MAX9890EVKIT+ Maxim Integrated Products, MAX9890EVKIT+ Datasheet - Page 2

• Manufacturer Part Number: MAX9890EVKIT+
• Description: EVALUATION KIT FOR MAX9890
• Manufacturer: Maxim Integrated Products

Specifications of MAX9890EVKIT+

• Main Purpose: Audio, Audio Processing
• Embedded: No
• Utilized Ic / Part: MAX9890
• Primary Attributes: Click & Pop Eliminator
• Secondary Attributes: 2.7 V ~ 5.5 V Supply
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MAX9890 Evaluation Kit
Before beginning, the following equipment is needed:
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The MAX9890 is fully assembled and tested. Follow the
steps below to verify board operation:
1) Verify that jumper JU1 is in its default position, as
2) Connect headphones to J2.
3) Connect headphone amplifier output to J1.
4) Connect audio source to single-ended stereo head-
Figure 1. MAX9890 EV Kit Schematic
2
MAX9890 EV kit
5V DC power supply
Stereo audio source
Single-ended stereo headphone amplifier
Stereo headphones
shown in Table 1.
phone amplifier.
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Recommended Equipment
Quick Start
Procedure
5) Connect power supply between VCC and GND.
6) Enable audio source.
7) Enable headphone amplifier.
8) Verify that audio is passed to headphones without
The MAX9890 EV kit provides a proven layout for the
MAX9890.
Table 1. MAX9890 EV Kit Jumper
Descriptions
* Default position.
JUMPER
Detailed Description of Hardware
any audible clicks or pops.
JU1
POSITION
SHUNT
1-2*
2-3
SHDN = VCC, normal operation
SHDN = GND, shutdown mode
DESCRIPTION