參數(shù)資料
型號: AN7500FHQ
廠商: PANASONIC CORP
元件分類: 消費(fèi)家電
英文描述: aUDIO SIGNAL PROCESSING ic FOR 1.5 v HEADPHONE STEREO
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 MM, PLASTIC, LQFP-48
文件頁數(shù): 9/16頁
文件大?。?/td> 144K
代理商: AN7500FHQ
ICs for Radio-Cassette, Cassette Deck
AN7500FHQ
9
Pin No.
Equivalent circuit
Description
Waveform/voltage
(at V
CC
=
1.2 V)
8
Pin 8: SB out (R)
Pin 29: SB out (L):
Sub-buffer amp. output
When pin 10 is open or of high
voltage and output is connected to
V
REF
with 100 k
, the buffer amp.
does not operate.
At SB on
R
O
=
160
(typ.)
At SB off
R
IN
=
100 k
(typ.)
DC 0.78 V
29
9
Pin 9: SB in (R)
Pin 28: SB in (L):
Sub-buffer amp. input
R
IN
=
86 k
(typ.)
DC 0.78 V
28
10
SB CNT:
Sub-buffer amp. on/off control
SB off
Pin open or high voltage:
0.8 V
<
V
10-19
<
V
CC
+
0.3 V
SB on
Low voltage:
0.3 V
<
V
10-19
<
0.4 V
R
IN
=
6 k
DC 0.78 V
11
L-BST CNT:
Low boost on/off control
L-BST on
Pin open
L-BST off
Low voltage:
0.3 V
<
V
10-19
<
0.3 V
DC 0 V
I
Terminal Equivalent Circuits (continued)
86
k
160
100 k
V
RPF
V
REF
GND
V
RPF
GND
V
REF
Pin 8
29
Pin 9
28
20 k
20 k
50 k
20 k
V
RPF
GND
10
11
10 k
50 k
50 k
V
RPF
GND
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