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UPC1857ACT Datasheet(PDF) 13 Page - NEC

Part # UPC1857ACT
Description  SOUND CONTROL IC WITH SURROUND AND I2C BUS
PDF  44 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPC1857ACT Datasheet(HTML) 13 Page - NEC

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13
µµµµPC1857A
Table 1-1. Pin Function List (7/7)
Pin Number
Pin Name
Equivalent Circuit
Description
28
LF1
VCC
18 k
Ω
5 k
Ω
5 k
Ω
680 pF
28
Low-pass filter.
Pin voltage: approx. 6.0 V
29
MFO
Filter output pin for surround
function (simulated mode) (see 4.3
Surround Function).
Pin voltage: approx. 6.0 V
30
MFI
Filter input pin for surround function
(simulated mode) (see 4.3
Surround Function).
Pin voltage: approx. 6.0 V
Remark Pin voltage is the reference value when VCC = 12 V.
VCC
VCC
47 k
15 k
18 k
1 k
820 k
0.082 F
29
30
µ



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