QS7785PF 查看數據表（PDF） - Nippon Precision Circuits
零件编号
产品描述 (功能)
生产厂家
QS7785PF Datasheet PDF : 15 Pages
| |||
PIN DESCRIPTION
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Name
Parallel
Serial
QXCC4
QXDC1
QXDC2
QXDC3
QXDC4
GND
VDD
P/S
SP
–
–
STRB
MONO
AC
BYP
–
–
SDA
SUR
–
–
SCL
BASS
MUTE
PSAVE
VREFOUT
NC
VREFIN
LPC
CIN
COUT
SLOUT
SROUT
FLOUT
FROUT
QXBC4
QXBC3
QXBC2
QXBC1
VCC
QXAC4
QXAC3
QXAC2
QXAC1
BASC1
QS7785PF/CF
I/O
Description
O QEXPANDER C capacitor 4
I QEXPANDER D capacitor 1
O QEXPANDER D capacitor 2
I QEXPANDER D capacitor 3
O QEXPANDER D capacitor 4
– Ground
– 4.5 to 5.5V digital supply
I Input mode control (HIGH: parallel, LOW: serial)
I Enhancement control (HIGH: high spread, LOW: low spread)
I Serial data strobe (not applicable to QS7785CF)
I Mono-to-stereo convert select (HIGH: mono to stereo mode, LOW: normal mode)
I Center output control (HIGH: center on, LOW: center off)
I Bypass control (HIGH: bypass, LOW: Qsurround)
I/O Serial data input (also serves as ACK signal output for I2C bus)
I Surround speaker control (HIGH: surround speaker on, LOW: off)
I Serial clock signal input
I Bass boost mode control (HIGH: bass boost on, LOW: bass boost off)
I Mute signal control (HIGH: mute on, LOW: mute off)
I Power save control (HIGH: power save on, LOW: power save off)
O VCC/2 reference voltage output
– No connection
I VCC/2 reference voltage output (biased internally to VCC/2)
I Center output lowpass filter
I COUT output signal feedback input for front-channel output
O Center signal output
O Surround left-channel signal output
O Surround right-channel signal output
O Front left-channel signal output
O Front right-channel signal output
O QEXPANDER B capacitor 4
I QEXPANDER B capacitor 3
O QEXPANDER B capacitor 2
I QEXPANDER B capacitor 1
– 5 to 13V DC analog supply
O QEXPANDER A capacitor 4
I QEXPANDER A capacitor 3
O QEXPANDER A capacitor 2
I QEXPANDER A capacitor 1
I Bass boost right-channel signal input
NIPPON PRECISION CIRCUITS—3
Share Link: 