LM4549BVH/NOPB National Semiconductor, LM4549BVH/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM4549BVH/NOPB
• Description: IC AUDIO CODEC 2MULTICH 48-LQFP
• Manufacturer: National Semiconductor

Specifications of LM4549BVH/NOPB

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4549BVH

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Analog to Digital Converters
Digital to Analog Converters
THD
D
Analog Output Section
A
A
Z
Digital I/O (Note 9)
V
V
V
V
I
I
C
I
Digital Timing Specifications (Note 9)
F
T
T
F
T
T
T
T
T
T
L
L
DR
OUT
BC
BCP
CH
SYNC
SP
SH
SL
DSETUP
DHOLD
SSETUP
S
M
IH
IL
OH
OL
Electrical Characteristics
48 kHz, single codec configuration, (primary mode) unless otherwise noted. Limits apply for T
is 1 Vrms unless otherwise specified. (Continued)
T
IN
Symbol
Resolution
Dynamic Range (Note 9)
Frequency Response
Resolution
Dynamic Range (Note 9)
Total Harmonic Distortion
Frequency Response
Group Delay (Note 9)
Out of Band Energy (Note 10)
Stop Band Rejection
Discrete Tones
Step Size
Mute Attenuation
Output Impedance (Note 9)
High level input voltage
Low level input voltage
High level output voltage
Low level output voltage
Input Leakage Current
Tri state Leakage Current
AC-Link I/O capacitance(Note 9)
Output drive current
BIT_CLK frequency
BIT_CLK period
BIT_CLK high
SYNC frequency
SYNC period
SYNC high pulse width
SYNC low pulse width
Setup Time for codec data input
Hold Time for codec data input(Note
9)
Setup Time for codec SYNC
input(Note 9)
Parameter
(Notes 1, 5) The following specifications apply for AV
-60 dB Input THD+N, A-Weighted
-1 dB Bandwidth
-60 dB Input THD+N, A-Weighted
V
Sample Frequency = 48 kHz
0 dB to -46.5 dB
All Analog Outputs
I
I
AC Link inputs
High impedance AC Link outputs
SDout, BitClk, SDin, Sync, Reset# only
AC Link outputs
Variation of BIT_CLK duty cycle from
50%
SDATA_OUT to falling edge of BIT_CLK
Hold time of SDATA_OUT from falling
edge of BIT_CLK
SYNC to falling edge of BIT_CLK
O
O
IN
= −2.5 mA.
= 2.5 mA.
= -3 dB, f = 1 kHz, R
4
Conditions
L
= 10 kΩ
A
= 25˚C. The reference for 0 dB
20 - 21 k
DD
(Note 6)
Typical
12.288
0.01
0.36
81.4
20.8
19.5
220
-40
-96
1.5
1.3
3.5
5.3
3.8
18
90
20
18
89
70
86
48
= 5V, DV
4
5
LM4549B
(Note 7)
DD
0.65 x
0.35 x
0.90 x
0.10 x
DV
DV
DV
DV
Limit
±
±
±
7.5
86
82
10
10
10
1
10
10
20
= 3.3V, Fs =
DD
DD
DD
DD
ms (max)
pF (max)
dB (min)
dB (min)
% (max)
(Limits)
ns (min)
ns (min)
ns (min)
V (max)
V (max)
V (min)
V (min)
Units
MHz
Bits
kHz
Bits
kHz
mA
Hz
dB
dB
dB
dB
dB
µA
µA
ns
µs
µs
µs
%
Ω