LM4859SP National Semiconductor, LM4859SP Datasheet - Page 7

• 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

Xtalk
T
I
I
P
P
THD+N
V
N
PSRR
DD
SD
Symbol
Symbol
WU
O
O
OS
OUT
Audio Amplifier Electrical Characteristics V
The following specifications apply for V
Audio Amplifier Electrical Characteristics V
The following specifications apply for V
Crosstalk
Wake-up Time
Supply Current
Shutdown Current
Output Power
Output Power
Total Harmonic Distortion Plus
Noise
Offset Voltage
Output Noise
Power Supply Rejection Ratio
Parameter
Parameter
DD
DD
LD5 = RD5 = 0
Loudspeaker; P
f = 1kHz
Headphone; P
f = 1kHz
CD5 = 0; C
CD5 = 1; C
V
LD5 = RD5 = 0 (Note 9)
Mode 4, 9, 14
Mode 2, 3, 7, 8, 12, 13
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; All 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; All 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
= 3.0V, unless otherwise specified. Limits apply for T
IN
= 0V, No load;
O
B
B
rip
= 200mW;
= 2.2µF
= 2.2µF
O
O
= 200mV
Conditions
Conditions
O
= 15mW;
= 10mW;
= 400mW;
7
pp
; C
B
DD
DD
= 2.2µF;
= 5.0V
= 3.0V
(Note 6)
(Note 6)
Typical
Typical
(Notes 1, 2) (Continued)
11.2
0.06
0.05
0.04
(Notes 1, 2)
120
230
530
400
4.5
85
85
25
27
38
10
14
70
65
87
75
5
LM4859
LM4859
A
A
= 25˚C.
= 25˚C.
Limits (Notes
Limits (Notes
7, 8)
7, 8)
320
7.5
2.5
19
20
40
55
62
www.national.com
mA (max)
mA (max)
mW (min)
mW (min)
mV (max)
µA (max)
dB (min)
dB (min)
(Limits)
(Limits)
Units
Units
mW
dB
dB
ms
ms
µV
µV
µV
µV
dB
dB
%
%