lm4549b National Semiconductor Corporation, lm4549b Datasheet - Page 3

• Manufacturer Part Number: lm4549b
• Description: Ac ?97 Rev 2.1 Multi-channel Audio Codec With Sample Rate Conversion And National 3d Sound
• Manufacturer: National Semiconductor Corporation

AV
DV
D
A
I
I
V
PSRR
Analog Loopthrough Mode (Note 8)
THD
Analog Input Section
V
V
V
Xtalk
Z
C
Record Gain Amplifier - ADC
A
A
Mixer Section
A
A
DSD
ASD
IDD
REF
IN
IN
IN
IN
S
M
S
M
IDD
IN
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
48 kHz, single codec configuration, (primary mode) unless otherwise noted. Limits apply for T
is 1 Vrms unless otherwise specified.
Supply Voltage
Storage Temperature
Input Voltage
ESD Susceptibility (Note 2)
ESD Susceptibility (Note 3)
Junction Temperature
Symbol
DD
DD
pin 3
pin 3
Analog Supply Range
Digital Supply Range
Digital Quiescent Power Supply
Current
Analog Quiescent Power Supply
Current
Digital Shutdown Current
Analog Shutdown Current
Reference Voltage
Power Supply Rejection Ratio
Dynamic Range (Note 9)
Total Harmonic Distortion
Line Input Voltage
Mic Input with 20 dB Gain
Mic Input with 0 dB Gain
Crosstalk
Input Impedance(Note 9)
Input Capacitance(Note 9)
Interchannel Gain Mismatch
Step Size
Mute Attenuation (Note 9)
Step Size
Mute Attenuation
Parameter
−0.3V to V
−65˚C to +150˚C
(Notes 1, 5) The following specifications apply for AV
(Note 1)
DD
DV
DV
AV
PR543210 = 111111
PR543210 = 111111
No pullup resistor
CD Input to Line Output, -60 dB Input
THD+N
V
LINE_IN, AUX, CD, VIDEO, PC_BEEP,
PHONE
CD Left to Right
All Analog Inputs
CD Left to Right
0 dB to 22.5 dB
+12 dB to -34.5 dB
2000V
O
150˚C
+0.3V
750V
200V
100V
DD
6.0V
DD
DD
= -3 dB, f = 1 kHz, R
= 5.5 V
= 5 V
= 3.3 V
3
Conditions
Operating Ratings
Soldering Information
θ
Temperature Range
Analog Supply Range
Digital Supply Range
JA
LQFP Package
Vapor Phase (60 sec.)
Infrared (15 sec.)
T
MIN
(typ) – VBH48A
≤ T
L
A
= 10 kΩ
≤ T
MAX
(Note 4)
A
= 25˚C. The reference for 0 dB
(Note 6)
Typical
0.013
DD
2.16
0.1
-95
3.7
0.1
1.5
1.5
34
19
53
19
70
40
97
40
86
86
1
1
= 5V, DV
LM4549B
3.0V ≤ DV
4.2V ≤ AV
(Note 7)
−40˚C ≤ T
Limit
0.02
DD
4.2
5.5
3.0
5.5
90
10
7
= 3.3V, Fs =
www.national.com
DD
DD
A
kΩ (min)
dB (min)
% (max)
74˚C/W
(Limits)
V (max)
V (max)
V (min)
V (min)
≤ 85˚C
≤ 5.5V
≤ 5.5V
Units
Vrms
Vrms
Vrms
215˚C
220˚C
mA
mA
mA
µA
µA
dB
dB
pF
dB
dB
dB
dB
dB
V