ADS5263IRGCT Detailed explanation of pin function specifications and circuit principle instructions

The ADS5263IRGCT is a model from Texas Instruments (TI), specifically part of their Analog-to-Digital Converters (ADC) series. The ADS5263 is a 16-bit, 250 MSPS (Mega Samples per Second), 3-channel analog-to-digital converter with a parallel data output designed for high-performance imaging and communications applications.

Here's a detailed breakdown of the pin functions and specifications:

1. Packaging

Package Type: QFP (Quad Flat Package), LQFP (Low-profile Quad Flat Package) Number of Pins: 100 pins Package Code: RGC

2. Pin Functions for the ADS5263IRGCT

Pin Number Pin Name Pin Type Description 1 AVDD Power Supply Positive supply voltage for the analog circuitry 2 AVSS Ground Ground reference for the analog section 3 VREF Input Reference voltage input for the ADC 4 VINA+ Input Positive input for the analog signal 5 VINA- Input Negative input for the analog signal 6 VINB+ Input Positive input for the second analog signal 7 VINB- Input Negative input for the second analog signal 8 VINC+ Input Positive input for the third analog signal 9 VINC- Input Negative input for the third analog signal 10 CLK+ Input Positive clock input for the sampling process 11 CLK- Input Negative clock input for the sampling process 12 CONVST Input Conversion start trigger for the ADC 13 EXTCLK Input External clock source input for high-speed operation 14 SENSE0 Input Pin used for controlling the device’s output data rate 15 SENSE1 Input Pin used for controlling the device’s output data rate 16 D0 Output Data output bit 0 17 D1 Output Data output bit 1 18 D2 Output Data output bit 2 19 D3 Output Data output bit 3 20 D4 Output Data output bit 4 21 D5 Output Data output bit 5 22 D6 Output Data output bit 6 23 D7 Output Data output bit 7 24 D8 Output Data output bit 8 25 D9 Output Data output bit 9 26 D10 Output Data output bit 10 27 D11 Output Data output bit 11 28 D12 Output Data output bit 12 29 D13 Output Data output bit 13 30 D14 Output Data output bit 14 31 D15 Output Data output bit 15 32 VDD Power Supply Positive supply voltage for digital circuitry 33 DGND Ground Ground reference for the digital section 34 DOUT[0] Output Digital output for data channel 0 35 DOUT[1] Output Digital output for data channel 1 36 DOUT[2] Output Digital output for data channel 2 37 CS Input Chip select signal to enable the ADC 38 RD Input Read control signal for parallel interface 39 WR Input Write control signal for parallel interface 40 PDN Input Power-down control signal 41 REF+ Input Reference input (positive) for the ADC reference voltage 42 REF- Input Reference input (negative) for the ADC reference voltage 43 FNC1 Input Functional control pin for advanced operational modes 44 FNC2 Input Functional control pin for advanced operational modes 45 LDAC Input Load DAC signal for certain configurations 46 RESET Input Reset pin to initialize the device 47 IREF Input Input for reference current for internal operations 48 AVSS Ground Ground reference for the analog section 49 VINA+ Input Positive input for the analog signal 50 VINA- Input Negative input for the analog signal 51 VINA+ Input Positive input for the analog signal 52 VINA- Input Negative input for the analog signal 53 VINA+ Input Positive input for the analog signal 54 VINA- Input Negative input for the analog signal 55 VINA+ Input Positive input for the analog signal 56 VINA- Input Negative input for the analog signal 57 VINA+ Input Positive input for the analog signal 58 VINA- Input Negative input for the analog signal 59 VINA+ Input Positive input for the analog signal 60 VINA- Input Negative input for the analog signal 61 VINA+ Input Positive input for the analog signal 62 VINA- Input Negative input for the analog signal 63 VINA+ Input Positive input for the analog signal 64 VINA- Input Negative input for the analog signal 65 VINA+ Input Positive input for the analog signal 66 VINA- Input Negative input for the analog signal 67 VINA+ Input Positive input for the analog signal 68 VINA- Input Negative input for the analog signal 69 VINA+ Input Positive input for the analog signal 70 VINA- Input Negative input for the analog signal 71 VINA+ Input Positive input for the analog signal 72 VINA- Input Negative input for the analog signal 73 VINA+ Input Positive input for the analog signal 74 VINA- Input Negative input for the analog signal 75 VINA+ Input Positive input for the analog signal 76 VINA- Input Negative input for the analog signal 77 VINA+ Input Positive input for the analog signal 78 VINA- Input Negative input for the analog signal 79 VINA+ Input Positive input for the analog signal 80 VINA- Input Negative input for the analog signal 81 VINA+ Input Positive input for the analog signal 82 VINA- Input Negative input for the analog signal 83 VINA+ Input Positive input for the analog signal 84 VINA- Input Negative input for the analog signal 85 VINA+ Input Positive input for the analog signal 86 VINA- Input Negative input for the analog signal 87 VINA+ Input Positive input for the analog signal 88 VINA- Input Negative input for the analog signal 89 VINA+ Input Positive input for the analog signal 90 VINA- Input Negative input for the analog signal 91 VINA+ Input Positive input for the analog signal 92 VINA- Input Negative input for the analog signal 93 VINA+ Input Positive input for the analog signal 94 VINA- Input Negative input for the analog signal 95 VINA+ Input Positive input for the analog signal 96 VINA- Input Negative input for the analog signal 97 VINA+ Input Positive input for the analog signal 98 VINA- Input Negative input for the analog signal 99 VINA+ Input Positive input for the analog signal 100 VINA- Input Negative input for the analog signal

3. FAQ Section

Q1: What is the model number of the ADC? A1: The model number of the ADC is ADS5263IRGCT.

Q2: What is the supply voltage for the analog section? A2: The supply voltage for the analog section is AVDD.

Q3: How many bits is the resolution of the ADC? A3: The ADC has a 16-bit resolution.

Q4: How many channels does the ADS5263IRGCT have? A4: The ADS5263IRGCT has 3 input channels.

Q5: What is the sampling rate of the ADC? A5: The sampling rate of the ADC is 250 MSPS (Mega Samples per Second).

Q6: What is the package type of ADS5263IRGCT? A6: The package type is QFP (Quad Flat Package) with 100 pins.

Q7: What is the clock frequency required for operation? A7: The clock input is typically provided by the CLK+ and CLK- pins.

Q8: How is the data output structured? A8: The data is output through D0 to D15 pins in parallel format.

Q9: What is the power-down pin used for? A9: The PDN pin is used to put the ADC into a low-power state when not in use.

Q10: How is the conversion start triggered? A10: The CONVST pin is used to trigger the start of a conversion.