KL34018 IK Semicon Co., Ltd, KL34018 Datasheet
KL34018
Related parts for KL34018
KL34018 Summary of contents
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... LINEAR INTEGRATED CIRCUIT VOICE SWITCHED SPEAKER PHONE CIRCUIT DESCRIPTION The KL34018 speaker-phone integrated circuit incorporates the necessary functions to produce a high quality hands-free speaker-phone system. The applications include household and office speaker-phones, intercom systems, hand free kit for mobile phones, and others FEATURES • ...
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... TLI CP1 ACF AGC VB Vcc RTX RR RRX RXO SKI 4.3kΩ 91kΩ 30kΩ 18kΩ 47μF 47μF KL34018 TRANSMIT OUTPUT SIDE TONE SIDE TONE RECEIVE INPUT DC INPUT TELEPHONE LINE S1 T Hook Switch R 4700pF 47kΩ 3.3kΩ ...
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... Output of the receive attenuator. Normally this pin is ac coupled to the input of the speaker amp 27 RXI Input of the receive attenuator. Input impedance is nominally is 5.0k ohms 28 RRX A resistor to ground determines the nominal gain of the receive attenuator. The receive channel directly proportional to the RRX resistance DESCRIPTION CS pin is a logic "0". Input KL34018 Rev. 00 ...
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... GRX 40 44 GRI -20 -16 VRXO 1.8 2.3 VRXO IRXOL 75 ITXOH 1.0 RTXI 3.5 5.0 VACF 150 6.0 75 GSPK 33 34 RSKI 15 22 VSKO 2.4 3.0 VSKOH 5.5 VSKOL GMCI 32.5 34 RMCI 6.5 10 ITH 25 KL34018 MAX UNIT 9.0 mA 800 A 5.9 Vdc 150 MV 20 ohms 300 mV 3.3 Vdc ohms -12 dB 3.2 mV 100 mV A 3 3.6 ...
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... Speaker AMP Gain Microphone AMP Gain Microphone Amp Input Resistance Tx-Rx Switching Threshold (20 A) (continued) SYMBOL MIN TYP VXDC 0 4.0 ICP2 5.0 10 RXD 1.5 TXD 2.0 (-20 TO +60℃ ) PIN TYP CHANGE 16 -0.2 16 -0.4 20 +0.1 +-0.003 4,26 +-0.24 15,19 +-0.001 9,10 +-0.4 9 +0.4 5,7 +-0.2 KL34018 MAX UNIT Vdc Vdc UNIT %/ dB dB nA/ C Rev. 00 ...
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... RRX must be adjusted ( re-establish this value. This change will also increase the receive attenuator gain in the transmit mode by a similar amount. The resistor at TLI may also require changing to reset the sensitivity of KL34018 Volume Δ Vacf Mode Control No Effect 6 ...
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... The series resistor and capacitor at XDI (Pin 13) determine the sensitivity of the transmit detector circuit. Figure 10 indicates the change in DC voltage levels at CP2 and CP1 in response to a steady state sine wave KL34018 Rev. 00 ...
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... POWER SUPPLY The voltage supply for the KL34018 at V+ (Pin 16) should be in the range of 6 volts, although the supply. The required supply current, with no signal to the speaker, is shown in Figure 12. The upper curve indicates the normal operating current when - Chip Select (Pin 18 Logic " ...
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... KL34018 Rev. 00 ...
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... KL34018 Rev. 00 ...
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... The photographs of Figures 16 and 17 indicate experimentally obtained switching response times for the circuit of Figure 1. In Figure 16, the circuit is provided a continuous receive signal of 1.1 mVp-p at RXI (trace #3). A repetitive burst signal of 7.2 mVp-p, lasting 120 KL34018 Rev. 00 ...
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... All of the above mentioned times will change significantly by varying the amplitude of the input signals, as well as by varying the external components Idle Significant No effect Moderate No effect Moderate No effect Significant No effect Slight Moderate Slight Significant Slight Slight Significant Moderate No effect Moderate KL34018 Slight Slight Rev. 00 ...
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... A; for B ‑ 0.25 mm (0.010) per side. N SUFFIX PLASTIC DIP (MS - 001AB -T- SEATING PLANE SUFFIX SOIC (MS - 059AD SEATING PLANE KL34018 Dimension, mm Symbol MIN MAX A 35.10 39.70 B 12.32 14. .35 D 0.36 0.56 F 0.77 1.78 G 2.54 H 15.24 J 0° 10° 2.92 5 ...