LM4930LQBD/NOPB National Semiconductor, LM4930LQBD/NOPB Datasheet - Page 14

• Manufacturer Part Number: LM4930LQBD/NOPB
• Manufacturer: National Semiconductor

Specifications of LM4930LQBD/NOPB

• Lead Free Status / Rohs Status: Compliant

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AI
V
V
V
THD+N
P
P
PSRR
SNR
(Voice)
SNR
(Music)
DR
(Voice)
DR
(Music)
SNR
DR
X
V
R
R
PB
Symbol
FS_LS
FS_HP
MIC_BIAS
OHP
OLS
TALK
MIC-IN
VDAC
VADC
Electrical Characteristics DV
(Notes 1, 2, 3) (Continued)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
ST
VDAC
ADC
ADC
Analog Standby Current
Full-Scale Output Voltage
(Mono speaker amplifier)
Full-Scale Output Voltage
(Headphone amplifier)
Mic Bias Voltage
Headphone Amplifier Total
Harmonic Distortion + Noise
Headphone Amplifier Output
Power
Mono Speaker Amplifier Output
Power
Power Supply Rejection Ratio
Signal-to-Noise Ratio
(Voice DAC Path)
Signal-to-Noise Ratio (Music
Audio Path)
Dynamic Range (Voice DAC Path) Signal = Vo at f = 1kHz
Dynamic Range (Music Audio
Path)
Signal-to-Noise Ratio
(Voice ADC Path)
Dynamic Range
(Voice ADC Path)
Stereo Channel-to-Channel
Crosstalk
Maximum Differential MIC Input
Voltage
Voice DAC Ripple
Voice ADC Ripple
Voice DAC Passband
Parameter
f
Output Mode = "0001" Standby Mode
CLASS = 0; 0dB gain setting; 8Ω BTL
load (Note 10)
0dB gain setting; 32Ω Stereo Load (Note
10)
f
THD+N = 0.5%, f
THD+N = 1%, f
C
C
V
Signal = Vo at f = 1kHz
32Ω Stereo Load; Noise = digital zero,
A-weighted; 0dB gain setting
Signal = Vo at f = 1kHz
32Ω Stereo Load; Noise = digital zero,
A-weighted; 0dB gain setting
32Ω Stereo Load; Noise for -60dBFS
digital input; A-weighted, 0dB gain setting
Signal = Vo at f=1kHz
Stereo Load; Noise for -60dBFS digital
input; A-weighted, 0dB gain setting
Reference signal = 0dBFS
MIC_P, MIC_N terminated with 10Ω to
ground;
A-weighted; 47dB MIC preamp gain
setting
Reference signal = 0dBFS
Noise for -60dBFS digital input;
A-weighted; 47dB MIC preamp gain
setting
f
-3dB
17dB MIC Preamp gain setting
300Hz - 3.3kHz through head-phone
output.
300Hz - 3.3kHz through head-phone
output.
-3dB Point
MCLK
IN
S
BYPASS
DAC_REF
RIPPLE
= 48kHz, f
DD
= 1kHz, P
FS
= 12.288MHz
= 3V, AV
= 200mV
= 1.0µF
= 1.0µF
IN
OUT
OUT
= 1kHz sinewave at
Conditions
14
OUT
= 7.5mW
P-P
= 1kHz
@
= 1kHz
DD
@
217Hz
@
@
@
1% THD+N, 32Ω
1% THD+N,
1% THD+N,
1% THD+N,
= 3V, R
LHP
(Note 6)
Typical
+/-0.15
+/-0.25
= 32Ω, R
0.07
3.46
100
330
570
2.5
2.5
25
50
72
86
72
86
75
75
73
2
LM4930
(Notes 7,
Limits
+/-0.2
+/-0.3
300
270
15)
15
42
LHF
= 8Ω
A
= 25˚C.
mW (min)
mW (min)
µA (max)
dB (max)
dB (max)
dB (min)
(Limits)
mV
Units
V
V
kHz
dB
dB
dB
dB
dB
dB
dB
%
P-P
P-P
V
P-P