Overview
The ADS8557IPMR from Texas Instruments is a versatile and high-performance analog-to-digital converter (ADC) designed for simultaneous sampling of multiple signals. This 14-bit, six-channel ADC uses a successive approximation register (SAR) architecture and is housed in a 64-pin LQFP package. It offers true bipolar inputs and sample-and-hold circuits, enabling precise and simultaneous acquisition of multiple signals. The device is suitable for a wide range of applications due to its high speed, wide input range, and low power consumption.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer | Texas Instruments | Series | ADS8557 |
| Mounting Style | SMD/SMT | Resolution | 14 bit |
| Number of Channels | 6 Channel | Interface Type | Parallel, Serial |
| Sampling Rate | 670 kS/s | Input Type | Single-Ended |
| Architecture | SAR | Analog Supply Voltage | 4.5 V to 5.5 V |
| Digital Supply Voltage | 2.7 V to 5.5 V | SNR - Signal to Noise Ratio | 85 dB |
| Minimum Operating Temperature | -40°C | Maximum Operating Temperature | +125°C |
| DNL - Differential Nonlinearity | +/- 1 LSB | INL - Integral Nonlinearity | +/- 1 LSB |
| Power Consumption | 335 mW | Reference Type | External, Internal |
| SINAD - Signal to Noise and Distortion Ratio | 84 dB | Package/Case | LQFP (PM)-64 |
| Height | 1.4 mm | Length | 10 mm |
| Width | 10 mm | Moisture Sensitive | Yes |
Key Features
- Multiple Conversion Modes
- Flexible Clock Control
- Simplified Interface
- Simultaneous Sampling of Six Channels
- True Bipolar Inputs and Sample-and-Hold Circuits
- Pin-Selectable or Programmable Input Voltage Ranges: Up to ±12 V
- Programmable and Buffered Internal Reference: 0.5 V to 2.5 V and 0.5 V to 3.0 V
- Comprehensive Power-Down Modes: Deep Power-Down (Standby Mode), Partial Power-Down, Auto-Nap Power-Down
- Selectable Parallel or Serial Interface
- Low Power Consumption: 335 mW
Applications
The ADS8557IPMR is suitable for a wide range of applications, including:
- Industrial Automation
- Medical Devices
- Aerospace and Defense
- Test and Measurement Equipment
- Data Acquisition Systems
- High-Speed Data Conversion in Various Industrial and Scientific Applications
Q & A
- Q: What is the resolution and number of channels of the ADS8557IPMR?
A: The ADS8557IPMR is a 14-bit, six-channel analog-to-digital converter.
- Q: What is the maximum sampling rate of the ADS8557IPMR?
A: The maximum sampling rate of the ADS8557IPMR is 670 kSPS in parallel interface mode and 470 kSPS in serial interface mode.
- Q: What are the input voltage ranges for the ADS8557IPMR?
A: The ADS8557IPMR can accept single-ended or differential input signals in the range of ±12 V.
- Q: What are the power-down modes available in the ADS8557IPMR?
A: The ADS8557IPMR features comprehensive power-down modes including Deep Power-Down (Standby Mode), Partial Power-Down, and Auto-Nap Power-Down.
- Q: What is the operating temperature range of the ADS8557IPMR?
A: The operating temperature range of the ADS8557IPMR is -40°C to +125°C.
- Q: Is the ADS8557IPMR RoHS compliant?
A: Yes, the ADS8557IPMR is RoHS compliant.
- Q: What is the package type and pin count of the ADS8557IPMR?
A: The ADS8557IPMR is packaged in a 64-pin LQFP package.
- Q: How can I obtain detailed information about the ADS8557IPMR, such as application notes and factory information?
A: You can find comprehensive details about the ADS8557IPMR by visiting the Texas Instruments information page or using the search engine on the distributor's website.
- Q: What warranty is offered for the ADS8557IPMR?
A: A 1-year warranty is offered for the ADS8557IPMR, covering any defects in materials and workmanship under normal use.
- Q: How can I ensure the authenticity of the ADS8557IPMR from Texas Instruments?
A: Distributors like Ovaga ensure authenticity by rigorously testing and verifying the credentials of original Texas Instruments manufacturers and authorized agents.
