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AD7245ABR
+BOMIC DAC 12BIT V-OUT 24SOIC
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メーカーテキサス・インスツルメンツ
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メーカー品番 #AD7245ABR
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データシート AD7245ABR DataSheet
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在庫状況9761
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Series | DACPORT® |
| PartStatus | Obsolete |
| NumberofBits | 12 |
| NumberofD/AConverters | 1 |
| SettlingTime | 7µs |
| OutputType | Voltage - Buffered |
| DifferentialOutput | No |
| DataInterface | Parallel |
| ReferenceType | Internal |
| Voltage-Supply,Analog | ±10.8V ~ 16.5V |
| Voltage-Supply,Digital | 10.8V ~ 16.5V |
| INL/DNL(LSB) | ±0.75 (Max), ±1 (Max) |
| Architecture | R-2R |
| OperatingTemperature | -40°C ~ 85°C |
| Package/Case | 24-SOIC (0.295", 7.50mm Width) |
| SupplierDevicePackage | 24-SOIC |
| MountingType | Surface Mount |
| BaseProductNumber | AD7245 |
概要
Description
The AD7245ABR utilizes a serial input interface (SPI-compatible) for easy integration into microcontroller-based systems, facilitating straightforward communication and control. It supports multiple output ranges and offers excellent linearity and low noise, ensuring high-quality signal reproduction. The DAC also incorporates reference voltage options to enhance its flexibility in different applications.
With its compact form factor and efficient power consumption, the AD7245ABR is an ideal choice for projects needing reliable and precise analog signal generation in a small footprint.
Equivalent
1. MCP4821 - 12-bit DAC from Microchip.
2. LTC2604 - 12-bit DAC from Analog Devices.
3. DAC7612 - 12-bit dual DAC from Texas Instruments.
4. AD5320 - 12-bit DAC from Analog Devices.
These alternatives may vary in features, supply voltage, and packaging, so it's essential to consult the datasheets for specific requirements.
Features
1. Resolution: 12 bits, providing 4096 discrete output levels.
2. Output Range: Can generate analog outputs from 0 to 5V or 0 to 10V, depending on configuration.
3. Settling Time: Fast settling time of typically 1.2 µs to 0.01% of final output.
4. Input Interface: Compatible with standard digital inputs (TTL/CMOS).
5. Low Power Consumption: Operates at low supply currents, making it suitable for portable applications.
6. Monotonicity: Ensures a monotonic output, which is crucial for accurate signal generation.
7. Temperature Range: Operates over a wide temperature range, enhancing reliability in various environments.
8. Application Versatility: Ideal for instrumentation, industrial control, and signal processing applications.
Overall, the AD7245ABR combines high performance with flexibility, making it a robust choice for demanding analog output needs.
Pinout
Pin Count: 28 pins.
Key Functions:
- Data Input: Accepts digital data via a parallel input interface.
- Voltage Reference: Provides a voltage reference for output scaling.
- Output Channels: Supports 5 separate DAC output channels, allowing for simultaneous conversion.
- Control Pins: Includes pins for chip select, write, and output enable functions to control operation modes.
- Power Supply: Operates with a single power supply, typically from +5V to +15V.
- Analog Output: Delivers analog voltage output proportional to the digital input.
This chip is suitable for applications in signal generation, audio processing, and instrumentation where multiple outputs are required.