AD7768-4BSTZ-RL7

Product Overview

Category

The AD7768-4BSTZ-RL7 belongs to the category of analog-to-digital converters (ADCs).

Use

This ADC is commonly used in various applications that require high-resolution and high-speed data conversion, such as industrial automation, medical equipment, and scientific instrumentation.

Characteristics

• High resolution: The AD7768-4BSTZ-RL7 offers a resolution of up to 24 bits, ensuring accurate and precise data conversion.
• High speed: With a maximum sampling rate of 256 kSPS (thousand samples per second), this ADC can handle fast-changing signals effectively.
• Low noise: The device incorporates advanced noise reduction techniques, resulting in low noise performance and improved signal integrity.
• Wide input voltage range: The ADC supports a wide input voltage range, allowing it to accommodate various signal levels.
• Low power consumption: The AD7768-4BSTZ-RL7 is designed to operate with low power consumption, making it suitable for battery-powered applications.
• Small package size: It comes in a compact package, enabling space-efficient designs.

Package and Quantity

The AD7768-4BSTZ-RL7 is available in a small form factor package, typically a 48-lead LQFP (Low-Profile Quad Flat Package). It is supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Resolution: Up to 24 bits
• Sampling Rate: Up to 256 kSPS
• Input Voltage Range: ±VREF
• Power Supply: 2.7 V to 5.25 V
• Operating Temperature Range: -40°C to +105°C
• Package Type: 48-lead LQFP

Detailed Pin Configuration

The AD7768-4BSTZ-RL7 features a 48-pin package with the following pin configuration:

1. VREFP
2. VREFN
3. AIN1(+) / AIN1(-)
4. AIN2(+) / AIN2(-)
5. AIN3(+) / AIN3(-)
6. AIN4(+) / AIN4(-)
7. AGND
8. DVDD
9. DGND
10. SCLK
11. SDI
12. SDO
13. CS
14. RESET
15. MCLK
16. DOUT/DRDY
17. GPIO1
18. GPIO2
19. GPIO3
20. GPIO4
21. GPIO5
22. GPIO6
23. GPIO7
24. GPIO8
25. GPIO9
26. GPIO10
27. GPIO11
28. GPIO12
29. GPIO13
30. GPIO14
31. GPIO15
32. GPIO16
33. GPIO17
34. GPIO18
35. GPIO19
36. GPIO20
37. GPIO21
38. GPIO22
39. GPIO23
40. GPIO24
41. GPIO25
42. GPIO26
43. GPIO27
44. GPIO28
45. GPIO29
46. GPIO30
47. GPIO31
48. GPIO32

Functional Features

The AD7768-4BSTZ-RL7 offers several functional features that enhance its performance and usability:

1. Programmable Gain Amplifier (PGA): The ADC includes a PGA that allows users to adjust the gain of the input signal, enabling precise signal conditioning.
2. Digital Filters: It incorporates digital filters to remove unwanted noise and improve the accuracy of the converted data.
3. Flexible Interface: The device supports various interface options, including SPI (Serial Peripheral Interface) and I2C (Inter-Integrated Circuit), providing compatibility with different microcontrollers and processors.
4. Power Management: The ADC includes power management features such as power-down modes and standby options to optimize power consumption.
5. Diagnostic Features: It incorporates built-in diagnostic functions that enable fault detection and monitoring of the ADC's performance.

Advantages and Disadvantages

Advantages

• High resolution and accuracy
• Fast sampling rate
• Low noise performance
• Wide input voltage range
• Low power consumption
• Compact package size

Disadvantages

• Limited number of GPIO pins
• Requires external components for operation

Working Principles

The AD7768-4BSTZ-RL7 operates based on the principle of analog-to-digital conversion. It converts continuous analog signals into discrete digital values using a combination of sample-and-hold circuitry, quantization, and digital signal processing techniques. The device employs a successive approximation register (SAR) architecture to achieve high-resolution conversion.

Detailed Application Field Plans

The AD7768-4BSTZ-RL7 finds applications in various