LM4549BVHX/NOPB National Semiconductor, LM4549BVHX/NOPB Datasheet - Page 14

• Manufacturer Part Number: LM4549BVHX/NOPB
• Description: IC AUDIO CODEC 2MULTICH 48-LQFP
• Manufacturer: National Semiconductor
• Type: Audio Codec '97r

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

www.national.com
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