apa2057ar Anpec Electronics Corporation, apa2057ar Datasheet
apa2057ar
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apa2057ar Summary of contents
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APA2057A 2.4W Stereo Audio Power Amplifier (with Gain Setting) & Capfree Headphone Driver Features Operating Voltage – 3.0~3.6V DD – 4.5~5. Output Capacitor at Headphone Amplifier Required Meeting VISTA Requirement Low Distortion AMP mode ...
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APA2057A Ordering and Marking Information APA2057A APA2057A APA2057A R : XXXXX APA2057A QB : APA2057A XXXXX Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which are fully compliant with RoHS and compatible ...
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APA2057A Absolute Maximum Ratings (Cont.) (Over operating free-air temperature range unless otherwise noted.) Symbol T Storage Temperature Range STG T Maximum Lead Soldering Temperature SDR P Power Dissipation D Note 1 : Absolute Maximum Ratings are those values beyond which ...
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APA2057A Electrical Characteristics (Cont 5V 3.3V, GND = PGND = CPGND = 0V Symbol Parameter I HV Shutdown Current SD(HVDD Shutdown Current SD(VDD Input current AMP_EN I Input ...
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APA2057A Electrical Characteristics (Cont 5V 3.3V, GND = PGND = CPGND = 0V Symbol Parameter Headphone mode (Cont.) S/N Noise Output Vn Voltage Input Feedback Rf Resistance Charge Pump Fosc Switching frequency Charge ...
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APA2057A Gain Setting Table _AMP Mode Gain (dB) Low (V) - 10.5 Recommend Resistance’s Value for Gain Setting Gain (dB) -70 ...
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APA2057A Typical Operating Characteristics THD+N vs. Output Power =1KHz BW<80KHz AMP mode 0.1 0.05 0 0.5 1 1.5 Output Power (W) THD+N vs. Frequency 10 V ...
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APA2057A Typical Operating Characteristics (Cont.) THD+N vs. Output Power BW<80KHz AMP mode 1 F =20KHz F =20Hz in in 0.1 F =1KHz in 0.05 0.01 0.1 Output Power (W) ...
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APA2057A Typical Operating Characteristics (Cont.) AMP Attenuation vs. Frequency +0 V =5V - - =2Vrms(F =1KHz, AMP enable) - AMP mode (disable) -40 -50 -60 -70 -80 -90 -100 ...
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APA2057A Typical Operating Characteristics (Cont.) THD+N vs. Output Voltage = =3. =1KHz BW<80KHz R =300 L HP mode R =32 L 0.1 R =16 L 0.01 ...
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APA2057A Typical Operating Characteristics (Cont.) Frequency Response +0.2 +0.1 Gain Phase - =3.3V DD -0 =39K =28mW O HP mode -0 100 Frequency (Hz) ...
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APA2057A Typical Operating Characteristics (Cont.) Frequency Response +0.2 Gain +0.1 Phase - =3.3V DD -0 =39K =13mW O HP mode -0.2 10 100 1k Frequency (Hz) ...
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APA2057A Typical Operating Characteristics (Cont.) THD+N vs. Output Voltage =3. =10K L R =39K BW<80KHz HP mode 0.1 F =20Hz in F =20KHz 0. ...
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APA2057A Typical Operating Characteristics (Cont.) HP attenuation vs. Frequency + =3.3V - =32 L - =1Vrms(F =1KHz HP enable) - mode (disable) -40 -50 -60 -70 ...
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APA2057A Typical Operating Characteristics (Cont.) Input Voltage vs. Output Voltage =3. =300 L 2.5 R =39K =1KHz mode 1 0.5 ...
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APA2057A Typical Operating Characteristics (Cont.) Supply Current vs. Supply Voltage 20 AMP Mode 18 No Load **AMP Mode disable V = =12mA VDD 4 HP Mode 2 3.0 3.5 4.0 Supply Voltage ...
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APA2057A Operating Waveforms Output Transient at Turn HP_Out AMP_Out ((Out+)-(Out-)) 20ms/div Output Transient at Turn Off V DD HP_Out AMP_Out ((Out+)-(Out-)) 200ms/div Copyright ANPEC Electronics Corp. Rev. A.1 - Aug., 2007 Output transient at Shutdown Release 5V/div ...
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APA2057A Pin Descriptions TSSOP-28 TQFN-28 NO. NO 7,23 3, 10,20 6, ...
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APA2057A Block Diagram INR_A INL_A SET AMP_EN HP_EN INR_H INL_H CVDD CP+ CP- CGND * The internal Rf's value has 10% variation by process Copyright ANPEC Electronics Corp. Rev. A.1 - Aug., 2007 Internal gain setting SET SPK EN R ...
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APA2057A Typical Application Circuit C i(AMP_R) R_ch for AMP 2 i(AMP_L) L_ch for AMP 2 (5V) DD 10K R 1 SET 10nF Shutdown AMP_EN # R HP_EN SET 51k Recommended for de-pop 4.7nF 39K 3.3 F ...
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APA2057A Application Information Amplifier Mode Operation The APA2057A has two pairs of operational amplifiers internally, which allows different amplifier configurations. - Pre-amplifier Output signal + Figure 1: APA2057A internal configuration (each channel) The OP1 and OP2 are ...
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APA2057A Application Information (Cont.) Charge Pump Output Capacitor The output capacitor (C )’ s value affects the power CPO ripple directly Increasing the value of output SS SS capacitor reduces the power ripple. The ESR of ...
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APA2057A Application Information (Cont.) Gain Setting (Cont.) For headphone driver, the internal feedback resistor is 40k (R external, 10% variation by process), so the f(HP) headphone driver’ s gain is set by the input resistor (R external), the Table 1 ...
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APA2057A Application Information (Cont.) Shutdown Function (Cont.) SET pin. The trigger point between a logic high and logic low level is typically 2.0V the best to switch be- tween ground and the supply V DD device performance. By ...
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APA2057A Application Information (Cont.) Power Dissipation (Cont.) power dissipation from equation 9, assuming a 5V- power supply and an 8 load, must not be greater than the power dissipation that results from the equation MAX ...
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APA2057A Application Information (Cont.) Thermal Considerations (Cont.) Package TSSOP-28 45 C/W TQFN -28 43 C/W Table 4: Thermal resistance Table This parameter is measured with the recommended copper heat sink pattern on a 2-layer PCB, 23cm ...
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APA2057A Package Information TSSOP-28P EXPOS ED PAD MIN 0.05 A2 0.80 b 0.19 c 0.09 D 9. 4. Note : ...
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APA2057A Package Information TQFN5x5- Copyright ANPEC Electronics Corp. Rev. A.1 - Aug., 2007 D D2 Pin 1 Corner e TQFN5x5-28 MILLIMETERS MIN. MAX. MIN. ...
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APA2057A Carrier Tape & Reel Dimensions K0 SECTION A-A Application A H 330.0± 2.00 50 MIN TSSOP-28P 4.0± 0.10 8.0± 0.10 Application A H 330.0± 2.00 50 MIN. TQFN5x5- 4.0± 0.10 12.0± 0.10 Devices Per Unit ...
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APA2057A Reflow Condition (IR/Convection or VPR Reflow Tsmax Tsmin 25 Reliability Test Program Test item SOLDERABILITY HOLT PCT TST ESD Latch-Up Classification Reflow Profiles Profile Feature Average ramp-up rate ( Preheat ...
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APA2057A Classification Reflow Profiles (Cont.) Table 1. SnPb Eutectic Process – Package Peak Reflow Temperatures Package Thickness <2.5 mm 2.5 mm Table 2. Pb-free Process – Package Classification Reflow Temperatures Package Thickness <1.6 mm 1.6 mm – 2.5 mm 2.5 ...