Analog Devices SSM2319 Скачать руководство пользователя страница 3

Страница: 3 / 21

SSM2319

Rev. 0 | Page 2 of 20

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications ....................................................................................... 1

General Description ......................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 2

Specifications ..................................................................................... 3

Absolute Maximum Ratings ............................................................ 5

Thermal Resistance ...................................................................... 5

ESD Caution .................................................................................. 5

Pin Configuration and Function Descriptions ............................. 6

Typical Performance Characteristics ............................................. 7

Typical Application Circuits .......................................................... 12

Theory of Operation ...................................................................... 14

Overview ..................................................................................... 14

Gain .............................................................................................. 14

Pop-and-Click Suppression ...................................................... 14

Output Modulation Description .............................................. 14

Layout .......................................................................................... 15

Input Capacitor Selection .......................................................... 15

Power Supply Decoupling ......................................................... 15

Syncronization (SYNC) Operation .......................................... 15

Outline Dimensions ....................................................................... 17

Ordering Guide .......................................................................... 17

REVISION HISTORY

8/08—Revision 0: Initial Version

Содержание SSM2319

Страница 1: ...ngle 2 5 V to 5 5 V supply It is capable of delivering 3 W of continuous output power with 1 THD N driving a 3 load from a 5 0 V supply The SSM2319 features a high efficiency low noise modulation sche...

Страница 2: ...prints DISCUSSIONS View all ssm2319 EngineerZone Discussions SAMPLE AND BUY Visit the product page to see pricing options TECHNICAL SUPPORT Submit a technical question or find your regional support nu...

Страница 3: ...on 5 Pin Configuration and Function Descriptions 6 Typical Performance Characteristics 7 Typical Application Circuits 12 Theory of Operation 14 Overview 14 Gain 14 Pop and Click Suppression 14 Output...

Страница 4: ...kHz BW VDD 2 5V 0 85 W Efficiency POUT 1 4 W 8 VDD 5 0 V 93 Total Harmonic Distortion Noise THD N POUT 1W into 8 f 1 kHz VDD 5 0V 0 06 POUT 0 5W into 8 f 1 kHz VDD 3 6V 0 02 Input Common ModeVoltage R...

Страница 5: ...se en VDD 3 6V f 20 Hz to 20 kHz inputs are ac grounded AV 12 dB A weighting 40 V Signal to Noise Ratio SNR POUT 1 4 W RL 8 98 dB SYNC OPERATIONAL FREQUENCY 5 12 MHz 1 Although the SSM2319 has good au...

Страница 6: ...hose listed under Absolute Maximum Ratings may cause permanent damage to the device This is a stress rating only functional operation of the device at these or any other conditions above those indicat...

Страница 7: ...A 3 2 1 B C 07550 002 Figure 2 Pin Configuration Table 4 Pin Function Descriptions Pin No Mnemonic Description 1A IN Inverting Input 1B IN Noninverting Input 1C GND Ground 2A SD Shutdown Input Active...

Страница 8: ...10 100 0 0001 0 001 0 01 0 1 1 10 07550 004 OUTPUT POWER W THD N RL 4 33 H GAIN 12dB 10 100 1k 10k 100k 0 001 0 01 0 1 1 10 100 07550 007 FREQUENCY Hz THD N RL 4 33 H GAIN 12dB VDD 5V 1W 0 5W 2W Figu...

Страница 9: ...D N RL 3 33 H GAIN 12dB VDD 3 6V 0 75W 0 38W 1 5W Figure 11 THD N vs Frequency RL 3 33 H Gain 12 dB VDD 3 6 V 10 100 1k 10k 100k 0 001 0 01 0 1 1 10 100 07550 012 FREQUENCY Hz THD N RL 8 33 H GAIN 12d...

Страница 10: ...CONTINUOUS OUTPUT POWER 07550 017 SUPPLY VOLTAGE V OUTPUT POWER W Figure 17 MaximumOutputPowervs SupplyVoltage RL 4 33 H Gain 12dB 0 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 2 5 3 0 3 5 4 0 4 5 5 0 10...

Страница 11: ...23 OUTPUT POWER W POWER DISSIPATION W VDD 5V VDD 2 5V VDD 3 6V RL 4 33 H Figure 23 Power Dissipation vs Output Power into RL 4 33 H 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 0 5 1 0 1 5 2 0 2 5 3 5 3 0...

Страница 12: ...D INPUT Figure 27 Supply Current vs Output Power into RL 3 33 H Figure 30 Turn On Response 100 90 80 70 60 50 40 30 20 10 0 10 100 1k 10k 100k 07550 028 FREQUENCY Hz PSRR dB 2 1 0 1 2 3 4 5 6 7 100 80...

Страница 13: ...PPROXIMATELY VDD 2 SD SSM2319 40k 160k 160k 40k FET DRIVER BIAS INTERNAL OSCILLATOR SYNCI SYNCO SYNC INPUT SYNC Figure 32 Differential Input Configuration User Adjustable Gain 0 1 F VBATT 2 5V TO 5 5V...

Страница 14: ...MODULATOR SYNCI FROM MASTER SYNCO SYNC INPUT SYNC OUTPUT SSM2319 FET DRIVER SYNC INTERNAL OSCILLATOR Figure 34 Synchronization Operation Modes 07550 036 OUT SLAVE 1 MASTER SLAVE 2 OUT MODULATOR SYNCI...

Страница 15: ...of current flows into the inductive load when the differential pulse is generated However most of the time the output differential voltage is 0 V due to the Analog Devices Inc patented 3 level output...

Страница 16: ...UPLING To ensure high efficiency low THD and high PSRR proper power supply decoupling is necessary Noise transients on the power supply lines are short duration voltage spikes Although the actual swit...

Страница 17: ...wn in Figure 37 07550 037 SD REF MOD SYNCI SYNCO MCLK INTERNAL SIGNAL SYNCI GND Figure 39 SYNCI External Clock SYNCI GND transitions to clock When the SYNCI pin is connected to GND first but then tran...

Страница 18: ...e 42 9 Ball Wafer Level Chip Scale Package WLCSP CB 9 2 Dimensions shown in millimeters ORDERING GUIDE Model Temperature Range Package Description Package Option SSM2319CBZ R21 40 C to 85 C 9 Ball Waf...

Страница 19: ...SSM2319 Rev 0 Page 18 of 20 NOTES...

Страница 20: ...SSM2319 Rev 0 Page 19 of 20 NOTES...

Результаты поиска

Содержание SSM2319

Отзывы:

Analog Devices SSM2319, Руководство пользователя, Страница: 3 / 21

Результаты поиска

Содержание SSM2319

Отзывы: