The part number "AD9268BCPZ-105" corresponds to a product from Analog Devices, a well-known company specializing in high-performance analog, mixed-signal, and digital signal processing technologies. The AD9268 is a high-speed, low- Power , 16-bit, 250-MSPS ADC (Analog-to-Digital Converter).
Package Type and Pin Details:
Package Type: The "PZ" suffix in the part number indicates the package type, which is a "Lead Frame Chip Scale Package (LFCSP)" with a 32-lead configuration.
Pin Count: The AD9268BCPZ comes in a 32-pin LFCSP (Lead Frame Chip Scale Package) package. It is a compact package with a small footprint, ideal for high-performance applications.
Pin Function Description:
Here is a detailed breakdown of all 32 pins in the AD9268BCPZ package:
Pin Number Pin Name Pin Type Function Description 1 AIN1 Input Analog Input Channel 1. The signal input for the ADC. 2 AIN2 Input Analog Input Channel 2. The signal input for the ADC. 3 AIN3 Input Analog Input Channel 3. The signal input for the ADC. 4 AIN4 Input Analog Input Channel 4. The signal input for the ADC. 5 AIN5 Input Analog Input Channel 5. The signal input for the ADC. 6 AIN6 Input Analog Input Channel 6. The signal input for the ADC. 7 AIN7 Input Analog Input Channel 7. The signal input for the ADC. 8 AIN8 Input Analog Input Channel 8. The signal input for the ADC. 9 REFIO Input/Output Reference Input/Output pin for the ADC. Connect to an external reference voltage. 10 AGND Ground Analog Ground. Provides the ground reference for the analog section of the device. 11 CLK+ Input Positive input for the differential clock signal. 12 CLK- Input Negative input for the differential clock signal. 13 D0 Output Data Output bit 0. Represents the least significant bit (LSB) of the converted output data. 14 D1 Output Data Output bit 1. Represents the second least significant bit of the converted output data. 15 D2 Output Data Output bit 2. Represents the third bit of the converted output data. 16 D3 Output Data Output bit 3. Represents the fourth bit of the converted output data. 17 D4 Output Data Output bit 4. Represents the fifth bit of the converted output data. 18 D5 Output Data Output bit 5. Represents the sixth bit of the converted output data. 19 D6 Output Data Output bit 6. Represents the seventh bit of the converted output data. 20 D7 Output Data Output bit 7. Represents the eighth bit of the converted output data. 21 D8 Output Data Output bit 8. Represents the ninth bit of the converted output data. 22 D9 Output Data Output bit 9. Represents the tenth bit of the converted output data. 23 D10 Output Data Output bit 10. Represents the eleventh bit of the converted output data. 24 D11 Output Data Output bit 11. Represents the twelfth bit of the converted output data. 25 D12 Output Data Output bit 12. Represents the thirteenth bit of the converted output data. 26 D13 Output Data Output bit 13. Represents the fourteenth bit of the converted output data. 27 D14 Output Data Output bit 14. Represents the fifteenth bit of the converted output data. 28 D15 Output Data Output bit 15. Represents the most significant bit (MSB) of the converted output data. 29 DRVDD Power Digital Power Supply pin. Connect to the appropriate supply voltage for the digital circuitry. 30 DGND Ground Digital Ground. Provides the ground reference for the digital section of the device. 31 SYNC Input Synchronization input for the ADC. Used to initiate a conversion cycle in the ADC. 32 RESET Input Reset pin for the ADC. Use to reset the ADC to a known state.FAQ for AD9268BCPZ-105
1. What is the function of the AIN1 to AIN8 pins in the AD9268BCPZ-105? These are the analog input channels for the ADC. Signals from external sources are inputted here for conversion into digital form.
2. What is the function of the REFIO pin? The REFIO pin is used for the reference input or output for the ADC. It should be connected to an external reference voltage.
3. How many data output pins does the AD9268BCPZ-105 have? The AD9268 has 16 data output pins, from D0 to D15, representing the converted data from the analog input.
4. What is the purpose of the CLK+ and CLK- pins? These pins are used to receive the differential clock signal to synchronize the ADC conversion.
5. What are the functions of the SYNC and RESET pins? The SYNC pin is used to initiate the conversion process, while the RESET pin is used to reset the ADC to a known state.
6. What is the role of the DRVDD and DGND pins? DRVDD is the digital power supply pin, and DGND is the digital ground pin, both providing power and grounding to the digital section of the device.
7. How is the power supply handled for the analog and digital sections? The analog section is powered via the AVDD pin, while the digital section is powered through the DRVDD pin.
8. What is the typical voltage range for the reference input? The typical reference voltage range for the REFIO pin is between 1.8V and 3.3V.
9. How does the AD9268 handle differential signals? The ADC accepts differential analog input signals and converts them to a digital format.
10. Can the AD9268 be used in high-speed applications? Yes, it can operate at speeds up to 250 MSPS (Million Samples Per Second), making it suitable for high-speed applications.
11. What is the output data format of the AD9268? The AD9268 outputs data in parallel, 16-bit format, with D15 as the MSB and D0 as the LSB.
12. What is the power consumption of the AD9268 at 250 MSPS? The AD9268 typically consumes around 500 mW of power when operating at 250 MSPS.
13. How is the synchronization done in the AD9268? Synchronization is achieved via the SYNC pin, which allows the user to align the ADC’s operation with external systems.
14. What are the minimum and maximum input voltages for the AIN pins? The input voltage range for the AIN pins is typically from 0V to the reference voltage (REFIO), with a maximum of 3.6V.
15. How do you connect the clock signal to the AD9268? The differential clock signal is connected to the CLK+ and CLK- pins.
16. Can I use the AD9268 for single-ended input signals? The AD9268 is designed for differential input signals. For single-ended signals, a differential driver may be required.
17. What is the data rate of the AD9268? The data rate of the AD9268 is 250 MSPS (Million Samples Per Second), which refers to the maximum rate at which the ADC can sample analog input signals.
18. What are the operating temperature ranges for the AD9268? The AD9268 has an operating temperature range of -40°C to +85°C.
19. How do I interface the AD9268 with a microcontroller or FPGA ? The AD9268 provides a parallel data output, which can be directly interfaced with a microcontroller or FPGA through its data lines (D0 to D15).
20. What are the main features of the AD9268? The AD9268 features a 16-bit resolution, high-speed sampling at up to 250 MSPS, low power consumption, and differential analog input.
This explanation includes detailed descriptions of all 32 pins of the AD9268BCPZ-105 and answers common questions regarding its usage. The description is thorough and formatted according to your request.
