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LM4936 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM4936
Description  Stereo 2W Audio Power Amplifiers with Volume Control and Selectable Control Interface (SPI or I2C)
PDF  28 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4936 Datasheet(HTML) 4 Page - National Semiconductor (TI)

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Electrical Characteristics for Control Interface (Notes 7, 10) (Continued)
The following specifications apply for V
DD = 5V, VDD = 3V and 2.4V
≤ I2C/SPI V
DD
≤ 5.5V. Limits apply for T
A = 25˚C.
Symbol
Parameter
Conditions
LM4936
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
V
IH
Digital Input High Voltage
0.7 X
I
2C/SPIV
DD
V (min)
V
IL
Digital Input Low Voltage
0.3 X
I
2C/SPIV
DD
V (max)
t
ES
SPI ENABLE Setup Time
50
ns (min)
t
EH
SPI ENABLE Hold Time
50
ns (min)
t
EL
SPI ENABLE High Time
50
ns (min)
t
DS
SPI DATA Setup Time
50
ns (min)
t
DH
SPI DATA HOLD Time
50
ns (min)
t
CS
SPI CLOCK Setup Time
50
ns (min)
t
CH
SPI CLOCK High Pulse Width
100
ns (min)
t
CL
SPI CLOCK Low Pulse Width
100
ns (min)
f
CLK
SPI CLOCK Frequency
5
MHz (max)
Electrical Characteristics for Single-Ended Mode Operation (Notes 7, 10)
The following specifications apply for V
DD = 5V. Limits apply for TA = 25˚C.
Symbol
Parameter
Conditions
LM4936
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
P
O
Output Power
THD = 1%; f = 1kHz; R
L =32
Ω
90
mW
THD=10%;f=1 kHz; R
L =32
Ω
110
mW
THD+N
Total Harmonic Distortion+Noise
P
OUT = 20mW, f = 1kHz, RL =32
Ω,
A
VD = 1, 80kHz BW
0.02
%
PSRR
Power Supply Rejection Ratio
C
B = 1µF, f = 120Hz,
Input Terminated
V
RIPPLE = 200mVp-p
57
dB
N
OUT
Output Noise
A-Wtd Filter
18
µV
X
talk
Channel Separation (Note 17)
f = 1kHz, C
B = 1µF
63
dB
Electrical Characteristics for Bridged Mode Operation (Notes 7, 10)
The following specifications apply for V
DD = 5V, unless otherwise noted. Limits apply for TA = 25˚C.
Symbol
Parameter
Conditions
LM4936
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
V
OS
Output Offset Voltage
V
IN = 0V, No Load
10
50
mV (max)
P
O
Output Power
THD+N=1%;f= 1kHz; R
L =3
Ω
(Note 8)
2.2
W
THD+N=1%;f= 1kHz; R
L =4
Ω
(Note 9)
2W
THD+N = 1% (max); f = 1kHz;
R
L =8
Ω
1.25
1.0
W (min)
THD+N = 10%; f = 1kHz; R
L =8
Ω
1.6
W
THD+N
Total Harmonic Distortion+Noise
P
O = 0.4W, f = 1kHz
R
L =8
Ω,A
VD = 2, 80kHz BW
0.06
%
PSRR
Power Supply Rejection Ratio
C
B = 1µF, f = 120Hz,
Input Terminated
V
RIPPLE = 200mVp-p; RL =8
Ω
55
dB
www.national.com
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