Allicdata Part #: | MAX5495ETE+-ND |
Manufacturer Part#: |
MAX5495ETE+ |
Price: | $ 3.63 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Maxim Integrated |
Short Description: | IC DGTL POT 10BIT 16TQFN |
More Detail: | Digital Potentiometer 50k Ohm 2 Circuit 1024 Taps ... |
DataSheet: | MAX5495ETE+ Datasheet/PDF |
Quantity: | 909 |
1 +: | $ 3.29490 |
10 +: | $ 3.15819 |
50 +: | $ 3.10855 |
Memory Type: | Non-Volatile |
Base Part Number: | MAX5495 |
Supplier Device Package: | 16-TQFN (5x5) |
Package / Case: | 16-WQFN Exposed Pad |
Operating Temperature: | -40°C ~ 85°C |
Resistance - Wiper (Ohms) (Typ): | 50 |
Temperature Coefficient (Typ): | 35 ppm/°C |
Tolerance: | ±25% |
Features: | -- |
Voltage - Supply: | 2.7 V ~ 5.25 V, ±2.5 V ~ 5.25 V |
Series: | -- |
Interface: | SPI |
Resistance (Ohms): | 50k |
Number of Taps: | 1024 |
Number of Circuits: | 2 |
Configuration: | Potentiometer |
Taper: | Linear |
Part Status: | Active |
Packaging: | Tube |
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The MAX5495ETE+ is a digital potentiometer with precision resistors integrated into the circuit and designed for applications such as data acquisition, power management, and audio systems. With 256 positions, the device works on a single 5V power supply making it ideal for portable designs. It offers 2 levels of zero-crossing detection, adjustable slew rate, ultra-low power consumption and programmable memory. The device can be controlled over both the I2C and SPI interfaces and comes in two packages; a 6-pin SOT23 and 8-pin µMAX. This article will look into the application field and the working principle of the MAX5495ETE+.
Application Field
The MAX5495ETE+ features an on-board non-volatile memory using a serialized EEPROM that allows storage of up to 8 positions of wiper values. This makes it ideal for designs requiring data acquisition, where the digital potentiometer must be configured directly during system startup. It can also be used for power management and audio systems applications, as it offers 2 levels of zero-crossing detection and an adjustable slew rate for smooth, low distortion audio. Due to its low power consumption and small 6 or 8 pin packages it is suitable for portable and battery operated designs.
Working Principle
The MAX5495ETE+ is a digitally controlled linear potentiometer. It is composed of an adjustable resistor array with two end terminals and one or two wiper terminators that can be programmatically switched between each end with 256 linearly spaced positions. The resistance between the two end terminals remains constant regardless of the position of the wiper between them.
The device is controlled by the output voltage of its inputs. A logic high output will position the wiper at the end terminal labelled "B" and a logic low output results in the wiper aligning to the end terminal labelled "A". As the outputs move linearly from low to high, the wiper will incrementally move from one end to the other. The two logic inputs are multiplexed such that one channel of the chip can provide two of the output signals simultaneously.
The device is 6 or 8 pins depending on the package, with several other features. The adjustable slew rate is used to reduce distortions during audio applications and the low power consumption ensures maximum efficiency when using in portable designs. Moreover, the multi-channel interface offers flexibility over which communication protocol is used.
Conclusion
In conclusion, the MAX5495ETE+ is a digital potentiometer specially designed for data acquisition, power management, and audio systems applications. It features a 256-position resistor array, adjustable slew rate, non-volatile memory and ultra-low power consumption in 6 or 8-(µMAX) pin packages. The device can be controlled over both I2C and SPI interfaces, making it an ideal choice for portable design projects.
The specific data is subject to PDF, and the above content is for reference
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