參數(shù)資料
型號(hào)： LC75421M
元件分類： 音頻控制
英文描述： 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO36
封裝： 0.375 INCH, MFP-36
文件頁數(shù)： 19/24頁
文件大小： 392K
代理商： LC75421M
No. 6866-4/24
LC75421M
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
VDD
11
V
Maximum input voltage
VIN max
CE, DI, CL
–0.3 to 11
V
Input pins other than CE, DI, CL
VSS – 0.3 to VDD + 0.3
Allowable power dissipation
Pdmax
Ta
≤ 85°C, when mounted on board
550
mW
Operating temperature
Topr
–40 to +85
°C
Storage temperature
Tstg
–50 to +125
°C
Specifications
Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V
Parameter
Symbol
Pin Name
Conditions
Ratings
Unit
min
typ
max
Supply voltage
VDD
7.5
10
V
Input high-level voltage
VIH
CL, DI, CE
4.0
10
V
Input low-level voltage
VIL
CL, DI, CE
VSS
1.0
V
CL, DI, CE, LIN, RIN,
Input amplitude voltage
VIN
L1 to L5, R1 to R5,
VSS
VDD
Vp-p
LFIN, RFIN
Input pulse width
tW
CL
1
s
Setup time
tsetup
CL, DI, CE
1
s
Hold time
thold
CL, DI, CE
1
s
Operating frequency
fopg
CL
500
kHz
Allowable Operating Ranges at Ta = –40 to +85°C, VSS = 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
50
k
R1, R2, R3, R4, R5
Clipping level
Vcl
LSELO, RSELO
THD = 1.0%, f = 1 kHz
2.90
Vrms
Output load resistance
RL
LSELO, RSELO
10
k
Electrical Characteristics at Ta = 25°C, VDD = 8 V, VSS = 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
RO
LFOUT, LROUT
RL = 10 k
, f = 1 kHz
46
RFOUT, RROUT
VIN = 1 Vrms
Fader Volume Block
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