Overview
The PCF8591T/2,512 is a single-chip, single-supply low-power 8-bit CMOS data acquisition device produced by NXP USA Inc. This device integrates four analog inputs, one analog output, and a serial I²C-bus interface, making it versatile for various data acquisition and control applications. It operates on a single supply voltage ranging from 2.5 V to 6.0 V and is designed for low power consumption, making it suitable for battery-powered devices and other power-sensitive applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | 2.5 | 6.0 | V | ||
| Supply Current (IDD) - Standby | VI = VSS or VDD; no load | 1 | 15 | μA | |
| Supply Current (IDD) - Operating | fSCL = 100 kHz; AOUT off | 125 | 250 | μA | |
| Supply Current (IDD) - Operating | fSCL = 100 kHz; AOUT active | 0.45 | 1.0 | mA | |
| Power-on Reset Voltage (VPOR) | 0.8 | 2.0 | V | ||
| Ambient Temperature (Tamb) | Operating | -40 | 85 | °C | |
| Storage Temperature (Tstg) | -65 | 150 | °C |
Key Features
- Single power supply operation from 2.5 V to 6.0 V.
- Four analog inputs and one analog output.
- 8-bit analog-to-digital (A/D) and digital-to-analog (D/A) conversion.
- Serial I²C-bus interface with three address pins (A0, A1, A2) allowing up to eight devices on the same bus.
- On-chip track and hold function.
- Analog input multiplexing.
- Low power consumption.
- Available in SO16 plastic small outline package; 16 leads; body width 7.5 mm.
Applications
- Data acquisition systems.
- Industrial control systems.
- Medical devices.
- Automotive systems.
- Consumer electronics requiring analog-to-digital and digital-to-analog conversion.
- Battery-powered devices due to low power consumption.
Q & A
- What is the PCF8591T/2,512? The PCF8591T/2,512 is a single-chip, single-supply low-power 8-bit CMOS data acquisition device with four analog inputs, one analog output, and a serial I²C-bus interface.
- What is the operating voltage range of the PCF8591T/2,512? The device operates on a single supply voltage ranging from 2.5 V to 6.0 V.
- How many devices can be connected to the I²C-bus? Up to eight devices can be connected to the I²C-bus using the three address pins (A0, A1, A2).
- What types of conversions does the PCF8591T/2,512 support? The device supports 8-bit analog-to-digital (A/D) and digital-to-analog (D/A) conversion.
- What is the maximum ambient temperature for operation? The maximum ambient temperature for operation is 85°C.
- What is the storage temperature range for the device? The storage temperature range is from -65°C to 150°C.
- What package type is the PCF8591T/2,512 available in? The device is available in an SO16 plastic small outline package; 16 leads; body width 7.5 mm.
- What are some common applications of the PCF8591T/2,512? Common applications include data acquisition systems, industrial control systems, medical devices, automotive systems, and consumer electronics.
- Why is the PCF8591T/2,512 suitable for battery-powered devices? The device is suitable for battery-powered devices due to its low power consumption.
- How does the device handle analog input multiplexing? The device includes on-chip analog input multiplexing, allowing the selection of one of the analog input channels defined by the control register.
