Overview
The NCD9830DBR2G is an 8-bit, 8-channel analog-to-digital converter (ADC) produced by onsemi. This device is designed for low power consumption and high speed, making it suitable for a variety of applications requiring medium to high speed analog-to-digital conversion. The NCD9830 features a two-wire I2C serial interface for configuration and data transfer, allowing users to select channels, change measurement types (single-ended or differential), and modify the reference voltage. It operates with supply voltages of 2.7 V and 5 V, and can be configured with either an internal 2.5 V reference voltage or an external reference voltage up to 5 V.
Key Specifications
| Parameter | Unit | Typical | Maximum | Minimum |
|---|---|---|---|---|
| Resolution | Bits | 8 | - | - |
| Number of Channels | - | 8 | - | - |
| Supply Voltage | V | 2.7, 5 | 5.5 | 2.5 |
| Internal Reference Voltage | V | 2.5 | 2.525 | 2.475 |
| Signal-to-Noise Ratio (SNR) | dB | -72 | - | - |
| Signal-to-(Noise+Distortion) Ratio (SINAD) | dB | 50 | - | - |
| Spurious Free Dynamic Range (SFDR) | dB | 49 | - | - |
| Channel to Channel Isolation | dB | 90 | - | - |
| Throughput Frequency (High Speed Mode) | kSPS | 70 | - | - |
| Quiescent Current (Internal Reference ON) | μA | 850 | - | - |
| Package Type | - | TSSOP-16 | - | - |
Key Features
- Low Power Consumption: Optimized for low power consumption, making it suitable for battery-powered devices and energy-efficient applications.
- High Speed Conversion: Supports high speed mode with a throughput frequency of up to 70 kSPS, and fast and standard modes for different application needs.
- Flexible Reference Voltage: Can be configured with either an internal 2.5 V reference voltage or an external reference voltage up to 5 V.
- I2C Serial Interface: Compatible with industry-standard I2C protocols, allowing for easy configuration and data transfer.
- Single-Ended and Differential Measurements: Each channel can be configured for single-ended or differential type measurements.
- High Noise Immunity: 8-bit resolution ensures high noise immunity and fast digitization.
Applications
- Industrial Automation: Suitable for monitoring various analog inputs in industrial control systems.
- Medical Devices: Can be used in medical devices requiring precise and fast analog-to-digital conversion.
- Consumer Electronics: Ideal for applications in consumer electronics where low power and high speed are critical.
- Automotive Systems: Applicable in automotive systems for sensor data acquisition and monitoring.
- IoT Devices: Suitable for Internet of Things (IoT) devices that require efficient and accurate analog-to-digital conversion.
Q & A
- What is the resolution of the NCD9830DBR2G ADC?
The NCD9830DBR2G has an 8-bit resolution.
- How many channels does the NCD9830DBR2G support?
The NCD9830DBR2G supports 8 channels.
- What are the supported supply voltages for the NCD9830DBR2G?
The device operates with supply voltages of 2.7 V and 5 V.
- What is the internal reference voltage of the NCD9830DBR2G?
The internal reference voltage is 2.5 V.
- What is the maximum throughput frequency of the NCD9830DBR2G in high speed mode?
The maximum throughput frequency in high speed mode is 70 kSPS.
- What type of serial interface does the NCD9830DBR2G use?
The device uses an I2C serial interface.
- Can the NCD9830DBR2G be configured for single-ended or differential measurements?
Yes, each channel can be configured for either single-ended or differential type measurements.
- What is the quiescent current of the NCD9830DBR2G with the internal reference ON?
The quiescent current with the internal reference ON is 850 μA.
- What is the package type of the NCD9830DBR2G?
The package type is TSSOP-16.
- What are some typical applications of the NCD9830DBR2G?
Typical applications include industrial automation, medical devices, consumer electronics, automotive systems, and IoT devices.
