lm4550 National Semiconductor Corporation, lm4550 Datasheet - Page 3

• Manufacturer Part Number: lm4550
• Description: Ac ?97 Rev 2.1 Multi-channel Audio Codec With Stereo Headphone Amplifier, Sample Rate Conversion And National 3d Sound
• Manufacturer: National Semiconductor Corporation

AV
DV
D
A
I
I
V
PSRR
Analog Loopthru Mode
THD
Analog Input Section
V
Xtalk
Z
C
Record Gain Amplifier - A/D
A
Mixer Section
A
A
DSD
ASD
IN
IDD
REF
IN
S
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
48kHz, single codec configuration, unless otherwise noted. Limits apply for T
otherwise specified.
Symbol
Supply Voltage
Storage Temperature
Input Voltage
ESD Susceptibility (Note 5)
ESD Susceptibility (Note 6)
Junction Temperature
Soldering Information
DD
DD
pin 3
pin 3
LQFP Package
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 2)
Total Harmonic Distortion
Line Input Voltage
Mic Input with 20dB Gain
Mic Input with 0dB Gain
Crosstalk
Input Impedance(Note 2)
Input Capacitance
Interchannel Gain Mismatch
Step Size
Step Size
Mute Attenuation
Parameter
−0.3V to V
(Notes 1, 3) The following specifications apply for AV
−65˚C to +150˚C
(Note 3)
DD
D
D
CD Input to Line Output, -60dB Input
THD+N, A-Weighted
V
CD Left to Right
CD Left to Right
0dB to 22.5dB
+12dB to -34.5dB
2000V
150˚C
+0.3V
O
VDD
VDD
750V
200V
100V
6.0V
= -3dB, f = 1kHz, R
= 5V
= 3.3V
3
Operating Ratings
Conditions
See AN-450 "Surface Mounting and their Effects on
Product Reliability" for other methods of
soldering surface mount devices.
θ
Temperature Range
Analog Supply Range
Digital Supply Range
JA
Vapor Phase (60 sec.)
Infrared (15 sec.)
T
MIN
(typ) — VBH48A
≤ T
L
A
= 10kΩ
= 25˚C. The reference for 0dB is 1Vrms unless
A
≤ T
MAX
(Note 7)
Typical
DD
2.23
0.01
0.01
500
0.1
-95
1.5
1.5
43
20
53
30
40
97
40
15
86
1
1
= 5V, DV
LM4550
3.0V ≤ DV
4.2V ≤ AV
(Note 8)
−40˚C ≤ T
Limit
0.02
DD
4.2
5.5
3.0
5.5
90
10
= 5V, Fs =
www.national.com
DD
DD
A
kΩ (min)
dB (min)
% (max)
(Limits)
V (max)
V (max)
74˚C/W
V (min)
V (min)
≤ 85˚C
Units
≤ 5.5V
≤ 5.5V
Vrms
Vrms
Vrms
215˚C
220˚C
mA
mA
mA
µA
µA
dB
dB
pF
dB
dB
dB
dB
V