LM48557TL/NOPB National Semiconductor, LM48557TL/NOPB Datasheet - Page 12

• Manufacturer Part Number: LM48557TL/NOPB
• Description: IC AMP AUDIO PWR MONO AB 16USMD
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM48557TL/NOPB

• Output Type: 1-Channel (Mono)
• Voltage - Supply: 2.7 V ~ 4.5 V
• Features: Depop, Differential Inputs, I²C, Mute, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 16-MicroSMD
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 1-Channel Mono
• Audio Amplifier Function: Speaker
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 3V
• Power Supply Requirement: Dual
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 80dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 1.7/2.7V
• Dual Supply Voltage (max): 4.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: uSMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Max Output Power X Channels @ Load: -
• Lead Free Status / Rohs Status: Compliant
• Other names: LM48557TLTR

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*RESERVED bits are Don't Cares and are ignored by the device. The state of the RESERVED bits does not affect device operation.
*RESERVED bits are Don't Cares and are ignored by the device. The state of the RESERVED bits does not affect device operation.
B0:B5
BIT
BIT
B0
B1
B2
B3
B4
B5
B6
B7
B6
B7
Register
Address
Volume
Control
Control
Device
Name
Mode
RESERVED*
RESERVED*
RESERVED*
RESERVED*
RESERVED*
TESTMODE
VOL0:VOL5
REGISTER
REGISTER
ADDRESS
ADDRESS
NAME
SHDN
MUTE
NAME
B7
B7
0
1
1
Control Table
See Volume
VALUE
VALUE
B6
B6
0
0
1
X
X
X
X
0
1
0
1
0
0
X
1
TABLE 4. Volume Control Registers
TABLE 3. Mode Control Registers
VOL5
TABLE 2. Control Registers
Shutdown mode
Normal operation
Normal operation
Device mute, A
Unused, Set to 0
Unused, Set to 0
Set B4 to 0. B4 = 1 enables TESTMODE. See
TESTMODE section.
Unused, Set to 0
Unused, Set to 0
Set to 0 to access Mode Control register
Controls amplifier gain/attenuation
Unused, Set to 0
Set to 1 to access Volume Control register
TABLE 1. Device Address
B5
B5
0
0
VOL4
12
B4
B4
0
1
V
= -90dB.
DESCRIPTION
DESCRIPTION
VOL3
B3
B3
1
0
VOL2
B2
B2
1
0
MUTE
VOL1
B1
B1
1
DEFAULT
DEFAULT
SETTING
SETTING
B0 R/W
SHDN
VOL0
B0
0
0
1
0
0
0
0
0
0
0
0
0