LC7537 Sanyo Semicon Device, LC7537 Datasheet - Page 2

• Manufacturer Part Number: LC7537
• Description: Electronic Volume Control System for Audio Equipment
• Manufacturer: Sanyo Semicon Device

Pin Assignments
Equivalent Circuit Block Diagram
Specifications
Absolute Maximum Ratings
Allowable Operating Conditions at Ta = 25°C, V
Note: 1. A1000 pF or larger capacitor should be added on between each individual power supply terminal and V
Maximum supply voltage
Input supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Supply voltage *1
Input high–level voltage
Input low–level voltage
Input signal amplitude
Input pulse width
setup time
Hold time
Operating frequency
2. When the microcomputer side control signals rise faster than V
3. When mounting the QIP package on the board, do not dip the entire package in solder. Only the LC7537NE may be dipped directly in solder during
the DI, CLK, and CE lines.
mounting.
Item
Item
V
V
V
V
Pd max
Topr
Tstg *3
V
V
V
V
V
V
V
tø
t
t
f
set up
hold
opg
DD
CC
I1
I2
DD
CC
IH1
IH2
IL1
IL2
IN
W
– V
– V
*2
max
*2
at Ta = 25°C, V
Symbol
Symbol
EE
EE
max
LC7537N, 7537AN, 7537NE
V
V
DI, CLK, CE
INIT
Ta ≤ 85˚C, (LC7537N, 7537AN)
Ta ≤ 85˚C, (LC7537NE)
V
DI, CLK, CE
INIT
DI, CLK, CE
INIT
SS
DD
CC
EE
= 0 V, V
, V
≥ –7.5 V
: V
EE
SS
DD
DD
: V
= 0 V, V
≥ V
for the LC7537, a 2 kΩ or higher resistor should be inserted midway on each of
EE
Condition
Condition
CC
DD
≥ –8 V
= ≥ V
DD
= ≥ V
CC
> V
CC
SS
> V
≥ V
16
V
V
V
200
300
–40 to +85
–50 to +125
4.5 to 15
4.5 to 5.5
0.8 V
0.8 (V
V
V
V
1 min
1 min
1 min
up to 330
SS
SS
SS
SS
EE
EE
SS
EE
– 0.3 to V
– 0.3 to V
– 0.3 to V
to 0.2 V
to 0.2 (V
to V
CC
DD
≥ V
SS
to V
DD
.
– V
EE
CC
CC
EE
DD
SS
DD
DD
) + V
– V
Rating
Rating
+ 7
+ 0.3
+ 0.3
EE
EE
) + V
to V
DD
EE
No. 2169-2/11
V
mW
Unit
mW
Unit
kHz
˚C
˚C
µs
µs
µs
V
V
V
V
V
V
V
V
V
V
P-P