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AD7291BCPZ-RL7
+BOMIC ADC 12BIT SAR 20LFCSP
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Nhà sản xuấtCông ty Analog Devices Inc.
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Ông. Phần #AD7291BCPZ-RL7
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Bảng dữ liệu AD7291BCPZ-RL7 DataSheet
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Gói WFQFN-20
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Number of Bits | 12 |
| Sampling Rate(Per Second) | 22.22k |
| Number of Inputs | 8 |
| Input Type | Single Ended |
| Data Interface | I²C |
| Configuration | MUX-S/H-ADC |
| Ratio - S / H: ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 2.8V ~ 3.6V |
| Voltage - Supply, Digital | 2.8V ~ 3.6V |
| Features | Selectable Address, Temperature Sensor |
| Operating Temperature | -40°C ~ 125°C |
| Supplier Device Package | 20-LFCSP (4x4) |
Tổng quan
Description
- Resolution: 12 bits
- Channels: 8 single-ended or 4 differential
- Sampling Rate: Up to 1 MSPS (aggregate)
- Temperature Sensor Accuracy: ±1°C (typical)
- Supply Voltage: 2.7V to 5.5V
- Package: 20-lead LFCSP (4mm × 4mm)
Ideal for battery monitoring, industrial control, and system diagnostics, it combines high performance with low power consumption (typ. 1.5mW at 3V). The RL7 suffix denotes a tape-and-reel packaging option.
For detailed specs, refer to the [datasheet](https://www.analog.com/media/en/technical-documentation/data-sheets/AD7291.pdf).
Equivalent
- AD7298: Similar 12-bit ADC with temp sensor and more channels.
- LTC2498: High-precision 24-bit ADC with temp monitoring.
- MAX11613: 12-bit ADC with I2C interface and temp sensor.
- MCP3421: Lower-cost 18-bit ADC (no temp sensor).
Check datasheets for exact compatibility in your application.
Features
- 12-bit SAR ADC: 8 multiplexed analog inputs, 1 MSPS throughput.
- Integrated Temp Sensor: ±2°C accuracy (max).
- 4 GPIOs: Configurable as inputs/outputs.
- On-Chip Reference: 2.5 V ±5 mV (typical).
- I²C Interface: Up to 400 kHz.
- Supply Voltage: 2.7 V to 5.5 V, low power (3.5 mW at 3.3 V).
- Package: 20-lead LFCSP (4 mm × 4 mm).
Ideal for industrial monitoring, battery management, and system control.
Pinout
- Pin Count: 20 pins (LFCSP package)
- Functions:
- 8 single-ended or 4 differential analog inputs (12-bit SAR ADC).
- On-chip temperature sensor (±1°C accuracy).
- Internal reference (2.5V) and external reference support.
- I²C-compatible interface for communication.
- 4 GPIO pins for digital control.
- Operating voltage: 2.7V to 5.5V.
It is designed for precision monitoring in industrial and automotive applications.
Manufacturer
Application
- Industrial Automation: Monitoring system temperatures and voltages.
- Power Management: Real-time voltage/current sensing in power supplies.
- Medical Devices: Precision data acquisition for diagnostics.
- Automotive Systems: Battery management and thermal monitoring.
- Consumer Electronics: Thermal protection in CPUs/GPUs.
Its integrated features suit applications requiring high accuracy, low power, and multi-channel sensing.
