MAX9700DETB+T Maxim Integrated Products, MAX9700DETB+T Datasheet
MAX9700DETB+T
Specifications of MAX9700DETB+T
Related parts for MAX9700DETB+T
MAX9700DETB+T Summary of contents
Page 1
... OSCILLATOR INPUT MAX9700 UCSP is a trademark of Maxim Integrated Products, Inc. µMAX is a registered trademark of Maxim Integrated Products, Inc. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 1.2W, Low-EMI, Filterless, Class D Audio Amplifier ♦ ...
Page 2
Low-EMI, Filterless, Class D Audio Amplifier ABSOLUTE MAXIMUM RATINGS V to GND.............................................................................. PGND .........................................................................6V DD GND to PGND .......................................................-0.3V to +0.3V All Other Pins to GND.................................-0. Continuous Current Into/Out of PV /PGND/OUT_........±600mA DD Continuous ...
Page 3
ELECTRICAL CHARACTERISTICS (continued 3.3V, V SHDN DD DD GND unless otherwise noted. Typical values are MIN MAX PARAMETER SYMBOL Signal-to-Noise Ratio Oscillator Frequency SYNC Frequency ...
Page 4
Low-EMI, Filterless, Class D Audio Amplifier (V = 3.3V, SYNC = GND (SSM +25°C, unless otherwise noted TOTAL HARMONIC DISTORTION PLUS NOISE vs. FREQUENCY + 8Ω L 0.1 P ...
Page 5
SYNC = GND (SSM +25°C, unless otherwise noted TOTAL HARMONIC DISTORTION PLUS NOISE vs. COMMON-MODE VOLTAGE 3. 8Ω 1kHz P = 300mW OUT DIFFERENTIAL ...
Page 6
Low-EMI, Filterless, Class D Audio Amplifier (V = 3.3V, SYNC = GND (SSM +25°C, unless otherwise noted GSM POWER-SUPPLY REJECTION V DD MAX9700 OUTPUT 2ms/div f = 217Hz INPUT LOW = 3V INPUT HIGH = ...
Page 7
SYNC = GND (SSM +25°C, unless otherwise noted SUPPLY CURRENT vs. SUPPLY VOLTAGE 6.0 5.5 5 +25°C A 4.5 4.0 3.5 3.0 2.5 3.0 3.5 SUPPLY VOLTAGE (V) 1μF 5 (B2) ...
Page 8
Low-EMI, Filterless, Class D Audio Amplifier PIN BUMP NAME TDFN/µMAX UCSP GND SHDN SYNC 7 B3 PGND 8 A4 OUT OUT ...
Page 9
V IN- V IN+ OUT- OUT+ t ON(MIN OUT+ OUT- Figure 1. MAX9700 Outputs with an Input Signal Applied Table 1. Operating Modes SYNC INPUT GND FFM with f = 1100kHz S UNCONNECTED FFM with f = ...
Page 10
... Idle Mode™ voltage across the speaker, minimizing power consumption. Efficiency of a class D amplifier is attributed to the region of operation of the output stage transistors Idle Mode is a trademark of Maxim Integrated Products. 10 ______________________________________________________________________________________ t t ...
Page 11
FREQUENCY (MHz) Figure 3. MAX9700 EMI Spectrum The MAX9700 has a shutdown mode that reduces power consumption and extends battery life. Driving SHDN ...
Page 12
Low-EMI, Filterless, Class D Audio Amplifier the power conversion of the class D amplifier. For exam- ple, an 8mV DC offset across an 8Ω load results in 1mA extra current consumption in a class AB device. In the class ...
Page 13
V DD 1μ MAX9700 IN+ RIGHT-CHANNEL DIFFERENTIAL AUDIO INPUT IN- SYNC 1μ MAX9700 IN+ LEFT-CHANNEL DIFFERENTIAL AUDIO INPUT IN- SYNC Figure 7. Master-Slave Stereo Configuration TOTAL HARMONIC DISTORTION PLUS NOISE vs. OUTPUT POWER 100 V = ...
Page 14
Low-EMI, Filterless, Class D Audio Amplifier One solution is the configuration shown in Figure 10b. The potentiometer is connected between the differential inputs, and these “see” identical RC paths when the device powers up. The variable resistive element appears ...
Page 15
V DD 0.1μF AUX_IN OUT 2.2kΩ OUT BIAS 2.2kΩ MAX4063 0.1μF IN+ IN- 0.1μF μCONTROLLER Pin Configurations (continued) TOP VIEW MAX9700 (BUMP SIDE DOWN SYNC OUT IN+ SHDN PGND PV B IN- GND OUT- ...
Page 16
Low-EMI, Filterless, Class D Audio Amplifier For the latest package outline information and land patterns www.maxim-ic.com/packages. PACKAGE TYPE 12 UCSP 10 TDFN-EP 10 µMAX 16 ______________________________________________________________________________________ Package Information PACKAGE CODE B12-11 T1033-1 U10-2 PACKAGE OUTLINE, 4x3 UCSP ...
Page 17
For the latest package outline information and land patterns www.maxim-ic.com/packages. ______________________________________________________________________________________ 1.2W, Low-EMI, Filterless, Class D Audio Amplifier Package Information (continued) 17 ...
Page 18
Low-EMI, Filterless, Class D Audio Amplifier For the latest package outline information and land patterns www.maxim-ic.com/packages. COMMON DIMENSIONS SYMBOL MIN. MAX. A 0.70 0.80 D 2.90 3.10 E 2.90 3.10 A1 0.00 0.05 L 0.20 0.40 k ...
Page 19
For the latest package outline information and land patterns www.maxim-ic.com/packages. ______________________________________________________________________________________ 1.2W, Low-EMI, Filterless, Class D Audio Amplifier Package Information (continued) α α 19 ...
Page 20
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 20 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2008 Maxim Integrated Products ...