LM4859SP National Semiconductor, LM4859SP Datasheet - Page 8

• 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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Xtalk
T
t
t
t
t
t
1
2
3
4
5
Symbol
Symbol
Symbol
WU
Audio Amplifier Electrical Characteristics V
The following specifications apply for V
Volume Control Electrical Characteristics
The following specifications apply for V
Control Interface Electrical Characteristics
The following specifications apply for V
apply for T
Crosstalk
Wake-up Time
Stereo Volume Control Range
Mono Volume Control Range
Volume Control Step Size
Volume Control Step Size
Error
Stereo Channel to Channel
Gain Mismatch
Mute Attenuation
L
M
SCL period
SDA Set-up Time
SDA Stable Time
Start Condition Time
Stop Condition time
IN
A
IN
= 25˚C.
and R
Input Impedance
IN
Parameter
Parameter
Parameter
Input Impedance
DD
DD
DD
LD5 = RD5 = 0
Loudspeaker; P
f = 1kHz
Headphone; P
f = 1kHz
CD5 = 0; C
CD5 = 1; C
maximum gain setting
minimum gain setting
maximum gain setting
minimum gain setting
Mode 12, V
Headphone
maximum gain setting
minimum gain setting
maximum gain setting
minimum gain setting
= 3.0V, unless otherwise specified. Limits apply for T
= 5.0V and V
= 5V and V
B
B
in
DD
= 2.2µF
= 2.2µF
= 1V
DD
O
= 3V and 2.5V ≤ I
Conditions
Conditions
Conditions
O
= 10mW;
= 3.0V, unless otherwise specified. Limits apply for T
= 200mW;
RMS
8
(Notes 1, 2)
(Notes 1, 2)
DD
2
CV
= 3.0V
DD
≤ 5.5V, unless otherwise specified. Limits
(Note 6)
(Note 6)
(Note 6)
Typical
Typical
Typical
+/-0.2
-40.5
-34.5
(Notes 1, 2) (Continued)
33.5
140
100
1.5
0.3
82
82
80
12
85
20
98
6
LM4859
LM4859
LM4859
A
= 25˚C.
Limits (Notes
Limits (Notes
Limits (Notes
+/-0.5
7, 8)
7, 8)
7, 8)
11.5
12.5
125
123
100
100
100
5.5
6.5
-41
-40
-35
-34
2.5
25
42
75
15
25
73
0
A
= 25˚C.
dB (max)
dB (max)
dB (max)
dB (max)
dB (max)
kΩ (max)
kΩ (max)
kΩ (max)
kΩ (max)
dB (min)
dB (min)
dB (min)
dB (min)
kΩ (min)
kΩ (min)
kΩ (min)
kΩ (min)
(Limits)
(Limits)
(Limits)
µs (min)
ns (min)
ns (min)
ns (min)
ns (min)
Units
Units
Units
dB
dB
ms
ms
dB
dB
dB