GL6850 datasheet(3/3 Pages) HYNIX

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GL6850

PIN DESCRIPTION

PIN NUMBER

PIN FUNCTION

DESCRIPTION

PIN 1

VCC

Operating supply D.C. voltage rectified from ringing signal.

PIN2

TRIG_IN

Oscillator External Trigger/Inhibit pin (must beconnected through

a current limiting resistor, which is used to program the slope of

supply current vs voltage.)

PIN3

LOWOSC_1

PIN 4

LOWOSC_2

Low Frequency Time Constant Adjustment pins fL is controlled

externally by R2 and C2

fL = 1/1.289R2C2

PIN 5

GND

Ground

PIN 6

HIGHOSC_1

PIN 7

HIGHOSC_2

High Frequency Time Constant Adjustment Pins fH1 and fH2 are

controlled externally by R3 and C3.

fH1=1/1.504R3C3, fH2 = 1/1.203R3C3

PIN 8

OUTPUT

Tone output

APPLICATON CIRCUIT

100K-200K

1300 : 8 ohm

TIP

RING

15K

10K

VOLUME

C1 = 0.9uF

C2 = 0.47uF

C3 = 6.8nF

C4 = 22uF / 35V

C5 = 0.22uF

D1 = 29 V ZD

R1 = 560 ohm

R2 = 165 kohm

R3 = 191 kohm

GL 6850

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