Datasheet ADL5240 (Analog Devices) - 9

Data Sheet ADL5240 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS A K AT E L CL D L SE D0/ D1/ D2/ D3 D4 D5 D6 32 31 30 29 28 27 26 25 VDD 1 24 VDD PIN 1 NC 2 23 NC INDICATOR NC 3 22 NC DSAIN 4 ADL5240 21 DSAOUT NC 5 TOP VIEW 20 NC NC 6 (Not to Scale) 19 NC NC 7 18 NC NC 8 17 NC 9 1 10 1 12 13 14 15 16 N NC CC NC NC NC NC NC V/ MPI A UT O P AM NOTES
002
1. NC = NO CONNECT. DO NOT CONNECT TO THIS PIN. 2. THE EXPOSED PAD MUST BE CONNECTED TO GROUND.
09430- Figure 2. Pin Configuration
Table 3. Pin Function Descriptions Pin No. Mnemonic Description
1, 24 VDD Supply Voltage for DSA. Connect this pin to a 5 V supply. 2, 3, 5, 6, 7, 8, 9, 11, 12, NC No Connect. Do not connect to this pin. 13, 14, 16, 17, 18, 19, 20, 22, 23 4 DSAIN RF Input to DSA. 10 AMPOUT/VCC RF Output from Amplifier/Supply Voltage for Amplifier. A bias to the amplifier is provided through a choke inductor connected to this pin. 15 AMPIN RF Input to Amplifier. 21 DSAOUT RF Output from DSA. 25 D6 Data Bit in Parallel Mode (LSB). Connect this pin to the supply in serial mode. 26 D5 Data Bit in Parallel Mode. Connect this pin to ground or leave open in serial mode. 27 D4 Data Bit in Parallel Mode. Connect this pin to ground or leave open in serial mode. 28 D3 Data Bit in Parallel Mode. Connect this pin to ground or leave open in serial mode. 29 D2/LE Data Bit in Parallel Mode/Latch Enable in Serial Mode. 30 D1/DATA Data Bit in Parallel Mode (MSB)/Data in Serial Mode. 31 D0/CLK Connect this pin to ground in parallel mode. This pin functions as a clock in serial mode. 32 SEL Select Pin. Connect this pin to the supply to select parallel mode operation; connect this pin to ground to select serial mode operation. EPAD Exposed Pad. The exposed pad must be connected to ground. Rev. A | Page 9 of 28 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Applications Information Basic Layout Connections Amplifier Bias Digital Step Attenuator Bias Amplifier RF Input Interface Amplifier RF Output Interface DSA RF Input Interface DSA RF Output Interface DSA SPI Interface SPI Timing SPI Timing Sequence Loop Performance Amplifier Drive Level for Optimum ACLR Thermal Considerations Evaluation Board Outline Dimensions Ordering Guide