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LM4949 датащи(PDF) 12 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали LM4949
подробное описание детали  Stereo Class D Audio Subsystem with OCL Headphone Amplifier
PDF  40 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4949 датащи(HTML) 12 Page - National Semiconductor (TI)

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Electrical Characteristics V
DD = 5.0V (Notes 1, 2) The following specifications apply for AV = 0dB,
RL(SP) =15µH+8
Ω + 15µH, R
L(HP) =32
Ω, f = 1kHz unless otherwise specified. Limits apply for T
A = 25˚C. (Continued)
Symbol
Parameter
Conditions
LM4949
Units
(Limits)
Typical
Limit
(Note 6)
(Notes 7, 8)
A
V
Gain
Volume Control
Minimum Gain
Maximum Gain
–57
18
dB
dB
LS Second Gain Stage
Step 0
Differential Input
Single-Ended Input
6
12
dB
dB
Step 1
Differential Input
Single-Ended Input
4
10
dB
dB
Step 2
Differential Input
Single-Ended Input
8
2
dB
dB
Step 3
Differential Input
Single-Ended Input
0
6
dB
dB
HP Second Gain Stage
Step 0
Step 1
Step 2
0
–6
–12
dB
dB
dB
Mute
Mute Attenuation
Speaker Mode
–102.7
dB
Headphone Mode
–123
dB
CMRR
Common Mode Rejection Ratio
Speaker Mode, f = 1kHz,
V
IN = 200mVP-P
64.4
dB
OCL Headphone Mode, f = 1kHz,
V
IN = 200mVP-P
74.3
dB
PSRR
Power Supply Rejection Ratio
Differential Input Mode, V
RIPPLE = 200mVP-P
OCL HP Mode, f = 217Hz
68.3
dB
OCL HP Mode, f = 1kHz
67.9
dB
LS Mode, f = 217Hz
73.8
dB
LS Mode, f = 1kHz
72
dB
PSRR
Power Supply Rejection Ratio
Single-Ended Input Mode, V
RIPPLE = 200mVP-P
OCL HP Mode, f = 217Hz
70.55
dB
OCL HP Mode, f = 1kHz
63.05
dB
LS Mode, f = 217Hz
64.6
dB
LS Mode, f = 1kHz
70.3
dB
PSRR
Power Supply Rejection Ratio
All Inputs ON, Single-Ended Input Mode, V
RIPPLE = 200mVP-P
OCL HP Mode, f = 217Hz
63.1
dB
OCL HP Mode, f = 1kHz
66.4
dB
LS Mode, f = 217Hz
59.1
dB
LS Mode, f = 1kHz
69.3
dB
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