LC75421

Manufacturer Part NumberLC75421
DescriptionElectronic Volume Controller for Cars
ManufacturerSanyo Semiconductor Corporation
LC75421 datasheet
 
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Specifications

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Specifications

Absolute Maximum Ratings at Ta = 25°C, V
Parameter
Maximum supply voltage
Maximum input voltage
Allowable power dissipation
Operating temperature
Storage temperature
Allowable Operating Ranges at Ta = –40 to +85°C, V
Parameter
Symbol
Supply voltage
V
DD
Input high-level voltage
V
IH
Input low-level voltage
V
IL
Input amplitude voltage
V
IN
Input pulse width
tøW
Setup time
tsetup
Hold time
thold
Operating frequency
fopg
Electrical Characteristics at Ta = 25°C, V
Parameter
Symbol
Maximum input gain
Ginmax
Step resolution
Gstep
Input resistance
Rin
Clipping level
Vcl
Output load resistance
RL
Volume Block
Parameter
Symbol
Input resistance
Rin
Fader Volume Block
Parameter
Symbol
Step resolution
ATstep
Step error
ATerr
Output load resistance
RL
Output impedance
R
O
LC75421M
= 0 V
SS
Symbol
Conditions
V
max
V
DD
DD
CE, DI, CL
V
max
IN
Input pins other than CE, DI, CL
Ta ≤ 85°C, when mounted on board
Pdmax
Topr
Tstg
= 0 V
SS
Pin Name
Conditions
V
DD
CL, DI, CE
CL, DI, CE
CL, DI, CE, LIN, RIN,
L1 to L5, R1 to R5,
LFIN, RFIN
CL
CL, DI, CE
CL, DI, CE
CL
= 8 V, V
= 0 V
DD
SS
Pin Name
Conditions
L1, L2, L3, L4, L5
R1, R2, R3, R4, R5
LSELO, RSELO
THD = 1.0%, f = 1 kHz
LSELO, RSELO
Pin Name
Conditions
LIN, RIN
Pin Name
Conditions
STEP = 0 dB to –20 dB
STEP = –20 dB to –25 dB
STEP = –25 dB to –45 dB
STEP = 0 dB to –45 dB
STEP = –45 dB to –60 dB
LFOUT, LROUT
RL = 10 kΩ, f = 1 kHz
RFOUT, RROUT
V
= 1 Vrms
IN
Ratings
Unit
11
V
–0.3 to 11
V
V
– 0.3 to V
+ 0.3
SS
DD
550
mW
–40 to +85
°C
–50 to +125
°C
Ratings
Unit
min
typ
max
7.5
10
V
4.0
10
V
V
1.0
V
SS
V
V
Vp-p
SS
DD
1
µs
1
µs
1
µs
500
kHz
Ratings
Unit
min
typ
max
+18.75
dB
+1.25
dB
50
kΩ
2.90
Vrms
10
kΩ
Ratings
Unit
min
typ
max
50
kΩ
Ratings
Unit
min
typ
max
2
5
dB
10
–2
0
+2
dB
–3
0
+3
10
kΩ
46
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