LM4540VH National Semiconductor, LM4540VH Datasheet - Page 10

• Manufacturer Part Number: LM4540VH
• Description: IC AUDIO CODEC '97 18BIT 48LQFP
• Manufacturer: National Semiconductor
• Type: Audio Codec '97r

Specifications of LM4540VH

• 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: Contains lead / RoHS non-compliant
• Other names: *LM4540VH

www.national.com
Typical Performance Characteristics
ADC Noise Floor
ADC Frequency
Response
DS100906-15
DS100906-19
DAC Noise Floor
DAC Frequency
Response
10
DS100906-16
DS100906-20
Analog Loopthru
Noise Floor
DS100906-18