UPC1876 datasheet(37/42 Pages) RENESAS

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µPC1876

Data Sheet S11666EJ4V0DS00

MEASURING CIRCUIT

Notes 1. Filter: 126XGS-7990Z, manufactured by Toko Co. Ltd.

2. Do not leave the Internally Connected (IC) pin open because it is a base-open pin. Connect this pin to VCC

or GND.

Remark Use the following for external parts.

Resistor (

∗) : Metal film resistor (±1%). Unless otherwise specified; ±5%

Capacitors (

∗∗) : Tantalum capacitor (±10%). Unless otherwise specified; ±20%

Variable resistors:

±10%

1 k

Ω

SAP

1 k

Ω

20 k

Ω

6.8 k

Ω

2.2 k

Ω

Rch

Lch

10 F

3.3 F

∗∗

51 k

Ω

100 k

Ω

51 k

Ω

50 k

Ω

5.1 k

Ω

3 k

Ω

1 F

0.1 F

47 F

10 F

1 F

∗56 kΩ

0.1 F

1.5 V pin

10 k

Ω

22 F

∗33 kΩ

∗47 kΩ

10 k

Ω

20 k

Ω

–

100 F

0.1 F

GND

VCC (9 V)

1 k

Ω

4.7 F

0.1 F

0.47 F

0.047 F

2.2 F

0.01 F

68 k

Ω

20 k

Ω

ATT

GND

465Z

(manufactured by

EIDEN Co. Ltd.)

OUT

PC842C

2/2

1 M

Ω

10 k

Ω

6.8 k

Ω

–

10 F

30 k

Ω

91 k

Ω

3 k

Ω

10 F

Note 1

Note 2

PC842C

1/2

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