DS1267S-100+
Dual Voltage Digital Potentiometer Integrated CircuitsDS1267S-100+
Dual Voltage Digital Potentiometer Integrated Circuits
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製造商零件號 # : DS1267S-100+
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包裝/封裝: SOIC-16
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製造商: Analog Devices Inc.
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產品分類 : Digital Potentiometers
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DS1267S-100+ 數據表
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詳細說明
FEATURES ● Ultra-low power consumption, quiet, pumpless design ● Two digitally controlled, 256-position potentiometers ● Serial port provides means for setting and reading both potentiometers ● Resistors can be connected in series to provide increased total resistance ● 14-pin DIP, 16-pin SOIC, 20-pin TSSOP packages ● Resistive elements are temperature compensated to ±0.3 LSB relative linearity ● Standard resistance values: – DS1267-10 ~ 10 kW – DS1267-50 ~ 50 kW – DS1267-100 ~ 100 kW ● Operating Temperature Range: – Industrial: -40°C to +85°C
主要特徵
- The DS12-100 series provides a high degree of flexibility
- It can be easily configured and programmed using the manufacturer's software tools
- This allows designers to optimize performance, reduce power consumption, and improve overall system efficiency
應用
- Simple installation process
- Intuitive user interface
- Wide range of applications supported
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 | DS1267S | Resistance | 100 kOhms |
Temperature Coefficient ! | 750 PPM / C | Tolerance | 20 % |
Number of POTs | Dual | Taps per POT | 256 |
Wiper Memory | Volatile | Digital Interface | Serial (3-Wire) |
Operating Supply Voltage ! | 4.5 V to 5.5 V | Operating Supply Current | 22 uA |
Minimum Operating Temperature | - 40 C | Maximum Operating Temperature ! | + 85 C |
Mounting Style | PCB Mount | Termination Style | SMD/SMT |
Package / Case | SOIC-16 | Taper | Linear |
Brand | Analog Devices / Maxim Integrated | Description/Function | Dual Digital Potentiometer Chip |
Height | 2.65 mm | Length | 10.5 mm |
Product Type ! | Digital Potentiometer ICs | Factory Pack Quantity | 45 |
Subcategory | Digital Potentiometer ICs | Supply Type | Dual |
Supply Voltage - Max | 5.5 V | Supply Voltage - Min | 4.5 V |
Width | 7.6 mm | Part # Aliases | DS1267S |
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 DS1267S-100+?
The DS1267S-100+ is a dual digital potentiometer from Maxim Integrated. It features two digitally controlled potentiometers in a single package, offering programmable resistance for various applications such as audio volume control, LCD brightness adjustment, and voltage regulation.
How Does DS1267S-100+ Work?
The DS1267S-100+ functions by digitally controlling the resistance value of each potentiometer using a serial interface. This enables precise and repeatable adjustment of resistance, allowing users to set specific output levels or voltages. The device can be programmed to provide different resistance values based on the application requirements.
How Many Pins does DS1267S-100+ have and What are the Functions of the Pinout Configuration?
The DS1267S-100+ is housed in a 14-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC, GND: Power supply pins.
- A0, A1, A2: Address select pins for configuration.
- SCK: Serial clock input for communication.
- SDI: Serial data input for programming.
- SYNC: Synchronization input for simultaneous updating.
- RDAC1, RDAC2: Wiper terminal outputs for each potentiometer.
What are the Pros and Cons of DS1267S-100+?
Pros:
- Dual Potentiometers: Offers the flexibility of controlling two independent resistance settings in one device.
- Digital Control: Allows for precise and easy adjustment of resistance values via a digital interface.
- Non-Volatile Memory: Retains settings even when powered off, ensuring consistent performance.
- Programmable Features: Supports various configurations such as resistance value, wiper position, and power-on behavior.
- Compact Form Factor: Space-efficient 14-pin SOIC package suitable for compact designs.
Cons:
- Resolution Limitation: May have lower resolution compared to some dedicated single-channel digital potentiometers.
- Complex Interface: Requires understanding of serial communication protocols for programming.
- Reliability Concerns: Like all electronic components, reliability can be a factor over time and usage.
Are There Any Equivalents/Alternatives to DS1267S-100+ for Recommendation?
- The MCP4532 from Microchip Technology is a dual digital potentiometer that can be considered as an alternative to the DS1267S-100+.
- Alternatives to the DS1267S-100+ include the AD5263 from Analog Devices and the MAX5481 from Maxim Integrated.
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