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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零件狀態 : Active
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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
Maxim Integrated's DS1808Z-050+ digital potentiometer is a highly efficient and reliable device designed for precision resistance adjustments. Offering a 256-position resolution and 50 kΩ end-to-end resistance, this potentiometer operates on a single 5V supply voltage, making it suitable for various applications. Its three-wire digital interface simplifies communication with digital control systems, ensuring easy integration. Furthermore, the device's non-volatile memory preserves settings even when powered off, allowing for consistent performance upon power-up. Whether used in audio equipment, instrumentation, or other systems requiring accurate resistance tuning, the DS1808Z-050+ delivers dependable and precise results
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 | N |
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 nonvolatile digital potentiometer designed by Maxim Integrated. It is a 256-position, digitally controlled variable resistor that can be used in applications including audio equipment, instrumentation, and power supply adjustment.
How Does DS1808Z-050 Work?
The DS1808Z-050 works by allowing the user to digitally adjust the resistance value through serial communication. It replaces mechanical potentiometers with a more reliable and flexible electronic solution, providing precise control over resistance values in various applications.
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:
- VH: High voltage terminal.
- VL: Low voltage terminal.
- UD: Up/Down control input.
- U/D: Up/Down control input.
- INC: Increment control input.
- CS: Chip select input.
- IO: Data input/output.
- GND: Ground pin.
What are the Pros and Cons of DS1808Z-050?
Pros:
- Nonvolatile Memory: Retains settings even when power is removed, allowing for preset values on power-up.
- Digital Control: Offers precise digital control over resistance values, eliminating the need for mechanical adjustments.
- Compact Package: The 8-pin SOIC package is space-efficient, suitable for compact designs.
- Reliability: Electronic control reduces wear and tear compared to mechanical potentiometers.
Cons:
- Resolution: Limited to 256 positions, which may not be sufficient for applications requiring finer adjustments.
- Interface Complexity: Requires a microcontroller or digital interface for control, adding complexity to the system.
Are There Any Equivalents/Alternatives to DS1808Z-050 for Recommendation?
- The MCP401X series from Microchip Technology offers similar digital potentiometers with various resolution options.
- Alternatives to the DS1808Z-050 include the AD5241 from Analog Devices and the X9C103S from Renesas Electronics.
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