lm48557tlx National Semiconductor Corporation, lm48557tlx Datasheet - Page 6

• Manufacturer Part Number: lm48557tlx
• Description: Mono, Bridge-tied Load, Ceramic Speaker Driver With I2c Volume Control And Reset
• Manufacturer: National Semiconductor Corporation

www.national.com
Symbol
PSRR
CMRR
f
SNR
∈
T
Symbol
SW
OS
WU
I
apply for R
2
V
V
V
I
C Interface Characteristics 1.7V
OH
6
5
1
7
OL
IH
IL
Logic Input High Threshold
Logic Input Low Threshold
Logic Output Low Threshold
Logic Output High Current
SCL Frequency
SDA Setup Time
SDA Stable Time
Start Condition Time
Stop Condition Time
Power Supply Rejection Ratio
(Figure 2)
Common Mode Rejection Ratio
(Figure 3)
Charge Pump Switching
Frequency
Signal To Noise Ratio
Output Noise
Wake Up Time
PU
= 1kΩ to I
Parameter
Parameter
2
CV
DD
, unless otherwise specified. Limits apply for T
V
Inputs AC GND, C
f
f
V
Inputs AC GND, C
f = 1kHz
f = 5kHZ
V
C
f
f
V
A
A
A
From shutdown
RIPPLE
RIPPLE
RIPPLE
RIPPLE
DD
DD
CM
OUT
V
V
V
SDA, SCL
SDA, SCL
SDA, I
SDA, SCL, I
IN
= 0dB, A-Weighted Filter
= 48dB, A-weighted Filter
= 0.1µF, A
= 48dB
= 4.2V + 200mV
= 4.2V + 200mV
= 200mV
= 5V
= 217Hz
= 1kHz
= 500Hz
= 1kHz
SDA
RMS
Conditions
= 3.6mA
≤
P-P
2
, f = 1kHz
V
I
Conditions
CV
2
= 48dB
CV
(sine),
DD
IN
IN
6
= 0.1µF, A
= 0.1µF, A
= 4.5V
P-P
P-P
DD
(sine),
(sine),
≤
4.5V (Notes 1, 2)
V
V
A
= 48dB
= 0dB
= 25°C.
0.7 x I
(Note 7)
Min
100
100
100
0
2
CV
(Note 7)
Min
230
DD
15
16
LM48557
(Note 6)
Typ
LM48557
250
(Note 6)
Typ
300
The following specifications
80
80
40
40
36
37
74
20
1
5
0.3 x I
(Note 7)
(Note 7)
Max
0.35
400
900
Max
370
2
2
30
CV
DD
Units
Units
kHz
kHz
mV
ms
dB
dB
dB
dB
dB
dB
dB
µV
µA
ns
ns
ns
ns
V
V
V