KL7496L Datasheet, PDF (3/8 Pages) IK Semicon Co., Ltd – NO BOUCHEROT CELL

KL7496L
ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
eN
Total Output Noise
f = 20Hz to 22KHz
Play, max volume
f = 20Hz to 22KHz
Play, max attenuation
f = 20Hz to 22KHz
Mute
SR
Slew Rate
Min
Typ
Max Unit
500
800 µV
100
250 µV
60
150 µV
5
8
V/µs
R_i
Input Resistance
22.5
30
R_{Var Out}
Variable Output Resistance
30
R_{load Var Out} ^{Variable Output Load}
2
SVR
Supply Voltage Rejection
f = 1kHz, max volume
35
39
C_SVR = 470µF, V_RIP = 1Vrms
f = 1kHz, max attenuation
55
65
C_SVR = 470µF, V_RIP = 1Vrms
T_M
Thermal Muting
150
T_s
Thermal Shut-down
160
KΩ
100 Ω
KΩ
dB
dB
ºC
ºC
MUTE STAND-BY & INPUT SELECTION FUNCTIONS
V_{ST ON}
Stand-by ON Threshold
3.5
V
V_{ST OFF}
Stand-by OFF Threshold
1.5
V
V_{M ON}
Mute ON Threshold
3.5
V
V_{M OFF}
Mute OFF Threshold
1.5
V
IqST-BY
Quiescent Current @
Stand-by
0.6
1
mA
AMUTE
Mute Attenuation
50
65
dB
IstbyBIAS
Stand-by bias current
Stand by on VST-BY = 5V
VMUTE = 5V
80
µA
µA
Play or Mute
-20
-5
µA
ImuteBIAS
Mute bias current
Mute
1
5
µA
Play
0.2
2
µA
APPICATION SUGGESTIONS
The recommended values of the external components are those shown on the application circuit of figure 1A.
Different values can be used, the following table can help the designer.
COMPONENT SUGGESTION
VALUE
PURPOSE
R1
300K
Volume control circuit
R2
10K
Mute time constant
P1
50K
Volume control circuit
C1
1000µF
Supply voltage bypass
C2
470nF
Input DC decoupling
C3
470nF
Input DC decoupling
C4
470µF
Ripple rejection
C5
100nF
Volume control time
constant
C6
1000µF
Output DC decoupling
C7
1µF
Mute time constant
C8
1000µF
Output DC decoupling
C9
100nF
Supply voltage bypass
LARGER THAN
SUGGESTION
Larger volume regulation
time
Larger mute on/off time
Lower low frequency cutoff
Lower low frequency cutoff
Better SVR
Larger volume regulation
time
Lower low frequency cutoff
Larger mute on/off time
Lower low frequency cutoff
SMALLER THAN
SUGGESTION
Smaller volume regulation
time
Smaller mute on/off time
Danger of oscillation
Higher low frequency cutoff
Higher low frequency cutoff
Worse SVR
Smaller volume regulation
time
Higher low frequency cutoff
Smaller mute on/off time
Higher low frequency cutoff
Danger of oscillation
Rev. 01