DS1808Z-050+
With its dual-channel design, this IC provides versatile and efficient control over resistance levels."DS1808Z-050+
With its dual-channel design, this IC provides versatile and efficient control over resistance levels."
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製造商零件號 # : DS1808Z-050+
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包裝/封裝: SOIC-16
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製造商: Analog Devices
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產品分類 : Digital Potentiometers
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DS1808Z-050+ 數據表
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詳細說明
The DS1808 is a dual-channel, digitally controlled, log-taper potentiometer. Each potentiometer is comprised of 32 wiper terminal positions plus a mute position.FEATURES■ Two 32-position log-tapers■ 60dB attenuation range: –1dB per step (12 taps) –2dB per step (12 taps) –3dB per step (8 taps) –90dB low-end attenuation■ 2-Wire Interface Control■ Power Supply: Dual ±12V■ Maximum Voltage Across Potentiometers: ±12V■ Standard Resistance Value: 45kΩ■ Packages: 16-Pin SOIC■ Operating Temperature: -40°C to +85°C
主要特徵
- Two 32-position log-tapers
- 60dB attenuation range:
- –1dB per step (12 taps)
- –2dB per step (12 taps)
- –3dB per step (8 taps)
- –90dB low-end attenuation
- 2-Wire Interface Control
- Power Supply: Dual ±12V
- Maximum Voltage Across Potentiometers: ±12V
- Standard Resistance Value: 45kΩ
- Packages: 16-Pin SOIC
- Operating Temperature: -40°C to +85°C
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Product Category ! | Digital Potentiometer ICs | RoHS | Details |
Series | DS1808Z | Resistance | 45 kOhms |
Temperature Coefficient ! | 750 PPM / C | Tolerance | 20 % |
Number of POTs | Dual | Taps per POT | 32 |
Wiper Memory | Volatile | Digital Interface | Serial (2-Wire) |
Operating Supply Voltage ! | 4.5 V to 13.2 V | Operating Supply Current | 25 uA |
Minimum Operating Temperature | - 40 C | Maximum Operating Temperature ! | + 85 C |
Mounting Style | PCB Mount | Termination Style | SMD/SMT |
Package / Case | SOIC-16 | Taper | Log |
Brand | Analog Devices / Maxim Integrated | Description/Function | Dual Log Digital Potentiometer |
Height | 1.75 mm | Length | 10 mm |
Product Type ! | Digital Potentiometer ICs | Factory Pack Quantity | 50 |
Subcategory | Digital Potentiometer ICs | Supply Type | Dual |
Supply Voltage - Max | 13.2 V | Supply Voltage - Min | 4.5 V |
Width | 4 mm | Part # Aliases | DS1808Z 90-1808Z+050 |
Unit Weight | 0.023492 oz |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is DS1808Z-050+?
The DS1808Z-050+ is a non-volatile digital potentiometer manufactured by Maxim Integrated. It allows for digitally controlled resistance adjustments in electronic circuits, providing flexibility in applications like audio equipment, instrumentation, and analog signal processing.
How Does DS1808Z-050+ Work?
The DS1808Z-050+ operates as a digital potentiometer, allowing the user to digitally control the resistance value through serial communication. It contains integrated EEPROM memory to store the resistance settings even when powered off, providing non-volatile memory functionality. The device can replace traditional mechanical potentiometers with electronic control for enhanced precision and reliability.
How Many Pins does DS1808Z-050+ have and What are the Functions of the Pinout Configuration?
The DS1808Z-050+ is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- CS: Chip select input for serial communication.
- U/D: Up/Down control input to adjust resistance incrementally.
- INC: Increment enable input for resistance adjustment.
- VH, VL: High and low voltage supply pins.
- A, B: Analog terminals for resistance setting.
- Vss: Ground pin.
What are the Pros and Cons of DS1808Z-050+?
Pros:
- Digital Control: Allows for precise and repeatable resistance adjustments.
- Non-Volatile Memory: Stores resistance settings even when powered off.
- Compact Package: Space-efficient 8-pin SOIC package for easy integration.
- Programmable: Can be easily interfaced with microcontrollers and digital systems.
- Reliability: Replaces mechanical potentiometers for improved long-term reliability.
Cons:
- Resolution: Limited resolution compared to some higher-end digital potentiometers.
- Temperature Drift: May exhibit slight resistance changes with temperature variations.
- Supply Voltage Limits: Operating voltage range constraints may limit some applications.
Are There Any Equivalents/Alternatives to DS1808Z-050+ for Recommendation?
- The MCP401X series from Microchip Technology offers similar digital potentiometers with varying features.
- Alternatives to the DS1808Z-050+ include the AD5235 from Analog Devices and the CAT5132 from ON Semiconductor.
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