lm48861tm National Semiconductor Corporation, lm48861tm Datasheet - Page 4

• Manufacturer Part Number: lm48861tm
• Description: Powerwise Ground-referenced, Ultra Low Noise, Stereo Headphone Amplifier
• Manufacturer: National Semiconductor Corporation

www.national.com
I
I
V
V
V
T
P
V
THD+N
PSRR
SNR
X
N
C-P
DD
SD
Symbol
WU
OS
IH
IL
O
LINE-OUT
TALK
OUT
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics V
The following specifications apply for V
25°C.
Supply Voltage (Note1)
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Ratings (HBM) (Note 4)
ESD Ratings
(OUTL, OUTR) (Note 4)
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Shutdown Input Voltage High
Shutdown Input Voltage Low
Wake Up Time
Output Power
Output Voltage to Line Out
Total Harmonic Distortion + Noise
Power Supply Rejection Ratio
Signal-to-Noise Ratio
Crosstalk
Output Noise
Click-Pop
Parameter
DD
-0.3V to V
= 1.5V, A
−65°C to +150°C
Internally Limited
V
Shutdown Enabled
V
V
Both channels enabled
THD+N = 1% R
Both channels in phase and active
THD+N = 1% R
Both channels in phase and active
R
V
V
P
P
V
V
R
(A-weighted), f = 1kHz
BW = 20Hz to 22kHz
R
A-weighted, A
R1 = R2 = 10kΩ, R3 = R4 = 18kΩ
Inputs Grounded
BW = <10Hz to >500kHz
DD
IN
SHDN
IN
DD
DD
O
O
OLIF
RIPPLE
L
L
L
(Notes 1, 2)
V
V
V
V
f
f
f
RIPPLE
RIPPLE
RIPPLE
= 10kΩ, f = 1kHz
= 32Ω, P
= 32Ω, P
= 8mW, f = 1kHz, R
= 8mW, f = 1kHz, R
= 0V, Both channels enabled
= 0V, R
DD
DD
DD
DD
= 1.5V, THD+N = 1%, R
= 1.8V, THD+N = 1%, R
DD
= 1.5V
= 900V
V
= 1.5V
= 1.8V
= 1.5V
= 1.8V
= GND
+ 0.3V
2000V
8000V
= –1, R
= 200mV
= 217Hz
= 1kHz
= 15kHz
3V
L
OUT
OUT
= 32Ω
RMS
V
L
Conditions
L
L
= 5.1dB
= 8mW
= 5mW, f = 1kHz
= 32kΩ, f = 1kHz, unless otherwise specified. Limits apply for T
, f = 1kHz, R
P-P
= 32Ω, f = 1kHz,
= 16Ω, f = 1kHz,
(Notes 1, 2)
4
Sine, Inputs AC GND, C1 = C2 = 0.39μF
Operating Ratings
L
L
ESD Susceptibility
(Machine Model) (Note 5)
Junction Temperature
Thermal Resistance
θ
Temperature Range
Supply Voltage (V
= 32Ω
= 16Ω
T
JA
MIN
L
L
L
(TM)
= 10kΩ
= 10kΩ
≤
= 10kΩ
T
A
≤
T
MAX
DD
)
(Note 6)
Typical
0.001
0.01
0.04
0.07
500
102
0.5
1.1
1.3
13
22
12
24
83
77
57
93
79
2
5
LM48861
(Note 7)
Limit
−40°C
700
2.8
1.5
1.5
1.4
0.4
1.2
12
20
1
1.2V
≤
≤
70°C/W (typ)
T
V
A
DD
V
V
≤
mA (max)
mV (max)
mW (min)
mW (min)
µA (max)
μs (max)
(Limits)
RMS
RMS
V(max)
≤
V(min)
+85°C
Units
150°C
mW
mW
200V
dB
dB
dB
dB
dB
μV
dB
2.8V
%
%
%
(min)
(min)
A
=