LM4549BVHX/NOPB National Semiconductor, LM4549BVHX/NOPB Datasheet - Page 14
LM4549BVHX/NOPB
Manufacturer Part Number
LM4549BVHX/NOPB
Description
IC AUDIO CODEC 2MULTICH 48-LQFP
Manufacturer
National Semiconductor
Type
Audio Codec '97r
Datasheet
1.LM4549BVHXNOPB.pdf
(28 pages)
Specifications of LM4549BVHX/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
3.3 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM4549BVHX
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM4549BVHX/NOPB
Manufacturer:
TI/NS
Quantity:
25
Company:
Part Number:
LM4549BVHX/NOPB
Manufacturer:
Texas Instruments
Quantity:
10 000
Part Number:
LM4549BVHX/NOPB
Manufacturer:
TI/德州仪器
Quantity:
20 000
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Pin Descriptions
Typical Performance Characteristics
Name
NC
29, 30
31, 32
38, 40
42, 43
44, 48
Pin
(Analog Loopthrough)
Line Out Noise Floor
ADC Noise Floor
ADC Frequency
Response
I / O
NC
(Continued)
These pins are not used and should be left open (NC).
For second source applications these pins may be connected to a noise-free supply or
ground (e.g. AV
3D SOUND AND NO-CONNECTS (NC) (Continued)
20123515
20123518
20123519
DD
or AV
SS
), either directly or through a capacitor.
14
Functional Description
Line Level Out Noise Floor
(Analog Loopthrough)
DAC Noise Floor
DAC Frequency
Response
20123516
20123531
20123520