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| UTC U2429 SERIAL DATA CONTROL DUAL ELECTRONIC VOLUME DESCRIPTION The UTC U2429 is a dual channel electronic volume controlled with 2-wire serial data. The built-in reference circuit can compose of an electronic volume with less external parts. CMOS IC SOP-8 FEATURES * Built-in reference circuit * Control with serial data Volume 0 ~ -83dB (1dB/step), - (Independent control is allowed in each channel) * Low noise and low distortion VNO = 5Vrms (ATT = -) THD = 0.01% Typ. (V0 = 0.5Vrms) DIP-8 PIN CONFIGURATION VIN1 VOUT1 GND DATA 1 2 3 4 8 7 6 5 VIN2 VOUT2 VCC CLOCK PIN DESCRIPTION PIN No. 1 2 3 4 5 6 7 8 PIN NAME VIN 1 VOUT1 GND DATA CLOCK VCC VOUT2 VIN2 FUNCTION 1-ch input pin 1-ch output pin Ground pin Control data input pin. Inputs data in synchronization with clock. Clock input pin for transferring serial data. Power supply pin. Stabilize the pin with decoupling capacitor. 2-ch output pin 1-ch input pin UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R502-031,A UTC U2429 BLOCK DIAGRAM VIN2 8 VOUT2 7 VCC 6 CMOS IC CLOCK 5 VR 2 + VOL AMP 2 + VOL AMP 1 REF AMP Vref - LOGIC CONTROL VR 1 + 1 VIN1 2 VOUT1 3 GND 4 DATA ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation DIP-8 SOP-8 Operating Temperature Storage Temperature SYMBOL VCC, VDD PD Topr Tstg RATINGS 6.0 UNIT V mW 625 440 -20 ~ +75 -55 ~ +125 RECOMMENDED OPERATING CONDITIONS PARAMETER Supply voltage range Rated supply voltage SYMBOL Vcc Vcc RATINGS 4.5 ~ 5.5 5 UNIT V V ELECTRICAL CHARACTERISTICS (VCC = 5V, Ta= 25, unless otherwise noted.) PARAMETER Circuit current Maximum attenuation Attenuation error Maximum input voltage Maximum output voltage Output noise voltage Total harmonic distortion Channel separation SYMBOL ICC ATT ATT VIM VOM VNO1 VNO2 THD CS TEST CONDITIONS ATT=- ATT=0 THD=1%, ATT=-6dB THD=1% ATT=0, Rg=0 ATT=-, Rg=0 f=1kHz, VO=0.5Vrms, ATT=0 f=1kHz MIN TYP 8 -90 0 1.7 1.3 4 5 0.01 -80 MAX 16 -80 2.0 -2.0 1.5 0.8 10 10 0.05 -70 UNIT mA dB dB Vrms Vrms Vrms Vrms % dB UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R502-031,A UTC U2429 DC CHARACTERISTICS OF DIGITAL BLOCK PARAMETER "L" level input voltage "H" level input voltage "L" level input current "H" level input current SYMBOL TEST CONDITIONS VIL Data, clock pin VIH VI=0 Data, clock pin IIL VI=5V IIH MIN 0 0.8VCC -10 CMOS IC TYP ~ ~ MAX 0.2VCC UNIT V V VCC 10 10 A A AC CHARACTERISTICS OF DIGITAL BLOCK PARAMETER Cycle time of clock Pulse width of clock ("H" level) Pulse width of clock ("L" level) Clock rising time Clock falling time Data setup time Data hold time SYMBOL tcr tWHC tWLC tr tf tSD tHD TEST CONDITIONS VDD=5V VDD=5V VDD=5V VDD=5V VDD=5V VDD=5V VDD=5V MIN 4 1.6 1.6 TYP MAX 0.4 0.4 0.8 0.8 UNIT s s s s s s s RELATIONSHIP BETWEEN DATA AND CLOCK CLOCK DATA D0 D1 D2 D3 Reads data signal at the rising edge of clock signal D8 D9 D10 Latch signal "H" Reads latch signal at the falling edge of clock UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R502-031,A UTC U2429 SYSTEM CONFIGURATION UTC U2429 CMOS IC 2ch IN VOLUME 1ch IN 2ch OUT 1ch OUT VOLUME LOGIC CONTROL DATA CLOCK CLOCK AND DATA TIMING tcr 75% CLOCK 25% tr tWHC tf tWLC DATA tSD tHD UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R502-031,A UTC U2429 DATA INPUT FORMAT D0 0/1 D1 0/1 D2 D3 D4 D5 VOLUME D6 D7 CMOS IC D8 D9 1 D10 1 0: Both channels at a time 1: A channel at a time 0:1CH 1:2CH VOLUME CODE ATT1 0dB -4dB -8dB -12dB -16dB -20dB -24dB -28dB -32dB -36dB -40dB -44dB -48dB -52dB -56dB -60dB -64dB -68dB -72dB -76dB -80dB D2 H L H L H L H L H L H L H L H L H L H L H L D3 L L H H L L H H L L H H L L H H L L H H L L D4 H H L L L L H H H H L L L L H H H H L L L L D5 L L L L L L H H H H H H H H L L L L L L L L D6 H H H H H H L L L L L L L L L L L L L L L L ATT2 0dB -1dB -2dB -3dB D7 H L H L D8 H H L L 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. UTC UNISONIC TECHNOLOGIES CO., LTD. 5 QW-R502-031,A |
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