LM4546BVH/NOPB National Semiconductor, LM4546BVH/NOPB Datasheet - Page 13

• Manufacturer Part Number: LM4546BVH/NOPB
• Description: IC AUDIO CODEC 2MULTICH 48-LQFP
• Manufacturer: National Semiconductor
• Type: Audio Codec '97r

Specifications of LM4546BVH/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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4546BVH

Pin Descriptions
Typical Performance Characteristics
Name
NC
14–17
29–32
38–44
47, 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)
20123315
20123318
20123319
DD
or AV
SS
), either directly or through a capacitor.
13
Functional Description
DAC Noise Floor
DAC Frequency
Response
20123316
20123320
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