Texas Instruments ADS7818E/250
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.58 | $7.58 |
| 15+ | $7.34 | $110.10 |
| 25+ | $7.18 | $179.50 |
| 50+ | $6.78 | $339.00 |
| 100+ | $5.99 | $599.00 |
| N+ | $1.20 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 500k |
| Number of Inputs | 1 |
| Input Type | Differential |
| Data Interface | SPI |
| Configuration | S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | Internal |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 5V |
| Features | - |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Grade | - |
| Qualification | - |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-VSSOP |
| ROHS |  |
The ADS7818E/250 from Texas Instruments is a 12-bit analog-to-digital converter (ADC) featuring a maximum sampling rate of 500 kSPS. This single-channel device integrates an internal voltage reference, simplifying circuit design and reducing external components. It uses an SPI interface for digital communication and is housed in a compact 8-TSSOP/MSOP package. Operating over a temperature range of -40°C to +85°C, it is well-suited for portable instrumentation, industrial control, and medical applications.
- Integrated Internal Reference: Eliminates the need for an external reference, saving board space and reducing BOM cost.
- Compact Size: The 8-TSSOP/MSOP package is ideal for space-constrained portable designs.
- Reliable Performance: 12-bit resolution and 500 kSPS sampling provide a good balance of speed and accuracy for most applications.
- Easy Integration: SPI interface ensures seamless connection to a wide range of microcontrollers and DSPs.
Portable Instrumentation
The internal reference and 500 kSPS sampling rate make the ADS7818E/250 ideal for portable multimeters and handheld data loggers, reducing component count and power consumption.
Industrial Process Control
With 12-bit resolution and SPI interface, this ADC can be used in industrial controllers for monitoring analog signals like temperature and pressure with sufficient accuracy.
Data Acquisition Systems
The 500 kSPS rate allows for fast sampling in multi-channel data acquisition systems when combined with an external multiplexer, enabling efficient data logging.
Medical Devices
In portable medical devices such as glucose meters and pulse oximeters, the internal reference and small package (8-TSSOP/MSOP) enable compact and reliable designs.
Automotive Test Equipment
Operating from -40°C to +85°C, the ADS7818E/250 can be used in automotive test benches for sensor signal digitization and engine control unit (ECU) testing.
Consumer Electronics
For applications like audio level metering or battery monitoring in consumer devices, the simple SPI interface and internal reference make integration straightforward.
- Q: What is the ADS7818E/250?
- A: It is a 12-bit analog-to-digital converter (ADC) with a sample-and-hold architecture (S/H-ADC) from Texas Instruments.
- Q: What is the resolution?
- A: The resolution is 12 bits, providing 4096 discrete output levels.
- Q: What is the maximum sampling rate?
- A: It supports a maximum sampling rate of 500 kSPS (kilo samples per second).
- Q: How many channels does it have?
- A: It has a single input channel (1 channel).
- Q: What interface does it use?
- A: It uses the SPI (Serial Peripheral Interface) for communication.
- Q: Does it have an internal reference?
- A: Yes, it includes an internal voltage reference, simplifying the design and reducing external components.
ADS7818E/250.pdf
- Q: What is the ADS7818E/250?
- A: It is a 12-bit analog-to-digital converter (ADC) with a sample-and-hold architecture (S/H-ADC) from Texas Instruments.
- Q: What is the resolution?
- A: The resolution is 12 bits, providing 4096 discrete output levels.
- Q: What is the maximum sampling rate?
- A: It supports a maximum sampling rate of 500 kSPS (kilo samples per second).
- Q: How many channels does it have?
- A: It has a single input channel (1 channel).
- Q: What interface does it use?
- A: It uses the SPI (Serial Peripheral Interface) for communication.
- Q: Does it have an internal reference?
- A: Yes, it includes an internal voltage reference, simplifying the design and reducing external components.
