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ADS8344EB
+BOMIC ADC 16BIT SAR 20SSOP
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #ADS8344EB
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在庫状況6770
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 |
| PartStatus | Active |
| BaseProductNumber | ADS8344 |
| NumberofBits | 16 |
| SamplingRate(PerSecond) | 100k |
| NumberofInputs | 4, 8 |
| InputType | Differential, Single Ended |
| DataInterface | SPI |
| Configuration | S/H-ADC |
| Ratio-S/H:ADC | 1:1 |
| NumberofA/DConverters | 1 |
| Architecture | SAR |
| ReferenceType | External |
| Voltage-Supply,Analog | 2.7V ~ 3.6V, 5V |
| Voltage-Supply,Digital | 2.7V ~ 3.6V, 5V |
| OperatingTemperature | -40°C ~ 85°C |
| Package | 20-SSOP (0.154", 3.90mm Width) |
| SupplierDevicePackage | 20-SSOP |
| MountingType | Surface Mount |
| Packaging | Bulk, Tube |
概要
Description
### Key Features:
- 16-bit resolution with ±1 LSB accuracy.
- 4 single-ended or 2 differential input channels.
- 100 kSPS sampling rate.
- SPI-compatible serial interface for easy microcontroller interfacing.
- Onboard voltage reference (2.5V) and low-noise analog front-end.
### Purpose:
The ADS8344EB simplifies ADC evaluation, providing a ready-to-use platform for testing performance, signal conditioning, and interfacing with microcontrollers. It includes test points, jumpers for configuration, and supports both single-ended and differential input modes.
### Applications:
- Data acquisition systems
- Industrial sensors
- Medical instrumentation
- Battery monitoring
The board is ideal for quick prototyping and verifying ADC performance in real-world conditions.
Equivalent
1. AD7680 by Analog Devices – 16-bit, 8-channel ADC.
2. MCP3208 by Microchip Technology – 12-bit, 8-channel ADC (lower resolution).
3. ADS7844 by Texas Instruments – 12-bit, 8-channel ADC (lower resolution).
4. MAX11619 by Maxim Integrated – 16-bit, 8-channel ADC.
Make sure to confirm electrical and performance characteristics for specific application requirements.
Features
1. Resolution: 16 bits, ensuring high precision in digital representation of analog inputs.
2. Input channels: 8 single-ended or 4 differential input channels, offering flexibility in signal connection.
3. Sampling Rate: Up to 100 kSPS (kilo-samples per second), suitable for moderate-speed data acquisition.
4. Interface: Serial SPI-compatible interface, simplifying integration with microcontrollers and digital systems.
5. Input Range: 0 to VREF, accommodating a variety of input signal levels.
6. Reference Voltage: External reference up to 5V, allowing customization of full-scale range.
7. Power Supply: Operates with a 2.7V to 5.5V supply, providing versatility for low-power applications.
8. Low Power Consumption: Ideal for battery-powered and portable devices.
9. Package: Available in a compact SSOP-20 package, facilitating space-constrained designs.
The ADS8344EB is well-suited for applications requiring precise analog-to-digital conversion, such as industrial control, instrumentation, and data acquisition systems.
Pinout
1. Pins 1-4 (CH0-CH3): These are the analog input channels. The ADS8344EB can accept four single-ended inputs or two differential inputs.
2. Pin 5 (REF+): Positive reference voltage input.
3. Pin 6 (REF-): Negative reference voltage input.
4. Pin 7 (COM): Common pin, typically connected to ground.
5. Pin 8 (VCC): Power supply pin.
6. Pin 9 (DOUT): Serial data output.
7. Pin 10 (DIN): Serial data input.
8. Pin 11 (CS/SHDN): Chip select/shutdown input.
9. Pin 12 (DCLK): Serial clock input.
10. Pin 13 (BUSY): Busy output, indicates conversion status.
11. Pin 14 (GND): Ground pin.
12. Pin 15 (VREF-): Negative reference voltage input.
13. Pin 16 (VREF+): Positive reference voltage input.
This ADC is commonly used in applications requiring precision analog signal conversion, such as in industrial control and measurement systems.