 V | V |
| Power Dissipation | 350 mW | mW |
| Operating Temperature Range | –40°C to +85°C | °C |
| Package Type | TQFP-64 |
Key Features
- AC Performance: 107 dB of dynamic range at 625 kSPS and 115.5 dB at 78 kSPS, with –113 dB THD.
- DC Accuracy: 3 ppm INL, 2 mV/°C offset drift, and 2 ppm/°C gain drift.
- Programmable Digital Filter: Dual-path filter with user-selectable low-latency or wide-bandwidth paths. The low-latency filter settles in 5.5 µs, while the wide-bandwidth path offers a 305 kHz bandwidth with flat passband.
- Flexible Serial Interface: Supports standard CMOS and serialized LVDS logic levels.
- Easy Conversion Control: Dedicated START pin for direct control of conversions.
- Out-of-Range Detection: Digital filter out-of-range indicator.
- Power Management: Power-down feature to reduce power consumption when not in use.
Applications
- Automated Test Equipment: High-precision measurements in automated testing environments.
- Vibration Analysis: Accurate measurement of vibration signals.
- Sonar: High-speed data acquisition for sonar applications.
- Test and Measurement: General-purpose test and measurement equipment requiring high accuracy and speed.
Q & A
- What is the maximum data rate of the ADS1672IPAGG4? The maximum data rate is up to 625 kSPS.
- What is the dynamic range of the ADS1672IPAGG4 at 625 kSPS? The dynamic range is 107 dB at 625 kSPS.
- What types of digital filters are available on the ADS1672IPAGG4? The ADS1672IPAGG4 features a dual-path programmable digital filter with low-latency and wide-bandwidth options.
- How is the conversion process controlled on the ADS1672IPAGG4? The conversion process is controlled using a dedicated START pin.
- What are the supply voltages for the ADS1672IPAGG4? The analog supply voltage is +5 V, and the digital supply voltage is +3 V.
- What is the power dissipation of the ADS1672IPAGG4? The power dissipation is 350 mW.
- What is the operating temperature range of the ADS1672IPAGG4? The operating temperature range is –40°C to +85°C.
- What package type is the ADS1672IPAGG4 available in? The ADS1672IPAGG4 is available in a TQFP-64 package.
- Does the ADS1672IPAGG4 support power-down mode? Yes, the ADS1672IPAGG4 has a power-down feature to reduce power consumption when not in use.
- What types of serial interfaces are supported by the ADS1672IPAGG4? The ADS1672IPAGG4 supports standard CMOS and serialized LVDS logic levels.
