Overview
The ADC128D818CIMTX/NOPB is a 12-bit, 8-channel analog-to-digital converter (ADC) system monitor produced by Texas Instruments. This device is designed for maximum flexibility and is particularly suited for various monitoring applications. It operates within a power supply voltage range of 3 V to 5.5 V and over a temperature range of –40°C to 125°C. The ADC128D818 is available in a 16-pin TSSOP package and features an onboard temperature sensor, WATCHDOG window comparators, and an interrupt output pin for easy monitoring and out-of-range alarms.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| ADC Resolution | 12-bit | |
| Supply Voltage Range | 3 V to 5.5 V | V |
| Operating Temperature Range | –40°C to 125°C | °C |
| Package Type | TSSOP-16 | |
| Internal Reference Voltage | 2.56 V | V |
| Temperature Accuracy (–25°C to 100°C) | ±2°C | °C |
| Temperature Accuracy (–40°C to 125°C) | ±3°C | °C |
| Operating Current | 0.56 mA (typical at V+ = 3.6 V) | mA |
| Deep Shutdown Current | 10 µA | µA |
| I2C Interface Speed | Standard Mode (100 kbps), Fast Mode (400 kbps) |
Key Features
- Configurable single-ended and/or pseudo-differential inputs
- Onboard temperature sensor with high accuracy
- WATCHDOG window comparators with status and mask registers
- Independent registers for storing measured values
- I2C serial bus interface with 9 selectable addresses
- TIME-OUT reset function to prevent I2C bus lock-up
- Individual channel shutdown to limit power consumption
- Deep shutdown mode to minimize power consumption
- Analog filter on I2C digital control lines for improved noise immunity
Applications
- Local temperature sensing
- Communications infrastructure
- Thermal and hardware server monitors
- System monitors
- Industrial and medical systems
- Electronic test equipment and instrumentation
- Power supply monitoring and supervision
Q & A
- What is the ADC resolution of the ADC128D818?
The ADC128D818 has a 12-bit resolution. - What is the operating temperature range of the ADC128D818?
The device operates over a temperature range of –40°C to 125°C. - What types of inputs can the ADC128D818 support?
The ADC128D818 can support both single-ended and pseudo-differential inputs. - What is the internal reference voltage of the ADC128D818?
The internal reference voltage is 2.56 V. - Does the ADC128D818 have a temperature sensor?
Yes, the ADC128D818 includes an onboard temperature sensor. - What is the typical operating current of the ADC128D818?
The typical operating current is 0.56 mA at V+ = 3.6 V. - What is the deep shutdown current of the ADC128D818?
The deep shutdown current is 10 µA. - What I2C interface speeds does the ADC128D818 support?
The device supports both Standard Mode (100 kbps) and Fast Mode (400 kbps) I2C interfaces. - Can the ADC128D818 be configured for multiple addresses on the I2C bus?
Yes, the ADC128D818 allows for 9 selectable addresses on the I2C bus. - What is the package type of the ADC128D818?
The device is available in a 16-pin TSSOP package.
