規格
| 屬性 | 價值 |
| Package / Case | Bulk,Tube |
| Part Status | Active |
| Number of Bits | 16 |
| Sampling Rate(Per Second) | 100k |
| Number of Inputs | 1 |
| Input Type | Single Ended |
| Data Interface | SPI, DSP |
| Configuration | S/H-ADC |
| Ratio - S / H: ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 5V |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 20-SOIC |
概述
Description
The ADS7809U is a 16-bit, monolithic analog-to-digital converter (ADC) with a parallel interface, produced by Texas Instruments. It is designed for precision data acquisition systems and provides high accuracy and performance. The ADC operates on a single 5V power supply and features a sampling rate of up to 100 kSPS (kilo-samples per second).
Key features of the ADS7809U include low power consumption, typically around 15 mW, and a wide input range, supporting both unipolar and bipolar signals. The device also integrates a sample-and-hold amplifier, which helps in maintaining signal integrity during conversion.
The ADS7809U offers a no-missing-codes performance over its full operating temperature range, ensuring reliable and stable output. It supports a parallel data output interface, enabling easy integration with microcontrollers and digital signal processors (DSPs).
Due to its precision, speed, and ease of use, the ADS7809U is suitable for applications such as industrial process control, medical equipment, and instrumentation systems where accurate and fast analog-to-digital conversion is required.
Key features of the ADS7809U include low power consumption, typically around 15 mW, and a wide input range, supporting both unipolar and bipolar signals. The device also integrates a sample-and-hold amplifier, which helps in maintaining signal integrity during conversion.
The ADS7809U offers a no-missing-codes performance over its full operating temperature range, ensuring reliable and stable output. It supports a parallel data output interface, enabling easy integration with microcontrollers and digital signal processors (DSPs).
Due to its precision, speed, and ease of use, the ADS7809U is suitable for applications such as industrial process control, medical equipment, and instrumentation systems where accurate and fast analog-to-digital conversion is required.
Equivalent
The ADS7809U is a 16-bit, 10 kHz analog-to-digital converter (ADC). Equivalent products include:
1. AD7680 by Analog Devices: 16-bit, low-power, 100 kSPS PulSAR ADC.
2. MAX1169 by Maxim Integrated: 16-bit, low-power, SAR ADC.
3. MCP33151-02 by Microchip Technology: 16-bit, 500 ksps SAR ADC.
4. LTC1864 by Linear Technology: 16-bit, 250 ksps ADC.
These alternatives offer similar specifications and can be considered based on specific application needs.
1. AD7680 by Analog Devices: 16-bit, low-power, 100 kSPS PulSAR ADC.
2. MAX1169 by Maxim Integrated: 16-bit, low-power, SAR ADC.
3. MCP33151-02 by Microchip Technology: 16-bit, 500 ksps SAR ADC.
4. LTC1864 by Linear Technology: 16-bit, 250 ksps ADC.
These alternatives offer similar specifications and can be considered based on specific application needs.
Features
The ADS7809U is a precision 16-bit analog-to-digital converter (ADC) from Texas Instruments. It features a sampling rate of up to 100 kSPS (kilosamples per second), making it suitable for a variety of high-speed applications. The device operates with a single 5V supply and includes a built-in track-and-hold amplifier. It offers a high level of accuracy with a ±0.5 LSB maximum INL (Integral Non-Linearity) and DNL (Differential Non-Linearity).
The ADS7809U supports both serial and parallel data output formats, providing flexibility in interfacing with microcontrollers or DSPs. It also has an input range of ±10V, making it versatile for different signal types. The device is housed in a 28-pin SOIC package, which is compact and suitable for space-constrained designs. Moreover, it includes a low-power mode to enhance energy efficiency in battery-powered systems. Overall, the ADS7809U is ideal for applications requiring precise and fast analog-to-digital conversion, such as data acquisition systems, industrial controls, and medical devices.
The ADS7809U supports both serial and parallel data output formats, providing flexibility in interfacing with microcontrollers or DSPs. It also has an input range of ±10V, making it versatile for different signal types. The device is housed in a 28-pin SOIC package, which is compact and suitable for space-constrained designs. Moreover, it includes a low-power mode to enhance energy efficiency in battery-powered systems. Overall, the ADS7809U is ideal for applications requiring precise and fast analog-to-digital conversion, such as data acquisition systems, industrial controls, and medical devices.
Pinout
The ADS7809U is a precision analog-to-digital converter (ADC) with a 20-pin configuration. It is designed for high-speed data acquisition applications, featuring a 16-bit resolution. The function of each pin is typically as follows:
1. VANA - Analog supply voltage.
2. AGND - Analog ground.
3. VREF - Reference voltage input/output.
4. CAP - Reference buffer capacitor.
5. +IN - Positive analog input.
6. -IN - Negative analog input.
7. +VBD - Digital supply voltage.
8. DGND - Digital ground.
9. BYTE - Byte mode select.
10. CS - Chip select.
11. R/C - Read/convert input.
12. BUSY - Busy output.
13. DATA - Digital output data.
14. DATA4 - Digital output data.
15. DATA5-8 - Digital output data.
16. DATA9-12 - Digital output data.
17. DATA13-16 - Digital output data.
18. DOUT - Serial data output.
19. SCLK - Serial clock input.
20. SDATA - Serial data input.
This pinout allows for versatile interfacing with microprocessors and DSPs, providing efficient and precise data conversion for various applications.
1. VANA - Analog supply voltage.
2. AGND - Analog ground.
3. VREF - Reference voltage input/output.
4. CAP - Reference buffer capacitor.
5. +IN - Positive analog input.
6. -IN - Negative analog input.
7. +VBD - Digital supply voltage.
8. DGND - Digital ground.
9. BYTE - Byte mode select.
10. CS - Chip select.
11. R/C - Read/convert input.
12. BUSY - Busy output.
13. DATA - Digital output data.
14. DATA4 - Digital output data.
15. DATA5-8 - Digital output data.
16. DATA9-12 - Digital output data.
17. DATA13-16 - Digital output data.
18. DOUT - Serial data output.
19. SCLK - Serial clock input.
20. SDATA - Serial data input.
This pinout allows for versatile interfacing with microprocessors and DSPs, providing efficient and precise data conversion for various applications.
Manufacturer
The ADS7809U is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company headquartered in Dallas, Texas. It is known for developing a wide range of electronic components including analog chips and embedded processors, which are used in various electronics applications across industries like automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI's focus is on creating innovative technologies that make electronics work smarter, more efficiently, and with reduced power usage.
Application
The ADS7809U is a precision analog-to-digital converter (ADC) used in various applications that require accurate and efficient signal conversion. Key areas include industrial automation, where it aids in monitoring and control systems, and medical instrumentation, providing precise data acquisition for diagnostic equipment. It is utilized in test and measurement devices for accurate data sampling and in telecommunications for signal processing tasks. Additionally, the ADS7809U is used in automotive systems for sensor data conversion and in consumer electronics for high-fidelity audio and video processing. Its versatility and precision make it suitable for any application requiring reliable digital conversion of analog signals.
Package
The ADS7809U is an analog-to-digital converter (ADC) and comes in a SOIC-28 package. SOIC stands for Small Outline Integrated Circuit, which is a surface-mounted package type.
