PDF IS31AP2117 Data sheet ( Hoja de datos )

Número de pieza	IS31AP2117
Descripción	8W/CH STEREO CLASS-D AUDIO POWER AMPLIFIER
Fabricantes	ISSI
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No Preview Available ! IS31AP2117 8W/CH STEREO CLASS-D AUDIO POWER AMPLIFIER Advanced Information July 2012 GENERAL DESCRIPTION The IS31AP2117 is an 8W/CH, dual channel, Class-D stereo driver in our audio amplifier family. It is suitable for powering the audio components of various equipments, including typical consumer electronics, high performance audio speakers. IS31AP2117 has several key features which distinguishes itself from other alternatives on the market. On-board AGC, EMI suppression, and 92% typical operating efficiency are key features of this part. EMI suppression circuit, which eliminates LC, filters at the outputs. These features simplify customer design, reduces system cost and PCB area. The IS31AP2117 integrates automatic gain control function with adjustable power limit. When output power goes over the power limit, IS31AP2117 can reduce gain automatically to pull down the output power, so that keep the output power around power limit while the input level is high. The IS31AP2117 has short circuit and thermal protection features integrated on board. FEATURES  Mono 6W, at 8Ω @ 1% THD, VCC=12V  Mono 15W, at 8Ω @ 10% THD, VCC=16V  Dual 8W/CH, at 8Ω @ 10% THD, VCC =24V  92% typical operating efficiency  8V< VIN <26V  Filter-less EMI suppression  Integrated AGC with adjustable power limit  Four selectable, gain preset levels: 20dB, 26dB, 32dB, 36dB  High SNR, low THD+N  Thermal and short-circuit protection  Over/under-voltage protection  Mute features  Clock selection  TSSOP-28 package APPLICATIONS  Consumer audio equipment  HDTV, home theater equipment  Automotive audio amplifier  Performance stereo speakers http://www.DataSheet4U.net/ TYPICAL APPLICATION CIRCUIT VCC 8V~26V 10 F 7 AVCC 0.1 F PVCC 15,16 VCC 8V~26V 27,28 1F 470 F Micro Controller 100k Right Input Left Input 14 MUTE 2 FSEL 5 GAIN0 6 GAIN1 1 SDB CINR+ 1 F 13 12 CINR- 1F INR+ INR- CINL+ 1F 3 4 CINL- 1F INL+ INL- 10 AVDD 11 AGCLMT IS31AP2117 26 0.22 F BSL 24,25 33 H OUTL PGND OUTR BSR 20~23 0.22 F 18,19 0.22 F 17 33 H 0.22 F 9 BYPASS 8 AGND 1F Figure 1 Typical Application Circuit (Stereo Mode Application) 470 F 470 F Integrated Silicon Solution, Inc. – www.issi.com Rev. 00A, 07/10/2012 1 datasheet pdf - http://www.DataSheet4U.net/ 1 page IS31AP2117 ABSOLUTE MAXIMUM RATINGS Supply voltage (AVCC, PVCC), VCC Voltage at SDB, GAIN0, GAIN1, FSEL, MUTE pins Voltage at IN, AGCLMT pins Voltage at OUTR, OUTL Voltage at AVDD Maximum junction temperature, TJMAX Storage temperature range, TSTG Operating temperature range, TA -0.3V ~ +30.0V -0.3V ~ VCC+0.3V -0.3 to VAVDD+0.3V -0.3 to VCC+0.3V -0.3V ~ +6.0V 150°C -65°C ~ +150°C −40°C ~ +85°C Note: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other condition beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. DC ELECTRICAL CHARACTERISTICS VCC=12V, TA=25℃, RL=8Ω (unless otherwise noted). Symbol Parameter Condition VCC ICC ISD RDS(ON) VOS G tON tOFF AVDD RL Supply voltage Quiescent current Shutdown current Drain-source resistance VSDB = 2V, no load (without LC) VSDB = 0.8V on-state IO = 500mA Class-D output offset voltage (measured differentially) VI = 0, Gain = 36dB Gain1= 0.8V, Gain0= 0.8V Gain Gain1= 0.8V, Gain0= 2V http://www.DataSheet4U.net/ Gain1= 2V, Gain0= 0.8V Gain1= 2V, Gain0= 2V Turn-on time Turn-off time Internal regulated output Speaker resistance VSDB = 2V VSDB = 0.8V IO = 5mA Logic Electrical Characteristics (SDB, FSEL, GAIN0, GAIN1, MUTE) VIH High level threshold voltage VIL Low level threshold voltage IIH High level threshold current VI = 2V, VCC = 18V IIL Low level threshold current VI = 0.8V, VCC = 18V Min. 8 3.6 2 0 Typ. 12 200 150 Max. 26 Unit V mA µA mΩ 1.5 mV 20 26 dB 32 36 50 ms 2 µs 5V Ω AVCC V 0.8 V 50 µA 5 µA Integrated Silicon Solution, Inc. – www.issi.com Rev. 00A, 07/10/2012 5 datasheet pdf - http://www.DataSheet4U.net/ 5 Page

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