參數(shù)資料
型號： BH7800K
廠商： Rohm CO.,LTD.
英文描述： Single chip Hi-Fi audio signal processor
中文描述： 單芯片Hi - Fi音頻信號處理器
文件頁數(shù)： 3/13頁
文件大?。?/td> 174K
代理商： BH7800K
3
Video ICs
BH7800K
Pin descriptions
Pin No.
Pin name
Format
Voltage
Function
2, 1, 3
TUNER IN L, R, M
150k
0.0V
Tuner input (L, R, M)
4
Hi-Fi ALC
EF (NPN) ~ 200
0.0V
ALC time constant setting for Hi-Fi audio
5
SCL
B (PNP)
—
CLOCK input for SSB control
6
SDA
B (PNP)
—
—
DATA input for SSB bus control
7
GNDD
GND for serial control
8
FSC IN
200k
0.0V
9, 25
NR TC L, R
—
—
—
—
– 5.0V
f
SC
input for VCO and BPF adjustment
12, 22
DC FB L, R
23k
0.0V
PNR operating reference potential point
15
GNDM
—
0.0V
GND for PNR, MODEM and BPF
16
BPF f
0
ADJ
EF (NPN) ~ 200
1.9V
Center frequency adjustment for FM BPF
17
VCO f
0
ADJ
EF (NPN)
2.5V
VCO control current setting
18
VCCM
—
5.0V
V
CC
for MODEM and BPF
19
FM ALC
EF (NPN) ~ 2.5k
0.0V
FM ALC time constant setting
20
AHSWP IN
B (PNP)
—
Audio head switching pulse input
26
NORMAL IN
100k
0.0V
Normal input
28
MIX OUT
EF (NPN)
0.0V
Mixer amplifier output for RF converter
30, 29
LINE L, R OUT
330
0.0V
Line output
31
NORMAL OUT
EF (P-P)
0.0V
Normal output
32
MUTE CTRL
3k
( > 2.5V)
—
Line output mute control input
34, 33
LINE2 L, R IN
150k
10k
0.0V
Line2 input (L, R)
36
V
CC
—
5.0V
V
CC
regulator
37
ERP
C (NPN)
5.0V
V
CC
regulator error output
38
GND
—
0.0V
I / O switch GND
39
V
EE
—
– 5.0V
V
EE
regulator
41, 40
LINE1 IN L, R
150k
0.0V
LINE1 input (L, R)
42
ERM
C (PNP)
– 5.0V
V
EE
regulator error output
44, 43
BS IN L, R
150k
0.0V
BS input (L, R)
PNR attack and recovery time setting
Attack R: 530
, Recovery R: 6.5k
Waiting characteristic, treble time constant (external C = 0.0047
μ
F)
NR emphasis time constant setting
(External C = 0.0047
μ
F)
10, 24
WTNG L, R
0.0V
11, 23
NR EMPH L, R
0.0V
13
FM PB IN
100k
0.0V
Playback FM input 1320mV
P-P
Typ.
Input coupling capacitor (GND ~ V
CC
)
21
FM REC OUT
EF (NPN) ~ 200
3.3V
EE: recording FM output , sine wave output
PB: FM BPF output monitor
27
MIX ALC
EF (NPN) ~ 500
– 5.0V
ALC time constant setting for mixer amplifier
Attack and recovery time setting
35
VREFP
2.5V
V
CC
/ 2 reference voltage (power on detect and pre-charge functions)
14
/ ADJ FLAG
/ Hi-Fi DET
ENVE OUT
EE: 50k
EE: 0.8V
PB: 1.0V
PB, ADJ: EF (NPN)
FM Lch signal component envelope output
/ Hi-Fi DET output / ADJ FLAG output for ADJ
Note: EF: emitter follower, P-P: push pull, B: base, and C: collector.
All numerical values are standardized values.
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BH7823AFVM-E2 功能描述:IC AMP AUDIO .5W MONO AB 8MSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:AB 類 輸出類型:2 通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:- 電源電壓:4 V ~ 18 V 特點(diǎn):- 安裝類型:通孔 供應(yīng)商設(shè)備封裝:8-DIP 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件
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