lm48821tlx National Semiconductor Corporation, lm48821tlx Datasheet - Page 4

• Manufacturer Part Number: lm48821tlx
• Description: Direct Coupled, Ultra Low Noise, 52mw Differential Input Stereo Headphone Amplifier With I2c Volume Control
• Manufacturer: National Semiconductor Corporation

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I
I
V
A
ΔA
A
R
P
THD+N
PSRR
CMRR
SNR
T
DD
SD
Symbol
WU
OS
V
V-MUTE
OUT
IN
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Audio Amplifier Electrical Characteristics V
The following specifications apply for V
V
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Quiescent Power Supply
Current
Shutdown Current
Output Offset Voltage
Volume Control Range
Channel-to-Channel Gain Match
Mute Gain
Input Resistance
Output Power
Total Harmonic Distortion +
Noise
Power Supply Rejection Ratio
Common Mode Rejection Ratio
Signal-to-Noise-Ratio
Charge Pump Wake-Up Time
Parameter
DD
−0.3V to V
= 3V, R
−65°C to +150°C
V
both channels enabled
V
one channel enabled
Right and Left Enable bits set to 0
R
[B0:B4] = 00000
[B0:B4] = 11111
Gain = 18dB
Gain = –76dB
THD+N = 1% (max); f
R
THD+N = 1% (max); f
R
THD+N = 1% (max); f
R
THD+N = 1% (max); f
R
P
R
P
R
V
f = 217Hz
f = 1kHz
f = 20kHz
V
f = 2kHz
R
f = 1kHz, BW = 20Hz to 22kHz
Internally Limited
IN
IN
L
L
L
L
L
OUT
L
OUT
L
RIPPLE
RIPPLE
L
= 32Ω
= 16Ω, per channel
= 32Ω, per channel
= 16Ω, single channel driven
= 32Ω, single channel driven
= 16Ω, single channel
= 32Ω, single channel
= 32Ω, P
= 0V, inputs terminated,
= 0V, inputs terminated,
(Notes 1, 2)
= 50mW, f = 1kHz
= 50mW, f = 1kHz
L
= 200mV
= 200mV
DD
= 16Ω, A
2000V
150°C
+0.3V
200V
OUT
4.5V
Conditions
= 20mW,
P-P
p-p
V
, Input referred
= 0dB, unless otherwise specified. Limits apply for T
, input referred
4
IN
IN
IN
IN
= 1kHz,
= 1kHz,
= 1kHz,
= 1kHz,
Operating Ratings
Temperature Range
T
Supply Voltage
Thermal Resistance
θ
MIN
PV
I
2
JA
CV
DD
≤
DD
(typ) - (TLA1611A) (Note 3)
DD
T
and SV
A
= 3V
≤
T
MAX
DD
(Notes 1, 2)
(Note 6)
Typical
±0.015
0.022
0.011
–76
+18
–76
100
400
3.0
2.0
0.1
0.5
81
52
53
93
79
82
80
55
65
9
LM48821
(Notes 7, 8)
Limits
4.5
3.0
1.2
2.5
1.8V
15
43
45
80
65
5
−40°C
2.0V
≤
I
A
≤
2
≤
CV
= 25°C.
V
T
A
DD
DD
105°C/W
≤
mA (max)
mV (max)
mW (min)
mW (min)
mW (min)
µA (max)
kΩ (max)
kΩ (min)
dB (min)
(Limits)
≤
≤
+85°C
Units
mW
mA
kΩ
4.0V
4.0V
dB
dB
dB
dB
dB
dB
dB
dB
μs
%
%