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PCF8591T/2,518
+Lista de MateriaisIC ADC/DAC 8BIT 11.1K 16SO
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FabricanteNXP USA Inc.
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Peça do Fabricante #PCF8591T/2,518
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Ficha Técnica PCF8591T/2,518 DataSheet
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Pacote SOT162-1
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Em Estoque4863
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Type | ADC, DAC |
| Number of Channels | 4 |
| Resolution(Bits) | 8 b |
| Sampling Rate(Per Second) | 11.1k |
| Data Interface | I²C, Serial |
| Voltage Supply Source | Single Supply |
| Voltage - Supply | 2.5V ~ 6V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
### Key Features:
- 4 analog inputs (configurable as single-ended or differential).
- 8-bit resolution for both ADC and DAC.
- I²C interface (up to 100 kHz).
- On-chip track-and-hold for stable ADC readings.
- Low power consumption, suitable for battery-powered applications.
### Applications:
- Sensor interfacing (e.g., temperature, light).
- Analog signal generation (DAC).
- Industrial control systems.
The PCF8591T/2,518 is a cost-effective solution for basic analog I/O needs in embedded systems.
Equivalent
- ADS1115 (higher precision, 16-bit ADC)
- MCP3021 (10-bit ADC, I²C)
- MCP4725 (12-bit DAC, I²C)
- TLC1543 (10-bit ADC, SPI)
- MAX116xx/MAX117xx (multichannel ADCs)
For exact replacements, check PCF8591 variants from NXP or distributors. Confirm pinout and specs for compatibility.
Features
- 4-channel ADC: Single-ended or differential analog inputs.
- 1-channel DAC: 8-bit digital-to-analog conversion.
- I²C Interface: Simple serial communication (up to 100 kHz).
- On-Chip Tracking: Sample-and-hold for ADC.
- Low Power: Suitable for battery-powered applications.
- Wide Voltage Range: Operates at 2.5V–6V.
- Auto-Increment Mode: Simplifies multi-channel reading.
Compact and versatile, it’s ideal for sensor interfacing and control systems.
Pinout
### Pin Functions (Key Pins):
- AIN0-AIN3 (Pins 1-4): Analog inputs (4 channels).
- A0-A2 (Pins 5-7): I²C address selection.
- VSS (Pin 8): Ground.
- SDA, SCL (Pins 9-10): I²C data and clock lines.
- OSC (Pin 11): External clock input (optional).
- EXT (Pin 12): Internal/external clock selection.
- AGND (Pin 13): Analog ground.
- VREF (Pin 14): Reference voltage input.
- AOUT (Pin 15): Analog output (DAC).
- VDD (Pin 16): Supply voltage (2.5V–6V).
It provides 4-channel ADC (8-bit) and 1-channel DAC (8-bit), controlled via I²C.
Application
1. Sensor Interfacing – Analog signal conversion for temperature, light, or pressure sensors.
2. Industrial Control – Monitoring and controlling analog signals in automation systems.
3. Consumer Electronics – Volume control, brightness adjustment, and other analog functions.
4. Data Acquisition – Low-speed analog signal sampling in embedded systems.
5. Prototyping & Education – Simple ADC/DAC applications in DIY projects and learning environments.
Its compact design and I²C compatibility make it ideal for space-constrained and multi-device applications.
