SBASAI6 September 2023 ADC32RF52
PRODUCTION DATA
PIN | TYPE | DESCRIPTION | |
---|---|---|---|
NAME | NO. | ||
Analog Inputs | |||
INA1P | 14 | I | Differential analog input for channel A. 100 Ω (default) or 50 Ω differential internal termination. |
INA1M | 15 | ||
INA2P | 18 | I | Differential analog input for alternate channel A input. This input is used for additional ADC averaging for channel A. 100 Ω (default) or 50 Ω differential internal termination. Should be connected to GND if unused. |
INA2M | 19 | ||
INB1P | 35 | I | Differential analog input for channel B. 100 Ω (default) or 50 Ω differential internal termination. |
INB1M | 34 | ||
INB2P | 31 | I | Differential analog input for alternate channel B input. This input is used for additional ADC averaging for channel B. 100 Ω (default) or 50 Ω differential internal termination. Should be connected to GND if unused. |
INB2M | 30 | ||
VCM | 26 | O | Common-mode voltage output for the analog inputs. |
Clock, Synchronization | |||
CLKP | 23 | I | Differential sampling clock input. 100 Ω differential internal termination. |
CLKM | 24 | ||
SYSREFP | 27 | I | Differential external synchronization input. |
SYSREFM | 28 | ||
Control | |||
RESETb | 11 | I | Hardware reset. Active low. This pin has an internal 21 kΩ pullup resistor to AVDD18. |
SEN | 57 | I | Serial interface enable. Active low. This pin has an internal 21 kΩ pull-up resistor to AVDD18. |
SCLK | 55 | I | Serial interface clock input. This pin has an internal 21 kΩ pull-down resistor. |
SDIO | 56 | I/O | Serial interface data input and output. This pin has an internal 21 kΩ pull-down resistor. |
GPIO1 | 39 | I | GPIO control pin. This pin is configured through SPI interface for power down or NCO control function. |
GPIO2 | 38 | I | GPIO control pin. This pin is configured through SPI interface for power down or NCO control function. |
SPISEL | 10 | I | Determines SPI control: either normal SPI for register writes or fast access to NCO selection only for fast frequency hopping. |
Digital Data Interface | |||
DOUT0P | 4 | O | JESD204B high-speed serial data output interface pins for channel A. |
DOUT0M | 5 | ||
DOUT1P | 1 | ||
DOUT1M | 2 | ||
DOUT2P | 63 | ||
DOUT2M | 64 | ||
DOUT3P | 60 | ||
DOUT3M | 61 | ||
DOUT4P | 45 | O | JESD204B high-speed serial data output interface pins for channel B. |
DOUT4M | 44 | ||
DOUT5P | 48 | ||
DOUT5M | 47 | ||
DOUT6P | 50 | ||
DOUT6M | 49 | ||
DOUT7P | 53 | ||
DOUT7M | 52 | ||
Power Supply | |||
AVDD18 | 17,20,29,32, 58 | I | Analog 1.8-V power supply |
AVDD12 | 13,16,21,33, 36 | I | Analog 1.2-V power supply |
CLKVDD | 25 | I | Clock 1.2-V power supply. Very sensitive to power supply noise. Directly impacts close in aperture phase noise. |
DVDD | 3,7,9,40,42, 46,54,59 | I | Digital 1.2-V power supply |
AGND | 12,37 | I | Analog ground, shorted to thermal pad. |
CLKGND | 22 | I | Clock ground. |
DGND | 6,8,41,43,51,62 | I | Digital ground. |