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IC ADC 12BIT SAR 16SOIC
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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 #AD7888ARZ
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データシート AD7888ARZ DataSheet
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パッケージ SOIC-16
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在庫状況6398
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 |
| Package / Case | Tube |
| Part Status | Active |
| Number of Bits | 12 |
| Sampling Rate(Per Second) | 125k |
| Number of Inputs | 8 |
| Input Type | Single Ended |
| Data Interface | SPI, DSP |
| Configuration | MUX-S/H-ADC |
| Ratio - S / H: ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 2.7V ~ 5.25V |
| Voltage - Supply, Digital | 2.7V ~ 5.25V |
| Operating Temperature | -40°C ~ 105°C |
| Supplier Device Package | 16-SOIC |
概要
Description
One of the key attributes of the AD7888ARZ is its fast conversion rate, capable of reaching up to 125 kSPS (kilo samples per second), which is advantageous for real-time data processing tasks. Additionally, it has a simple serial interface, which makes it easy to integrate with microcontrollers and other digital systems. The device also boasts a low standby current, further enhancing its suitability for battery-powered applications.
Overall, the AD7888ARZ is valued for its balance of high performance, low power consumption, and ease of integration, making it a reliable choice for various industrial and consumer electronic applications.
Equivalent
1. Microchip MCP3208: 8-channel, 12-bit ADC.
2. Texas Instruments ADS7828: 8-channel, 12-bit ADC.
3. MAXIM MAX1286: 8-channel, 12-bit ADC.
These alternatives offer similar functionality with variations in features like speed, interface, and power consumption. Always confirm compatibility with your specific application requirements.
Features
1. Resolution and Performance: It offers a 12-bit resolution with a sampling rate of up to 125 kSPS, facilitating precise data acquisition.
2. Input Channels: The device has 8 single-ended input channels, allowing multiple signal sources to be monitored simultaneously.
3. Interface: It supports a serial interface, compatible with SPI, QSPI, MICROWIRE, and DSP standards, ensuring flexible communication with microcontrollers.
4. Power Supply: Operates on a single 2.7V to 5.25V power supply, suitable for low-voltage applications.
5. Low Power Consumption: Designed for efficiency, it consumes minimal power, making it ideal for battery-powered devices.
6. Package Options: Available in a compact 20-lead TSSOP package, offering space-saving benefits for circuit design.
7. Temperature Range: It functions effectively over a wide temperature range, from -40°C to +85°C.
This combination of features makes the AD7888ARZ suitable for a variety of applications, including data acquisition systems, industrial automation, and portable instrumentation.
Pinout
1. VDD: Power supply pin.
2. GND: Ground pin for the device.
3. CS (Chip Select): Activates the device when low, allowing the data transfer to begin.
4. SDATA (Serial Data Output): Outputs the converted digital data serially.
5. SCLK (Serial Clock Input): Clock input for synchronizing the data transfer.
6. VIN1: Analog input for Channel 1.
7. VIN2: Analog input for Channel 2.
8. REF IN/OUT: Reference voltage input/output. It can be used to either supply an external reference voltage or output the internally generated reference voltage.
The device is designed for use in a wide range of applications, including battery-powered systems, due to its low power consumption and small footprint.
Manufacturer
Application
1. Industrial Automation: For monitoring and controlling processes.
2. Instrumentation: Utilized in test equipment for accurate measurement.
3. Data Logger Systems: Captures and records data over time.
4. Medical Devices: Used in devices requiring signal conversion, like ECG machines.
5. Consumer Electronics: In devices needing multiple sensor inputs.
6. Smart Sensors and IoT Devices: Facilitates multi-sensor data collection.
7. Automotive Systems: For applications like engine control and monitoring.
Its versatility and precision make it suitable for various multi-channel data conversion needs.