LM4934RLX/NOPB National Semiconductor, LM4934RLX/NOPB Datasheet - Page 7

• Manufacturer Part Number: LM4934RLX/NOPB
• Description: IC AUDIO SUBSYSTEM 1.2W 42USMDXT
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4934RLX/NOPB

• Output Type: 2-Channel (Stereo) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 1.2W x 2 @ 8 Ohm; 80mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: 3D, Depop, I²C, I²S, Mute, Shutdown, SPI, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 42-MicroSMDxt
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4934RLX

Xtalk
T
PGR
VCR
∆A
A
R
WU
Audio Amplifier Electrical Characteristics AV
2) (Continued)
MUTE
INPUT
The following specifications apply for the circuit shown in Figure 1 with all programmable gain set at 0dB, unless otherwise
specified. Limits apply for T
Volume Control Electrical Characteristics
The following specifications apply for 3V ≤ AV
= 25˚C.
Symbol
Symbol
CH-CH
PSRR
Power Supply Rejection Ratio
Crosstalk
Wake-Up Time
Stereo or Mono Analog Inputs
PreAmp Gain Setting Range
Output Volume Control for Stereo
Speakers, Headphone Output, or
Mono Output Range
Stereo Channel to Channel Gain
Mismatch
Mute Attenuation
M
IN
, L
IN
and R
Parameter
Parameter
A
IN
= 25˚C.
Input Impedance
DD
≤ 5V and 2.7V ≤ DV
f = 217Hz; V
C
Loudspeaker; P
f = 1kHz
Headphone; P
f = 1kHz; OCL
Headphone; P
f = 1kHz, SE
C
C
minimum gain setting
maximum gain setting
minimum gain setting, Vol = 00001
maximum gain setting
V
with load, Vol = 00000
Headphone
Line Out
in
B
B
B
= 2.2µF; See Table 3
= 2.2µF, CD6 = 0
= 2.2µF, CD6 = 1
= 1V
rms
, Gain = 0dB
ripple
7
O
O
Conditions
Conditions
O
= 15mW
= 15mW
= 400mW
= 200mV
DD
(Notes 1, 2)
≤ 4.0V, unless otherwise specified. Limits apply for T
DD
P-P
= 5.0V, DV
(Note 6)
(Note 6)
Typical
Typical
Table 3
<
<
–86
–56
–80
130
–56
0.3
DD
45
–6
15
23
-90
-90
5
LM4934
LM4934
= 3.3V
Limits
(Notes
Limits
(Notes
–56.5
–55.5
7, 8)
7, 8)
–6.5
–5.5
15.5
14.5
4.5
5.5
18
28
(Notes 1,
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dB (max)
dB (max)
dB (max)
dB (max)
kΩ (max)
dB (min)
dB (min)
dB (min)
dB (min)
kΩ (min)
(Limits)
(Limits)
Units
Units
ms
ms
dB
dB
dB
dB
dB
dB
A