LM4550BVH/NOPB National Semiconductor, LM4550BVH/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM4550BVH/NOPB
• Description: IC AC '97 AUDIO CODEC 48-LQFP
• Manufacturer: National Semiconductor
• Type: Audio Codec '97r

Specifications of LM4550BVH/NOPB

• Data Interface: Serial
• Resolution (bits): 18 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• Dynamic Range, Adcs / Dacs (db) Typ: 90 / 89
• Voltage - Supply, Analog: 4.2 V ~ 5.5 V
• Voltage - Supply, Digital: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 8
• No. Of Output Channels: 3
• Adc / Dac Resolution: 18bit
• Sampling Rate: 48kSPS
• Interface Type: Serial
• Supply Voltage Range: 3V To 5.5V, 4.2V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM4550BVH; *LM4550BVH/NOPB; LM4550BVH

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
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.
IDD
REF
IN
IN
IN
S
M
S
M
IDD
IN
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(Note 9)
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
PR6543210 = 1111111
PR6543210 = 1111111
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
200V
100V
DD
DD
DD
6.0V
= -3 dB, f = 1 kHz, R
750
= 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
= 10 kΩ
A
≤ T
MAX
(Note 4)
A
= 25˚C. The reference for 0 dB
(Note 6)
Typical
DD
0.013
2.16
0.10
−95
0.1
3.7
1.5
1.5
34
19
53
19
70
40
97
40
86
86
1
1
= 5V, DV
LM4550B
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)
(Limits)
74˚C/W
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