LM1972M National Semiconductor, LM1972M Datasheet - Page 4

• Manufacturer Part Number: LM1972M
• Description: IC, AUDIO ATTENUATOR, SOIC-20
• Manufacturer: National Semiconductor

Specifications of LM1972M

• Audio Control Type: Attenuator
• Output Power: 150mW
• Control Interface: Serial
• Supply Voltage Range: 4.5V To 12V
• Operating Temperature Range: 0°C To +70°C
• Audio Ic Case Style: SOIC
• No. Of Pins: 20
• Attenuator Step Size: 0.5/1dB
• Number Of Bits: 16
• Number Of Channels: 2
• Power Dissipation: 150mW
• Supply Current: 4mA
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Package Type: SOIC W
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

www.national.com
Noise Floor Spectrum by FFT
Amplitude vs Frequency
Supply Current vs
V
Supply Voltage
THD vs V
1 KHz by FFT
DD
− V
SS
OUT
= 12V
at
1197815
1197819
1197817
4
THD vs Freq by FFT
Supply Current vs
V
Crosstalk Test
Temperature
DD
− V
SS
= 12V
1197816
1197820
1197818