19-6330 Rev 0 5/12 MAX11205PMB1 Peripheral Module General Description Features The MAX11205PMB1 peripheral module provides the S 16-Bit Full-Scale Resolution necessary hardware to interface the MAX11205 16-bit S Internal System Clock ADC to any system that utilizes PmodK-compatible S 2-Wire Serial Interface expansion ports configurable for GPIO interface. The IC S On-Board Voltage Reference is an ultra-low-power (< 300FA max active current), high- (MAX6037, 2.5V Version) resolution, serial-output ADC. This device provides the highest resolution per unit power in the industry and is S Filtered Power Supply with Optional optimized for applications that require very high dynamic (Jumper-Selectable) Ultra-Low Noise LDO range with low power, such as sensors on a 4mA to S 6-Pin Pmod-Compatible Connector (GPIO) 20mA industrial control loop. The voltage reference for S Example Software Written in C for Portability the IC is supplied by a MAX6037 (2.5V) that is also on the module. The filtered power-supply voltage from the host S RoHS Compliant can be optionally passed (jumper selectable) through a S Proven PCB Layout MAX8510 ultra-low-noise LDO, allowing empirical evalua- S Fully Assembled and Tested tion of performance with different power sources. Refer to the MAX11205 IC data sheet for detailed informa- Ordering Information appears at end of data sheet. tion regarding operation of the IC. MAX11205PMB1 Peripheral Module Pmod is a trademark of Digilent Inc. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX11205PMB1 Peripheral Module Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION J1 1 6-pin right-angle male header 0.1FF Q10%, 16V X7R ceramic C1C5 5 capacitors (0603) JP1 1 3-pin straight male header Murata GRM188R71C104KA01D R1, R2 2 150I Q5% resistors (0603) R3, R4, R5 3 33I Q5% resistors (0603) 10FF Q10%, 10V X5R ceramic C6 1 capacitor (0603) Ultra-low-noise, high-PSRR linear TDK C2012X5R1A106K/1.25 U1 1 regulator (5 SC70) Maxim MAX8510EXK29+ 0.01FF Q10%, 16V X7R ceramic C7, C8 2 capacitors (0603) 16-bit delta-sigma ADC Murata GRM188R71C103KA01D M U2 1 (10 FMAX ) Maxim MAX11205AEUB+ 2.2FF Q10%, 10V X5R ceramic C9, C10 2 capacitors (0603) Low-power fixed reference TDK C1608X5R1A225K/0.80 U3 1 (5 SOT23) Maxim MAX6037AAUK25+ 4.7FF EMI filter (3-terminal F1 1 capacitor) 1 Shorting jumper Murata NFM21PC475B1A3D 1 PCB: EPCB11205PM1 Component Suppliers SUPPLIER PHONE WEBSITE Murata Electronics North America, Inc. 770-436-1300 www.murata-northamerica.com TDK Corp. 847-803-6100 www.component.tdk.com Note: Indicate that you are using the MAX11205PMB1 when contacting these component suppliers. Table 1. Connector J1 (2-Wire Communication) Detailed Description PIN SIGNAL DESCRIPTION 2-Wire Interface 1 N.C. Not connected The MAX11205PMB1 peripheral module interfaces with 2 N.C. Not connected a host using a 2-wire serial interface. When an ADC conversion is complete, the IC pulls the data line low. Data-ready output/serial-data output. The host must then supply a clock signal to shift out the This output serves a dual function. conversion data. More information on the 2-wire interface In addition to the serial-data output can be found the MAX11205 IC data sheet. 3 MISO function, the MISO pin also indicates that the data is ready when it is pulled Connector J1 provides connection of the module to the logic-low by the IC. Output data Pmod host. See Table 1. changes on the falling edge of SCLK. Jumper JP1 allows the user to select between two volt- ages for IC analog supply voltage (AVDD). This allows 2-wire serial clock. The host must apply 4 SCK an external clock signal to shift data the option of applying additional power-supply filtering out from the IC. based on the noise content of the incoming voltage source (connector J1) and the performance require- 5 GND Ground ments for the application. See Table 2. 6 VCC Power supply MAX is a registered trademark of Maxim Integrated Products, Inc. Maxim Integrated Products 2