Evaluates: MAX97200A/MAX97200B 19-5156 Rev 0 2/10 MAX97200A Evaluation Kit General Description Features The MAX97200A evaluation kit (EV kit) is a fully S 1.8V Single-Supply Operation assembled and tested circuit board that evaluates the S 20mW Class G Headphone Amplifier MAX97200A. The MAX97200A is a 20mW Class G head- S 3dB Gain phone amplifier that employs Maxims second-generation M S Low-Quiescent Current, 1.15mA at PVIN = 1.8V DirectDrive technology. S Low-Power Shutdown Input The MAX97200A EV kit provides 3dB gain, is powered from a 1.8V single power supply, and includes a shut- S Evaluates the MAX97200B (with IC Replacement) down input. The MAX97200A EV kit also evaluates the S Fully Assembled and Tested MAX97200B. Request a free MAX97200B IC sample from the factory when ordering the MAX97200B EV kit. Ordering Information PART TYPE MAX97200AEVKIT+ EV Kit +Denotes lead(Pb)-free and RoHS compliant. Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION GND, OUTL, 10FF Q20%, 6.3V X5R OUTR, PVDD, 5 Test points ceramic capacitor (0603) C1 1 PVSS Murata GRM188R60J106M TDK C1608X5R0J106M J1 1 3.5mm stereo headphone jack JU1 1 2-pin header 0.1FF Q10%, 25V X7R R1 1 10kI Q5% resistor (0603) ceramic capacitor (0603) C2 1 Murata GRM188R71E104K Class G headphone amplifier TDK C1608X7R1E104K U1 1 (12 WLP) Maxim MAX97200AEWC+T 1FF Q10%, 10V X7R 1 Shunt ceramic capacitors (0603) C3C7 5 Murata GRM188R71C105K PCB MAX97200A 1 TDK C1608X7R1C105K EVALUATION KIT+ 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 MAX97200A when contacting these component suppliers. DirectDrive is a registered trademark of Maxim Integrated Products, 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.MAX97200A Evaluation Kit 7) Connect the left channel of the stereo audio source Quick Start to INL. Recommended Equipment 8) Connect the right channel of the stereo audio 1.8V DC supply source to INR. Stereo audio signal source 9) Connect the ground of the stereo audio source to Pair of stereo headphones GND. 10) Enable the stereo audio source. Procedure The MAX97200A EV kit is fully assembled and test- 11) Enable the power-supply output. ed. Follow the steps below to verify board operation. 12) Verify that the headphones are playing the audio Caution: Do not turn on the power supply until all source signal. connections are completed. 1) Verify that shunts are installed as follows: Jumper Configuration JU1: Installed (device enabled) Headphone Amplifier Shutdown 2) Set the power-supply output to 1.8V. Jumper JU1 enables or disables the headphone ampli- fier. See Table 1 for jumper JU1 configuration. 3) Disable the power-supply output. 4) Connect the power-supply ground to the GND pad Table 1. Shutdown Input (JU1) and the power-supply positive output to the VIN pad on the EV kit. SHUNT POSITION AMPLIFIER SHDN PIN 5) Connect the headphones to the stereo headphone Installed* Connected to VIN Enabled jack (J1) provided on the EV kit. Not installed Connected to GND Disabled 6) Verify that the audio source output is disabled. *Default position. 2 Evaluates: MAX97200A/MAX97200B