LV4993M

Ordering number : ENA1962 Bi-CMOS IC LV4993M Overview For Portable Audio Equipment Monaural BTL Power Amplifier LV4993M built-in the power amplifier circuit operable at low voltage (1.8V or more) and has additionally the standby function to reduce the current drain. It is power amplifier IC optimal for speaker drive used in battery-driven portable equipment and the low output power system equipment. Application IC recorder, Portable-TV, Radio, Portable-NAVI, LCD-monitor, Digital-photo-frame, and etc. Function and Feature • Monaural BTL power amplifier built-in Standard output power 1 = 1.5W (VCC = 5V, RL = 8Ω, THD = 10%) Standard output power 2 = 0.5W (VCC = 3V, RL = 8Ω, THD = 10%) Output coupling capacitor not necessary because of differential output type • Operation at low voltage possible (Operate with two dry battery cells) VCC = 1.8V or more • Standby function built-in Standard current drain at standby = 0.02μA (VCC = 5V) • Second amplifier stop control function built-in: For BTL/SE mode switching, and signal muting at BTL mode. • Overheat protection circuit built-in • Gain setting possible BTL voltage gain = 0 to 26dB • Output phase compensation capacitor not necessary Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer' s products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer' s products or equipment. 61511 SY No.A1962-1/13 LV4993M Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Allowable power dissipation Maximum junction temperature Operating temperature Storage temperature Symbol VCC max Pd max Tj max Topr Tstg PCB mounted* Conditions Ratings 6 0.9 150 -40 to +85 -40 to +150 Unit V W °C °C °C * PCB mounted : with 50mm × 40mm × 1.6mm, double-sided glass epoxy circuit board Operating Conditions at Ta = 25°C Parameter Recommended supply voltage Recommended load resistance Allowable operating supply voltage range1 Allowable operating supply voltage range2 Allowable operating supply voltage range3 Allowable operating supply voltage range4 Symbol VCC RL VCC op1 VCC op2 VCC op3 VCC op4 RL=8 to 32Ω, Ta=-10 to 85°C RL=8 to 32Ω, Ta=-40 to 85°C RL=4 to 7Ω, Ta=-10 to 85°C RL=4 to 7Ω, Ta=-40 to 85°C Conditions Ratings 5 4 to 32 * 1.8 to 5.5 2.0 to 5.5 2.0 to 4.0 2.2 to 4.0 Unit V Ω V V V V * Determine the supply voltage to be used with due consideration of allowable power dissipation. * It is assumed the operation guarantee from VCC=1.8V to 2.0V. Electrical Characteristics Ta = 25°C, VCC = 5V, fin = 1kHz, RL = 8Ω, V2=1.6V Ratings Parameter Quiescent current drain Stand-by current drain Maximum output power 1 Maximum output power 2 Voltage gain Voltage gain use range Total harmonic distortion Output noise voltage MUTE attenuation level 1 MUTE attenuation level 2 Ripple rejection ratio Output offset voltage Reference (pin 1) voltage Pin 2 control HIGH voltage Pin 2 control LOW voltage Pin 4 control HIGH voltage Pin 4 control LOW voltage Symbol ICCOP ISTBY POMX1 POMX2 VG VGR THD VNOUT MUTE1 MUTE2 SVRR VOS VREF VSTBH VSTBL VCNTH VCNTL Power amplifier operation mode Power amplifier standby mode Second power amplifier operation mode (BTL mode) Second power amplifier standby mode (SE mode) 0 0.3 V 1.6 0 1.6 VIN = -10dBV Rg = 620Ω, 20 to 20kHz VIN = 0dBV, V2=0.3V(at standby) VIN = 0dBV, V4=0.3V (at Second power amplifier stop) Rg = 620Ω, fr = 100Hz, Vr = -20dBV Rg = 620Ω -30 0.5VCC 3 0.3 VCC Conditions min No signal, RL = ∞ No signal, RL = ∞, V2 = 0.3V THD = 10% THD = 10%, VCC = 3V VIN = -10dBV 4.4 0 0.3 35 -105 -105 50 30 1.0 typ 3.6 0.02 1.5 0.5 5.9 7.4 26 1 100 -90 -90 max 6 5 mA μA W W dB dB % μVrms dBV dBV dB mV V V V V Unit No.A1962-2/13 LV4993M Package Dimensions unit : mm (typ) 3032E 5.0 8 1200 Pd max -- Ta Specified board (Both side) Specified board: 50×40×1.6mm3 glass epoxy board Allowable power dissipation, Pd max -- mW 1000 900 800 4.4 6.4 0.63 600 468 400 300 200 1 (0.6) 2 1.27 0.35 0.15 1.7 MAX Independent IC 156 (1.5) 0 -40 0.1 -20 0 20 40 60 8085 100 Ambient temperature, Ta -- C SANYO : MFP8(225mil) Evaluation board Size : 50mm×40mm×1.6mm Top Layer(Top view) Bottom Layer(Top view) No.A1962-3/13 LV4993M Block Diagram and Sample Application Circuit + VCC IN 1 VCC + BIAS TSD AMP1 VCC 8 OUT1 VCC from CPU STBY 2 7 GND VREF 3 + 6 GND from CPU CNT 4 CONTROL AMP2 5 OUT2 Test Circuit + VCC 1 VIN VSTBY 2 8 7 LV4993M 3 6 4 5 No.A1962-4/13 LV4993M Pin Description Pin voltage Pin No. 1 IN Symbol VCC = 5V 2.5 Input pin Description Equivalent circuit VCC VCC 1 VREF GND 2 STBY External impression Standby control pin •Standby mode at 0 to 0.3V •Operation mode at 1.6 to 3V VCC VCC 2 BIAS GND 3 VREF 2.5 Standard voltage pin VCC VCC VREF 3 GND 4 CNT 1.4 Second amplifier stop control pin •When OPEN : BTL mode •When external is impressed BTL mode at 1.6V to VCC SE mode at 0 to o.3V VCC VCC CNT 4 GND 5 OUT2 2.5 Second output pin VCC VREF + - VCC 5 GND 6 7 8 GND VCC OUT1 0 External impression 2.5 First output pin Ground pin Power pin VCC VREF + - VCC 8 GND No.A1962-5/13 LV4993M Cautions for use 1. Input coupling capacitor (C3) C3 is an input coupling capacitor, and it has aimed at the DC cutting. However, please set it in consideration of the cutoff frequency when you decide the capacitance value so that the high-pass filter may be composed by this capacitor (C3) and input resistance (R1), and the bass frequency signal may attenuate. The cutoff frequency is shown by the next formula. 1 fc = 2π*C3*R1 Moreover, this capacitor influences a pop noise at start-up. Please note it enough so that the charging time to the capacitor may become long when the value is enlarged, and the pop noise level may grow. 2. BTL voltage gain The voltage gain of the first amplifier is decided depending on the ratio of resistance R1 and R2. Vg=20 * log(R2/R1) (dB) Therefore, the BTL voltage gain: VgBTL=6+20 * log(R1/R2) (dB) It is shown by the above-mentioned calculating formula. Please set the BTL voltage gain within the range from 0 to 26dB. 3. Pin 3 capacitor (C4) C4 is a capacitor for the ripple filter. It is a purpose to compose the low-pass filter of internal resistance (100kΩ+450kΩ) and C4, to reduce the power supply ripple element, and to improve the ripple elimination factor. Please operate the automatic pop noise reduction circuit by using the standing up transition response characteristic of 3rd pin voltage (standard voltage), and design in IC in consideration of a pop noise at the time of start-up growing when the C3 capacity value is reduced to hasten the start-up speed. 4. Capacitor for power supply line (C1, C2) Bypass capacitor (C2) has aimed at the high frequency aphaeresis that cannot be removed with the power supply capacitor (C1: Chemical capacitor). This capacity must arrange as much as possible near IC, and use the ceramic capacitor with good high-frequency property. It is also possible to bring it together in the ceramic capacitor of one 2.2μF when a steady power supply is used. Please enlarge the capacity value of power supply capacitor (C1) when the power supply line is comparatively unstable. 5. Standby pin (pin 2) By controlling the standby pin, the mode changeover can be made between standby and operation modes. The series resistance (R3:1kΩ or more) is recommended to be inserted might receive the influence of a digital noise from CPU though it is possible to control with the output port of CPU directly. Standby mode ⇒ V2 = 0 to 0.3V Operation mode ⇒ V2 = 1.6 to 3V Please suppress the impressed voltage to become a static test mode (heat protection circuit operation check mode) when 3V or more is impressed to 2nd pin within 3V. Moreover, it is also possible to synchronize with the power supply and to use the pin as shown in Figure 1 when the standby function is not used. Please set the value of series resistance (R3) so that 2nd pin voltage may become 3V or less. Current (I2) that flows in 2nd pin can be calculated by the next formula. 7*10-6+(VCC−0.7) I2 = R3+30000 VCC VCC R3 7 STBY 2 Fig. 1 No.A1962-6/13 LV4993M 6. Pin 4 control (second amplifier stop control function) Pin 4 are pin that control ON/OFF as for the movement of the second amplifier of the BTL amplifier. The switch of the speaker drive (BTL output method) and the earphone drive (shingle end output method) can operate by using this function. Moreover, it is possible to use it as a voice mute function in the BTL output method. Second amplifier ON ⇒ V4 = 1.6 to VCC or OPEN Second amplifier OFF ⇒ V4 = 0 to 0.3V Make it to the opening when this function is not used. 7. Load capacitance The phase margin degree of the power amplifier might decrease by the influence of this capacitor when the capacitor is connected by the purpose of the anti-electric wave radiation measures etc. between output pins GND and the oscillation be caused. Note the capacity value when you add this capacitor. Recommended capacity value: 100pF or less or 1000pF to 1μF 8. Thermal protector circuit The thermal protector circuit is built into in IC, and when heat is abnormally generated because of some causes, the risk of destruction/deterioration can be reduced. The protection circuit operates when junction temperature (Tj) of the chip in IC rises to about 165℃, the current supply source to the power amplifier is intercepted, and the signal is not output. It returns automatically if the temperature of the chip decreases (about 140℃). This circuit must note handling enough because it is able surely not to prevent destruction/deterioration. Turn off power promptly when you abnormally generate heat, and pinpoint the cause. 9. Short-circuit between pins When power is applied with pins left short-circuited, deterioration or damage may result. Therefore, check before power application if pins are short-circuited with solder, etc. during mounting of IC to the substrate. 10. Short-circuit of load If the load is left short-circuited for a long period of time, deterioration or damage may occur. Never allow the load to short-circuit. 11. Maximum rating When IC is used near the maximum rating, there is a possibility that the maximum rating may be exceeded even under the smallest change of conditions, resulting in failure. Take the sufficient margin for variation of supply voltage and use IC within a range where the maximum rating will never be exceeded. No.A1962-7/13 LV4993M 100 7 5 3 2 10 7 5 3 2 1 7 5 3 2 0.1 0.01 2 3 5 7 0.1 2 3 5 7 2 3 5 7 10 THD -- PO Total harmonic distortion, THD -- % VCC = 5V fin =1kHz VG = 6dB Total harmonic distortion, THD -- % 100 7 5 3 2 10 7 5 3 2 1 7 5 3 2 THD -- PO VCC = 3V fin =1kHz VG = 6dB Output power, PO -- W 1 0.1 0.01 2 3 5 7 10 7 THD -- f Output power, PO -- W 0.1 2 3 5 7 1 10 7 THD -- f Total harmonic distortion, THD -- % 5 3 2 Total harmonic distortion, THD -- % 5 3 2 VCC = 5V PO = 200mW VG = 6dB 1 7 5 3 2 1 7 5 3 2 19.1dB 12.5dB 6dB 0.1 0.01 23 5 7 0.1 23 Frequency, f -- kHz 571 23 5 7 10 23 5 7 100 0.1 0.01 23 5 7 0.1 23 Frequency, f -- kHz 571 23 5 7 10 23 5 7 100 2 1.75 1.5 1.25 1 0.75 0.5 0.25 PO max -- VCC THD = 10% fin = 1kHz 2 1.75 1.5 1.25 1 0.75 0.5 0.25 PO -- VCC THD = 1% fin = 1kHz Max. output power, PO max -- W 0 1.5 Output power, PO -- W 2 2.5 3 3.5 4 4.5 5 5.5 0 1.5 2 2.5 3 3.5 4 4.5 5 5.5 Supply voltage, VCC -- V 0.7 Pd -- PO Supply voltage, VCC -- V 0.7 Pd -- PO 0.6 0.6 V Power dissipation, Pd -- W Power dissipation, Pd -- W 5.0 V CC = 0.5 0.5 0.4 4.2 V V V CC 2 3 5 7 0.1 =3 3. 0V 2 3 0.4 0.3 3.6 0.3 3.0V 0.2 0.2 0.1 0 0.01 0.1 0 0.01 2 3 5 7 0.1 2 3 Output power, PO -- W 571 2 3 5 7 10 .6V Output power, PO -- W 571 2 3 5 7 10 No.A1962-8/13 LV4993M 0.7 Pd -- PO VCC = 5V Supply current, ICCO -- mA 1000 7 5 3 2 ICCO -- PO 0.6 Power dissipation, Pd -- W 0.5 0.4 100 7 5 3 2 0.3 0.2 0.1 0 0.01 2 3 5 7 0.1 2 3 57 Output power, PO -- W 1 2 3 5 7 10 10 0.01 2 3 5 7 0.1 2 3 57 34 VNO -- VCC Output power, PO -- W 1 2 3 5 7 10 1000 7 5 3 2 tr -- Cref VCC = 5V 33 Rise time, tr -- msec 100 7 5 3 2 32 31 2 2.5 3 3.5 4 4.5 5 5.5 Supply voltage, VCC -- V --100 10 0.1 2 3 5 7 1 2 3 5 7 10 Vmt -- Vin --70 Vmt -- f Mutting level, Vmt -- dBV Mutting level, Vmt -- dBV --105 --80 --90 --110 --100 --115 standby (V2 =0.3V) V4 =0.3V standby (V2 =0.3V) --110 --120 V4 =0.3V --120 --125 --40 --35 --30 --25 --20 --15 --10 --5 0 Input voltage, Vin -- dBV 65 --130 0.01 23 5 7 0.1 23 Frequency, f -- Hz 571 23 5 7 10 23 5 7 100 SVRR -- f Ripple rejection ratio, SVRR -- dB 65 SVRR -- Cref Ripple rejection ratio, SVRR -- dB 60 60 55 55 50 50 45 45 40 40 35 30 0.01 35 30 0.1 23 5 7 0.1 23 Frequency, f -- Hz 571 23 5 7 10 23 5 7100 2 3 5 7 1 2 3 5 7 10 No.A1962-9/13 LV4993M 5 ICCop -- VSTBY VCC = 5V no load no signal Supply current, ICCop -- mA 4 ICCop -- V2CNT VCC = 5V no load no signal Supply current, ICCop -- mA 4 3.5 3 3 2 2.5 1 0 0 0.5 1 1.5 2 2.5 3 2 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 Standby control voltage, VSTBY -- V 4 3.5 ICCop -- VCC 2pin control voltage, V2CNT -- V 100 Istby -- VCC no signal no load V2 = 1.6V Supply current, ICCop -- mA 3 2.5 2 1.5 1 0.5 0 0 1 2 3 4 5 6 SE (V 4 =0. 3V) Standby current, Istby -- nA BTL no signal no load V2 = 0.3V 80 60 40 20 0 0 1 2 3 4 5 6 Supply voltage, VCC -- V 4.5 4 ICCop -- VCC Supply voltage, VCC -- V 4.5 ICCop -- Ta no signal no load V2 = 1.6V Supply current, ICCop -- mA 3.5 3 2.5 2 1.5 1 0.5 0 0 1 2 3 4 Supply current, ICCop -- mA 85 C Ta = 25 C C -40 4 3.5 3 2.5 2 1.5 1 0.5 VCC = 5V V2 = 1.6V no signal no load BTL SE (V4 =0.3V) 5 6 0 --40 --20 0 20 40 60 80 100 Supply voltage, VCC -- V 10000 7 5 Ambient temperature, Ta -- C 40 Istby -- Ta VNO -- Ta Standby current, Istby -- nA 3 2 1000 7 5 3 2 100 7 5 3 2 no signal no load V2 = 0.3V 35 30 25 10 --40 --20 0 20 40 60 80 100 20 --40 --20 0 20 40 60 80 100 Ambient temperature, Ta -- C Ambient temperature, Ta -- C No.A1962-10/13 LV4993M 100 7 5 3 2 THD -- PO Total harmonic distortion, THD -- % Total harmonic distortion, THD -- % 25 C 3 2 C -40 C 5C Ta = 8 2 3 5 7 Ta = 8 5 10 7 5 3 2 1 7 5 3 2 0.1 0.01 2 3 5 7 0.1 2 3 10 7 5 3 2 1 7 5 3 2 0.1 0.01 Output power, PO -- W 571 2 3 5 7 10 -10 2 3 C 25 C 100 7 5 THD -- PO 2 PO -- Ta Output power, PO -- W 0.1 5 7 1 0.2 PO -- Ta 1.8 0.18 Output power, PO -- W Output power, PO -- W 1.6 0.16 THD = 1.4 10% THD 0.14 = 10% 1.2 0.12 THD = 1% 1 THD = 1% 0.1 0.8 --40 --20 0 20 40 60 80 100 0.08 --40 --20 0 20 40 60 80 100 Ambient temperature, Ta -- C 7 Ambient temperature, Ta -- C --90 VG -- Ta Vmt -- Ta Voltage gain , VG -- dB 6.5 Mutting level, Vmt -- dBV --100 6 V4 = 0.3V --110 V2 = 0.3V 5.5 5 --40 --20 0 20 40 60 80 100 --120 --40 --20 0 20 40 60 80 100 Ambient temperature, Ta -- C Ambient temperature, Ta -- C No.A1962-11/13 LV4993M Transient response characteristics VCC = 5V, RL = 8Ω, VG = 6dB, Cref = 1μF, Cin = 0.33μF Rising Transient response characteristics CH1:Load end [100mV/div] CH2:8pin (OUT1) [1V/div] CH3:2pin (STBY) [2V/div] Time axis:50msec/div Falling Transient response characteristics CH1:Load end [100mV/div] CH2:8pin (OUT1) [1V/div] CH3:2pin (STBY) [2V/div] Time axis:50msec/div Mute release Transient response characteristics (ON→OFF) CH1:Load end [100mV/div] CH2:8pin (OUT1) [1V/div] CH3:4pin (CNT) [2V/div] Time axis:2msec/div Mute Transient response characteristics (OFF→ON) CH1:Load end [100mV/div] CH2:8pin (OUT1) [1V/div] CH3:4pin (CNT) [2V/div] Time axis:2msec/div No.A1962-12/13 LV4993M SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. 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SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of June, 2011. Specifications and information herein are subject to change without notice. PS No.A1962-13/13