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ADS8345NB
+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 #ADS8345NB
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在庫状況3539
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 |
| Part Status | Active |
| Number of Bits | 16 |
| Sampling Rate (Per Second) | 100k |
| Number of Inputs | 4, 8 |
| Input Type | Differential, Single Ended |
| Data Interface | SPI |
| Configuration | S/H-ADC |
| Ratio - S / H: ADC | 1:1 |
| Number of A / D Converters | 1 |
| Architecture | SAR |
| Reference Type | External |
| Voltage - Supply, Analog | 2.7V ~ 3.6V, 5V |
| Voltage - Supply, Digital | 2.7V ~ 3.6V, 5V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 20-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SSOP |
| Mounting Type | Surface Mount |
| Base Product Number | ADS8345 |
概要
Description
The ADS8345NB is a high-precision, 16-bit analog-to-digital converter (ADC) designed for applications requiring accurate and efficient data acquisition. It features a maximum sampling rate of 100 kSPS (kilosamples per second) and supports a differential input configuration, allowing for improved noise rejection in signals. The device operates with a supply voltage range of 2.7V to 5.25V, making it versatile for various power supply environments.
Key features include a built-in programmable gain amplifier (PGA), multiple input channels, and a low-power mode, which is crucial for battery-operated devices. The ADS8345NB also provides a compatible serial interface (SPI) for easy integration with microcontrollers and digital signal processors. Its low total harmonic distortion (THD) and high signal-to-noise ratio (SNR) make it suitable for applications such as industrial automation, medical instrumentation, and data acquisition systems. Overall, the ADS8345NB stands out for its precision, flexibility, and ease-of-use in demanding measurement environments.
Key features include a built-in programmable gain amplifier (PGA), multiple input channels, and a low-power mode, which is crucial for battery-operated devices. The ADS8345NB also provides a compatible serial interface (SPI) for easy integration with microcontrollers and digital signal processors. Its low total harmonic distortion (THD) and high signal-to-noise ratio (SNR) make it suitable for applications such as industrial automation, medical instrumentation, and data acquisition systems. Overall, the ADS8345NB stands out for its precision, flexibility, and ease-of-use in demanding measurement environments.
Equivalent
Equivalent products to the ADS8345NB chip include the MCP3425, LTC2440, and AD7793. These alternatives provide similar 16-bit resolution and features in analog-to-digital conversion, though specifications may vary. When considering replacements, check for parameters like sample rate, input voltage range, and interface compatibility to ensure proper functionality in your application.
Features
The ADS8345NB is a 16-bit analog-to-digital converter (ADC) designed for high-performance applications. Key features include:
1. Resolution: 16-bit conversion providing high accuracy and precision.
2. Sampling Rate: Up to 100 kSPS (kilo-samples per second), suitable for various data acquisition needs.
3. Input Range: Configurable input range supporting bipolar and unipolar signals.
4. Low Noise: Excellent signal-to-noise ratio (SNR) for improved measurement fidelity.
5. SPI Interface: Serial Peripheral Interface (SPI) for easy communication with microcontrollers and processors.
6. Reference Voltage: Internal and external reference options for flexible design integration.
7. Power Supply: Operates from a single supply voltage, enhancing ease of use in battery-powered applications.
8. Power Consumption: Low power operation for energy-efficient designs.
9. Package Options: Available in various package sizes for space-constrained applications.
These features make the ADS8345NB suitable for industrial, medical, and consumer applications requiring reliable and accurate data conversion.
1. Resolution: 16-bit conversion providing high accuracy and precision.
2. Sampling Rate: Up to 100 kSPS (kilo-samples per second), suitable for various data acquisition needs.
3. Input Range: Configurable input range supporting bipolar and unipolar signals.
4. Low Noise: Excellent signal-to-noise ratio (SNR) for improved measurement fidelity.
5. SPI Interface: Serial Peripheral Interface (SPI) for easy communication with microcontrollers and processors.
6. Reference Voltage: Internal and external reference options for flexible design integration.
7. Power Supply: Operates from a single supply voltage, enhancing ease of use in battery-powered applications.
8. Power Consumption: Low power operation for energy-efficient designs.
9. Package Options: Available in various package sizes for space-constrained applications.
These features make the ADS8345NB suitable for industrial, medical, and consumer applications requiring reliable and accurate data conversion.
Pinout
The ADS8345NB is a 16-bit, 4-channel analog-to-digital converter (ADC) from Texas Instruments. It features a 28-pin TSSOP package.
### Pin Count and Functions:
1. VREF: Reference voltage input.
2. AGND: Analog ground.
3. AVDD: Analog supply voltage.
4. DVDD: Digital supply voltage.
5. SCK: Serial clock input.
6. DIN: Data input line for serial communication.
7. DOUT: Data output line for serial communication.
8. CS: Chip select input.
9. BUSY: Indicates conversion status.
10. CONVST: Conversion start input.
11. GPIO: General-purpose input/output pins (varies by configuration).
The other pins are primarily for configuration and grounding. Features include low power consumption, high-speed conversion, and built-in diagnostics. The ADC is suited for various applications, including industrial automation and data acquisition systems.
### Pin Count and Functions:
1. VREF: Reference voltage input.
2. AGND: Analog ground.
3. AVDD: Analog supply voltage.
4. DVDD: Digital supply voltage.
5. SCK: Serial clock input.
6. DIN: Data input line for serial communication.
7. DOUT: Data output line for serial communication.
8. CS: Chip select input.
9. BUSY: Indicates conversion status.
10. CONVST: Conversion start input.
11. GPIO: General-purpose input/output pins (varies by configuration).
The other pins are primarily for configuration and grounding. Features include low power consumption, high-speed conversion, and built-in diagnostics. The ADC is suited for various applications, including industrial automation and data acquisition systems.
Manufacturer
The ADS8345NB is manufactured by Texas Instruments (TI), a well-established American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits (ICs), including analog, embedded processing, and digital signal processing products. Founded in 1930, TI is recognized for its innovation in the electronics industry and serves a wide range of markets, including automotive, industrial, communications, and consumer electronics. The ADS8345NB itself is a 16-bit analog-to-digital converter (ADC) that is widely used in applications requiring high precision and speed, such as data acquisition systems and medical devices. TI's extensive product portfolio and commitment to research and development make it a leading player in the semiconductor industry.
Application
The ADS8345NB is a high-resolution, low-power analog-to-digital converter (ADC) suitable for various applications, including:
1. Industrial Automation: Monitoring and control systems.
2. Medical Devices: Data acquisition in diagnostic equipment.
3. Instrumentation: Precision measurement in labs and research.
4. Data Acquisition Systems: Collecting and processing signals from sensors.
5. Communications: Converting analog signals in wireless and wired systems.
6. Consumer Electronics: Audio and video processing applications.
7. Automotive: Sensor interfacing and monitoring systems.
Its high accuracy and low noise make it ideal for applications requiring precise measurements.
1. Industrial Automation: Monitoring and control systems.
2. Medical Devices: Data acquisition in diagnostic equipment.
3. Instrumentation: Precision measurement in labs and research.
4. Data Acquisition Systems: Collecting and processing signals from sensors.
5. Communications: Converting analog signals in wireless and wired systems.
6. Consumer Electronics: Audio and video processing applications.
7. Automotive: Sensor interfacing and monitoring systems.
Its high accuracy and low noise make it ideal for applications requiring precise measurements.
Package
The ADS8345NB is available in a 28-pin TQFP (Thin Quad Flat Package) form factor, which provides a compact and low-profile solution for integrating the device into electronic systems.
