Overview
The ADS1601IPFBR is a high-speed, high-precision delta-sigma analog-to-digital converter (ADC) manufactured by Texas Instruments. This device is optimized for power and performance, utilizing an advanced CMOS process. The ADS1601IPFBR features an oversampling topology that reduces clock jitter sensitivity, significantly improving the signal-to-noise ratio (SNR) compared to Nyquist-rate ADCs. It is particularly suited for demanding measurement applications such as sonar, vibration analysis, and data acquisition.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 16 | |
| Sampling Rate | 1.25 MSPS | |
| Bandwidth | 615 kHz | |
| Input Type | Differential | |
| Operating Temperature Range | -40°C to +85°C | |
| Package | 48-TQFP (7x7 mm) | |
| Voltage Supply | 2.7V to 3.3V | |
| Power Dissipation | 330 mW at 1.25 MSPS, 145 mW at 625 kSPS | |
| SNR | 92 dB at fIN = 100 kHz, -1 dBFS | |
| THD | -103 dB at fIN = 100 kHz, -6 dBFS | |
| SFDR | 105 dB at fIN = 100 kHz, -6 dBFS |
Key Features
- High Speed: Data rate up to 1.25 MSPS and bandwidth of 615 kHz.
- Outstanding Performance: SNR of 92 dB, THD of -103 dB, and SFDR of 105 dB at specific conditions.
- Ease-of-Use: High-speed 3-wire serial interface, direct connection to TMS320 DSPs, on-chip digital filter simplifying anti-alias requirements, and simple pin-driven control without on-chip registers.
- Selectable On-Chip Voltage Reference: Allows for internal or external voltage reference generation.
- Simultaneous Sampling: Enables simultaneous sampling with multiple ADS1601s using a dedicated synchronization pin.
- Low Power: Power dissipation of 330 mW at 1.25 MSPS and 145 mW at 625 kSPS, with a power-down mode available.
Applications
- Sonar: Suitable for high-frequency signal processing in sonar applications.
- Vibration Analysis: Ideal for precise measurement in vibration analysis.
- Data Acquisition: Used in various data acquisition systems requiring high precision and speed.
Q & A
- What is the sampling rate of the ADS1601IPFBR?
The sampling rate of the ADS1601IPFBR is up to 1.25 MSPS.
- What is the bandwidth of the ADS1601IPFBR?
The bandwidth of the ADS1601IPFBR is 615 kHz.
- What type of input does the ADS1601IPFBR support?
The ADS1601IPFBR supports differential inputs.
- What is the operating temperature range of the ADS1601IPFBR?
The operating temperature range is -40°C to +85°C.
- What is the package type of the ADS1601IPFBR?
The package type is 48-TQFP (7x7 mm).
- What is the power dissipation of the ADS1601IPFBR at 1.25 MSPS?
The power dissipation is 330 mW at 1.25 MSPS.
- Does the ADS1601IPFBR support simultaneous sampling with multiple devices?
Yes, it supports simultaneous sampling using a dedicated synchronization pin.
- What is the SNR of the ADS1601IPFBR at fIN = 100 kHz, -1 dBFS?
The SNR is 92 dB at fIN = 100 kHz, -1 dBFS.
- What are the typical applications of the ADS1601IPFBR?
The typical applications include sonar, vibration analysis, and data acquisition.
- How is the power dissipation controlled in the ADS1601IPFBR?
Power dissipation is controlled by an external resistor, allowing reduction in dissipation at slower speeds.
