PA7469G-S16-T

PA7469_15 UTC | Alldatasheet

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UNISONIC TECHNOLOGIES CO., LTD PA7469 CMOS IC www.unisonic.com.tw 1 of 12 Copyright © 2008 Unisonic Technologies Co., Ltd QW-R502-201.A STEREO 2.6W AUDIO POWER A M P L I F I E R (WITH DC_VOLUME CONTROL) „ DESCRIPTION As an audio power amplifier, UTC PA7469 can provides precise DC volume control, and a stereo bridged audio power amplifiers capable of producing 2.6 Ω(1.8W) into 4W with less than 10% (1.0%)THD+N. In UTC PA7469, the attenuator range of the volume control is from 20dB (DC_Vol=0V) to -80dB (DC_Vol=3.54V) with 32 steps. It also includes both of the depop circuitry and the thermal shutdown protection circuitry which can reduce pops and clicks noise during power up or shutdown mode operation. It also improves the power off pop noise and has the parts to not been destroyed by over temperature and short current failure. Into a single UTC PA7469 chip, there are a stereo bridge-tied loads (BTL) mode for speaker drive and a stereo single-end (SE) mode for headphone drive into a single chip, which built to simplify the audio system design. And bot h modes are easily switched by the SE/BTL input control pin signal. „ FEATURES * Low operating current: 9mA * Two output modes allowable with BTL and SE modes selected by SE/BTL pin * Low current consumption in shutdown mode :1μA * Short circuit protection * Thermal shutdown protection and over current protection circuitry * Improved depop circuitry to eliminate turn-on and turn-off transients in outputs * Very high PSRR * 32 Steps volume adjustable * BTL mode: 2.6W per channel output power into 4Ω Load at 5V DIP-16 SOP-16 * Product number: Lead-free: PA7469L Halogen-free: PA7469G „ RDERING INFORMATION Ordering Number Normal Lead Free Plating Halogen-Free Plating Package Packing PA7469-D16-T PA7469L-D16-T PA7469G-D16-T DIP-16 Tube PA7469-S16-T PA7469L-S16-T PA7469G-S16-T SOP-16 Tube PA7469-S16-R PA7469L-S16-R PA 7469G-S16-R SOP-16 Tape Reel

UNISONIC TECHNOLOGIES CO., LTD 2 of 12 www.unisonic.com.tw Q W - R 5 0 2 - 2 0 1 . A „ PIN CONFIGURATION UTC PA7469 SHUTDOWN BYPASS RIN- GND GND LIN- VOLUME SE/BTL ROUT- VDD ROUT+ GND GND LOUT+ VDD LOUT- „ PIN DESCRIPTION PIN NO PIN NAME I/O DESCRIPTION 1 SHUTDOWN I When this pin is pulled low the chip will be into shutdown mode. I SD= 1μA

2 BYPASS I Bias voltage generator

3 R IN- I Right channel input

4,5,12,13 GND Ground

6 L IN- I Left channel input

7 VOLUME I Volume gain setting input signal

8 SE/ BTL I Output mode control input,

High: SE output mode, Low: for BTL mode. 9 L OUT- O Left channel positive output in BTL mode and SE mode. 10,15 V DD Supply voltage

11 L OUT+ O Left channel negative output in BTL mode

High impedance in SE mode.

14 R OUT+ O Right channel negative output in BTL mode

High impedance in SE mode. 16 R OUT- O Right channel positive out put in BTL mode and SE mode.

UNISONIC TECHNOLOGIES CO., LTD 3 of 12 www.unisonic.com.tw Q W - R 5 0 2 - 2 0 1 . A „ BLOCK DIAGRAM Volume Control SE/BTL Shutdown ckt Power and Depop circuit BYPASS RIN- VOLUME SE/BTL SHUTDOWN LIN- LOUT+ LOUT- BYPASS ROUT+ ROUT- VDD GND

UNISONIC TECHNOLOGIES CO., LTD 4 of 12 www.unisonic.com.tw Q W - R 5 0 2 - 2 0 1 . A „ ABSOLUTE MAXIMUM RATINGS (Over operating free-air temperature range unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Supply Voltage V DD -0.3 ~ 6 V Input Voltage , SE/BTL, SHUTDOWN V IN -0.3 ~ V DD+0.3 V Power Dissipation P D Internal Limited Junction Temperature T J Internal Limited(Note1) ℃ Operating Temperature T OPR -40 ~ 85 ℃ Storage Temperature T STG -65~ +150 ℃ Note: 1. That integrated internal thermal shutdown protection when junction temperature ramp up to 150℃ 2. Absolute maximum ratings are those values bey ond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. „ THERMAL DATA PARAMETER SYMBOL RATINGS UNIT Junction to Ambient in Free Air θJA 45 ℃/W „ OPERATING CONDITIONS RECOMMENDED PARAMETER SYMBOL MIN TYP MAX UNI Supply Voltage V DD 4.5 5.5 V SHUTDOWN 2 V High Level Threshold Voltage SE/BTL VIH 4 V SHUTDOWN 1.0 V Low Level Threshold Voltage SE/BTL VIL 3 V Common Mode Input Voltage V I(CM) V DD -1.0 V „ ELECTRICAL CHARACTERISTICS VDD=5V, -20℃<TA<85℃ (unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Supply Voltage V DD 4.5 5.5 V SE/BTL=0V 9 20 mA Supply Current I DD SE/BTL=5V 4 10 mA Supply Current in Shutdown Mode I SD SE/BTL=0V SHUTDOWN=0V 1 μA High I IH 900 nA input Current Low I IL 900 nA Output Differential Voltage V OS 5 mV BTL Mode VDD=5V, TA=25℃,RL=4Ω, Gain=2dB THD=10%, RL=3Ω, FIN=1kHz 2.9 W THD=10%, RL=4Ω, FIN=1kHz 2.6 W THD=10%, RL=8Ω, FIN=1kHz 1.6 W THD=1%, RL=3Ω, FIN=1kHz 2.4 W THD=1%, RL=4Ω, FIN=1kHz 1.8 W Maximum Output Power P OUT THD=0.5%, RL=8Ω, FIN=1kHz 1 1.3 W POUT=1.2W, RL=4Ω, FIN=1kHz 0.07 % Total Harmonic Distortion Plus Noise THD+N POUT=0.9W, RL=8Ω, FIN=1kHz 0.08 % Power Ripple Rejection Ratio(Note1) PSRR VIN=0.1Vrms,RL=8Ω,CB=1μF, Fin=120Hz 60 dB Channel Separation Xtalk C B=1mF, RL=8Ω, FIN=1kHz 90 dB Signal to Noise Ratio S/N P OUT =1.1W, RL=8Ω, A_wieght 95 dB

UNISONIC TECHNOLOGIES CO., LTD 5 of 12 www.unisonic.com.tw Q W - R 5 0 2 - 2 0 1 . A „ ELECTRICAL CHARACTERISTICS(Cont.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT SE Mode VDD=5V,TA=25℃, Gain=1dB THD=10%, RL=16Ω, FIN=1kHz 220 mW THD=10%, RL=32Ω, FIN=1kHz 120 mW THD=1%, RL=16Ω, FIN=1kHz 160 mWMaximum Output Power P OUT THD=1%, RL=32Ω, FIN=1kHz 95 mW POUT=125mW,RL=16Ω, FIN=1kHz 0.09 Total Harmonic Distortion Plus Noise THD+N POUT=65mW, RL=32Ω, FIN=1kHz 0.09 % Power Ripple Rejection Ratio PSRR VIN=0.1Vrms, RL=8Ω, CB=1μF, FIN=120Hz 60 dB Channel Separation Xtalk C B=1mF, RL=32Ω, FIN=1kHz 60 dB Signal to Noise Ratio S/N P OUT=75mΩ,SE,RL=32Ω,A_wieght 100 dB

UNISONIC TECHNOLOGIES CO., LTD 6 of 12 www.unisonic.com.tw Q W - R 5 0 2 - 2 0 1 . A „ TYPICAL APPLICATION CIRCUIT

UNISONIC TECHNOLOGIES CO., LTD 7 of 12 www.unisonic.com.tw Q W - R 5 0 2 - 2 0 1 . A „ VOLUME CONTROL TABLE_BTL MODE (Supply Voltage VDD=5V) GAIN(DB) HIGH(V) LOW(V) HYSTERESIS(MV) RECOMMENDED VOLTAGE(V) 20 0.12 0.00 0 18 0.23 0.17 52 0.20 16 0.34 0.28 51 0.31 14 0.46 0.39 50 0.43 12 0.57 0.51 49 0.54 10 0.69 0.62 47 0.65 8 0.80 0.73 46 0.77 6 0.91 0.84 45 0.88 4 1.03 0.96 44 0.99 2 1.14 1.07 43 1.10 0 1.25 1.18 41 1.22 -2 1.37 1.29 40 1.33 -4 1.48 1.41 39 1.44 -6 1.59 1.52 38 1.56 -8 1.71 1.63 37 1.67 -10 1.82 1.74 35 1.78 -12 1.93 1.85 34 1.89 -14 2.05 1.97 33 2.01 -16 2.16 2.08 32 2.12 -18 2.28 2.19 30 2.23 -20 2.39 2.30 29 2.35 -22 2.50 2.42 28 2.46 -24 2.62 2.53 27 2.57 -26 2.73 2.64 26 2.69 -28 2.84 2.75 24 2.80 -30 2.96 2.87 23 2.91 -32 3.07 2.98 22 3.02 -34 3.18 3.09 21 3.14 -36 3.30 3.20 20 3.25 -38 3.41 3.32 18 3.36 -40 3.52 3.43 17 3.48 -80 5.00 3.54 16 5

UNISONIC TECHNOLOGIES CO., LTD 8 of 12 www.unisonic.com.tw Q W - R 5 0 2 - 2 0 1 . A „ TYPICAL CHARACTERISTICS THD+N (%) THD+N (%) THD+N (%) THD+N (%) THD+N vs. Frequency THD+N (%) 0.1 100 1k 10k 20k Frequency (Hz) 0.01 VDD=5V RL=3Ω POUT=1.8W BTL AVD=20dB AVD=6dB THD+N vs. Frequency THD+N (%) 0.1 100 1k 10k 20k Frequency (Hz) 0.01 VDD=5V AV=6dB RL=3Ω BTL POUT=0.9W POUT=1.8W

UNISONIC TECHNOLOGIES CO., LTD 9 of 12 www.unisonic.com.tw Q W - R 5 0 2 - 2 0 1 . A „ TYPICAL CHARACTERISTICS THD+N (%) THD+N (%) THD+N (%) THD+N (%) +12 +20 100 1k 100k 200k Frequency (Hz) Frequency Response 20k +16 +330 +320 +310 +300 +190 +180 +170 +160 VDD=5V RL=4Ω POUT=0.8W BTL Amplitude(20dB) Phase(20dB) Amplitude(6dB) Phase(6dB) +14 100 1k 100k 200k Frequency (Hz) -10 Frequency Response 10k +10 +220 +210 +200 +190 +180 +170 +165 Amplitude(14dB) Phase(14dB) Amplitude(0dB) Phase(0dB) VDD=5V RL=32Ω CO=1000µF POUT=300mW SE

UNISONIC TECHNOLOGIES CO., LTD 10 of 12 www.unisonic.com.tw Q W - R 5 0 2 - 2 0 1 . A „ TYPICAL CHARACTERISTICS(Cont.) Crosstalk vs. Frequency 100 1k 10k 20k Frequency (Hz) -120 VDD=5V RL=4Ω POUT=1.5W BTL Right to Left Left to Right-110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 Crosstalk vs. Frequency 100 1k 10k 20k Frequency (Hz) -100 VDD=5V RL=32Ω CO=1000µF POUT=65mW SE Right to Left Left to Right -90 -80 -70 -60 -50 -40 -30 -20 -10 Output Noise Voltage vs. Frequency Output Noise Voltage(V) 20 100 1k 10k 20k Frequency (Hz) Filter BW<22KHz A-Weight10u 20u 100u VDD=5V AV=6dB RL=4Ω BTL Output Noise Voltage vs. Frequency Output Noise Voltage(V) 20 100 1k 10k 20k Frequency (Hz) Filter BW<22KHz 10u 20u 100u VDD=5V AV=0dB RL=32Ω SE A-Weight PSRR vs. Frequency 20 100 1k 10k 20k Frequency (Hz) -100 -50 -40 -90 -80 -70 -60 -30 -20 -10 PSRR vs. Frequency 20 100 1k 10k 20k Frequency (Hz) -100 -50 -40 -90 -80 -70 -60 -30 -20 -10 VDD=5V RL=32Ω VIN=200mV AV=14dB SE VDD=5V RL=4Ω VIN=200mV AV=20dB BTL

UNISONIC TECHNOLOGIES CO., LTD 11 of 12 www.unisonic.com.tw Q W - R 5 0 2 - 2 0 1 . A „ TYPICAL CHARACTERISTICS(Cont.) Shutdown Attenuation(dB) Gain (dB) Supply Current(mA) Power Dissipation (W) Output Power(W) Power Dissipation vs. Output Power Power Dissipation (W) 0 250 100 120 200 140 160 180 50 100 150 200 RL=16Ω RL=8Ω RL=32Ω

UNISONIC TECHNOLOGIES CO., LTD 12 of 12 www.unisonic.com.tw Q W - R 5 0 2 - 2 0 1 . A UTC 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 UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.