SAE800 datasheet(7/14 Pages) INFINEON

Part #	SAE800

Description	Programmable Single-/Dual-/Triple- Tone Gong

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Manufacturer	INFINEON [Infineon Technologies AG]

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Semiconductor Group

7

Application Hints and Application Circuit

1) Loudness Resistor (max. Load Current of 3-Tone Signal with Ensured Ratio of Amplitudes)

0.8

V

S / RQ ≈ (VL / RL) x K

R

L = (VL / 0.8 VS) x RQ x K; K = 4800

Example:

R

Q = 8 Ω; VS = 5 V; VL = 1.2 V

R

L = (1.2 / 4) x 8 Ω x 4800 ≈ 12 kΩ

2) Oscillator Elements

R

R , CC

f = 5 / 8 x 1 / (R

R x CC)

Example:

f = 13.2 kHz; C

C = 4.7 nF

R

R = 5 / (8 x 13.2 x 4.7) x 10

6

Ω≈ 10 kΩ

The following is a typical application circuit

Application Circuit

SAE 800

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