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參數(shù)資料
| 型號： | LC75421M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Electronic Volume Controller for Cars |
| 中文描述： | 汽車電子音量控制器 |
| 文件頁數(shù)： | 4/24頁 |
| 文件大小： | 392K |
| 代理商： | LC75421M |
No. 6866-4/24
LC75421M
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
DD
max
V
DD
CE, DI, CL
11
V
Maximum input voltage
V
IN
max
–0.3 to 11
V
Input pins other than CE, DI, CL
Ta
≤
85°C, when mounted on board
V
SS
– 0.3 to V
DD
+ 0.3
Allowable power dissipation
Pdmax
550
mW
Operating temperature
Topr
–40 to +85
°C
Storage temperature
Tstg
–50 to +125
°C
Specifications
Absolute Maximum Ratings
at Ta = 25°C, V
SS
= 0 V
Parameter
Symbol
Pin Name
Conditions
Ratings
Unit
min
typ
max
Supply voltage
V
DD
V
IH
V
IL
V
DD
CL, DI, CE
7.5
10
V
Input high-level voltage
4.0
10
V
Input low-level voltage
CL, DI, CE
V
SS
1.0
V
CL, DI, CE, LIN, RIN,
L1 to L5, R1 to R5,
LFIN, RFIN
Input amplitude voltage
V
IN
V
SS
V
DD
Vp-p
Input pulse width
tW
CL
1
μs
Setup time
tsetup
CL, DI, CE
1
μs
Hold time
thold
CL, DI, CE
1
μs
Operating frequency
fopg
CL
500
kHz
Allowable Operating Ranges
at Ta = –40 to +85°C, V
SS
= 0 V
Parameter
Symbol
Pin Name
Conditions
Ratings
Unit
min
typ
max
Maximum input gain
Ginmax
+18.75
dB
Step resolution
Gstep
+1.25
dB
Input resistance
Rin
L1, L2, L3, L4, L5
R1, R2, R3, R4, R5
50
k
Clipping level
Vcl
LSELO, RSELO
THD = 1.0%, f = 1 kHz
2.90
Vrms
k
Output load resistance
RL
LSELO, RSELO
10
Electrical Characteristics
at Ta = 25°C, V
DD
= 8 V, V
SS
= 0 V
Parameter
Symbol
Pin Name
Conditions
Ratings
Unit
min
typ
max
Input resistance
Rin
LIN, RIN
50
k
Volume Block
Parameter
Symbol
Pin Name
Conditions
Ratings
Unit
min
typ
max
STEP = 0 dB to –20 dB
2
Step resolution
ATstep
STEP = –20 dB to –25 dB
5
dB
STEP = –25 dB to –45 dB
10
Step error
ATerr
STEP = 0 dB to –45 dB
–2
0
+2
dB
STEP = –45 dB to –60 dB
–3
0
+3
Output load resistance
RL
10
k
Output impedance
R
O
LFOUT, LROUT
RFOUT, RROUT
RL = 10 k
, f = 1 kHz
V
IN
= 1 Vrms
46
Fader Volume Block
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