CS8190 datasheet(9/12 Pages) ONSEMI

9 / 12 page

CS8190

http://onsemi.com

GND

COSINE

SINE

CCP

Speedo

Input

Battery

Air Core

Gauge

200

Ω

CP+

CP–

SQOUT

F/VOUT

VREG

GND

SINE+

SINE–

BIAS

FREQIN

GND

COS+

COS–

VCC

Speedometer

CS8441

Odometer

Air Core

Stepper

Motor

200

Ω

Trim Resistor

± 20 PPM/°C

243 k

Ω

0.1

µF

1.0 A

600 PIV

3.9,

500 mW

10 k

Ω

3.0 k

Ω

1.0 k

Ω

0.0033

µF

0.47

µF

0.1

µF

50 V,

500 mW

Zener

Figure 10. Speedometer With Odometer or Tachometer Application

± 30 PPM/°C

Notes:

1. C2 = 10

µF with CS8441 application.

2. The product of C4 and RT have a direct effect on gain and therefore directly affect temperature compensation.

3. C4 Range; 20 pF to 0.2

µF.

4. R4 Range; 100 k

Ω to 500 kΩ.

5. The IC must be protected from transients above 60 V and reverse battery conditions.

6. Additional filtering on the FREQIN lead may be required.

7. Gauge coil connections to the IC must be kept as short as possible (

≤ 3.0 inch) for best pointer stability.

µF

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