LM4859SP National Semiconductor, LM4859SP Datasheet - Page 6

• Manufacturer Part Number: LM4859SP
• Description: Audio Amp Headphone/Speaker 2-CH Stereo 1.6W Class-AB 28-Pin LLP EP T/R
• Manufacturer: National Semiconductor

Specifications of LM4859SP

• Package: 28LLP EP
• Function: Headphone/Speaker
• Amplifier Type: Class-AB
• Total Harmonic Distortion Noise: 0.04@32Ohm@15mW|0.05@8Ohm@400mW %
• Typical Psrr: 86 dB
• Output Signal Type: Differential|Single
• Output Type: 2-Channel Stereo
• Maximum Input Offset Voltage: 40@5V mV
• Maximum Load Resistance: 32 Ohm

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I
I
P
THD+N
V
N
PSRR
DD
SD
Symbol
O
OS
OUT
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
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature (T
Thermal Resistance
Supply Current
Shutdown Current
Output Power
Total Harmonic Distortion Plus
Noise
Offset Voltage
Output Noise
Power Supply Rejection Ratio
Parameter
J
)
−0.3V to V
DD
Internally Limited
−65˚C to +150˚C
V
LD5 = RD5 = 0 (Note 9)
Mode 4, 9, 14
Mode 2, 3, 7, 8, 12, 13
Output mode 0 (Note 9)
LM4859SP
Speaker; THD+N = 1%;
f = 1kHz; 4Ω BTL
Speaker; THD+N = 1%;
f = 1kHz; 8Ω BTL
Headphone; THD+N = 1%;
f = 1kHz; 32Ω SE
LD5 = RD5 = 0
Speaker; P
f = 1kHz; 8Ω BTL
Headphone; P
f = 1kHz; 32Ω SE
Speaker; LD5 = RD5 = 0
A-weighted, 0dB gain; (Note 11)
LD5 = RD5 = 0; Audio Inputs Terminated
Speaker; Mode 2, 3, 7, 8
Speaker; Mode 12, 13
Headphone; Mode 3, 4, 8, 9
Headphone; Mode 13, 14
f = 217Hz; V
0dB gain; (Note 11)
LD5 = RD5 = 0; Audio Inputs Terminated
Speaker; Mode 2, 3, 7, 8
Speaker; Mode 12, 13,
Headphone; Mode 3, 4, 8, 9
Headphone; Mode 13, 14
= 5.0V, unless otherwise specified. Limits apply for T
IN
= 0V, No load;
(Notes 1, 2)
DD
2000V
150˚C
+0.3V
O
200V
6.0V
rip
= 400mW;
O
Conditions
= 200mV
= 15mW;
6
pp
Operating Ratings
Temperature Range
T
Supply Voltage
; C
MIN
θ
θ
θ
JA
JC
JA
B
DD
≤ T
= 2.2µF;
(SPA28A) (Note 10)
(TLA30CZA) (Note 12)
(SPA28A)
A
= 5.0V
≤ T
MAX
(Note 6)
Typical
0.05
0.04
(Notes 1, 2)
0.2
1.6
1.2
13
75
27
38
10
14
70
64
86
73
5
5
LM4859
A
= 25˚C.
Limits (Notes
7, 8)
0.9
2.5V ≤ I
21
60
40
54
60
8
3
−40˚C ≤ T
2.7V ≤ V
2
CV
A
DD
DD
mA (max)
mA (max)
mW (min)
mV (max)
µA (max)
dB (min)
dB (min)
(Limits)
W (min)
≤ +85˚C
42˚C/W
62˚C/W
Units
≤ 5.5V
≤ 5.5V
3˚C/W
µV
µV
µV
µV
dB
dB
W
%
%