LM4857ITLX National Semiconductor, LM4857ITLX Datasheet - Page 7
LM4857ITLX
Manufacturer Part Number
LM4857ITLX
Description
Manufacturer
National Semiconductor
Datasheet
1.LM4857ITLX.pdf
(37 pages)
Specifications of LM4857ITLX
Operational Class
Class-AB
Input Offset Voltage
40@5VmV
Single Supply Voltage (typ)
Not RequiredV
Dual Supply Voltage (typ)
3/5V
Supply Current (max)
21@5VmA
Power Supply Requirement
Dual
Rail/rail I/o Type
No
Power Supply Rejection Ratio
86dB
Single Supply Voltage (min)
Not RequiredV
Single Supply Voltage (max)
Not RequiredV
Dual Supply Voltage (min)
2.5/2.7V
Dual Supply Voltage (max)
5.5V
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
30
Lead Free Status / RoHS Status
Not Compliant
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Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
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Part Number:
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Manufacturer:
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Part Number:
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N
PSRR
Xtalk
T
I
I
P
DD
SD
Symbol
Symbol
WU
OUT
O
Audio Amplifier Electrical Characteristics V
The following specifications apply for V
Audio Amplifier Electrical Characteristics V
The following specifications apply for V
Output Noise
Power Supply Rejection Ratio
Crosstalk
Wake-up Time
Supply Current
Shutdown Current
Output Power
Parameter
Parameter
DD
DD
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
Earpiece; Mode 1; CD4 = 0
Earpiece; Mode 6
Earpiece; Mode 11
Line Out; Mode 5
Line Out; Mode 10
Line Out; Mode 15
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
Earpiece; Mode1
Earpiece; Mode 6
Earpiece; Mode 11
Line Out; Mode 5
Line Out; Mode 10
Line Out; Mode 15
LD5 = RD5 = 0
Loudspeaker; P
f = 1kHz
Headphone; P
f = 1kHz
CD5 = 0; C
CD5 = 1; C
V
LD5 = RD5 = 0 (Note 9)
Mode 1, 6, 11
Mode 4, 5, 9, 10, 14, 15
Mode 2, 3, 7, 8, 12, 13
Mode 0 (Note 9)
LM4857SP
Speaker; THD+N = 1%;
f = 1kHz; 4Ω BTL
= 5.0V, unless otherwise specified. Limits apply for T
= 3.0V, unless otherwise specified. Limits apply for T
IN
= 0V, No load;
B
B
rip
= 2.2µF
= 2.2µF
O
= 200mV
Conditions
Conditions
O
= 15mW;
= 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
(Notes 1, 2)
120
230
530
5.5
4.5
27
38
10
14
13
18
21
11
14
17
70
64
86
73
75
70
66
86
74
68
85
85
LM4857
LM4857
A
A
= 25˚C.
= 25˚C.
Limits (Notes
Limits (Notes
7, 8)
7, 8)
7.5
2.5
54
60
57
57
19
9
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mA (max)
mA (max)
mA (max)
µA (max)
dB (min)
dB (min)
dB (min)
dB (min)
(Limits)
(Limits)
Units
Units
mW
µV
µV
µV
µV
µV
µV
µV
µV
µV
µV
dB
dB
dB
dB
dB
dB
dB
dB
ms
ms