LM4844TLEVAL National Semiconductor, LM4844TLEVAL Datasheet - Page 7

• Manufacturer Part Number: LM4844TLEVAL
• Description: BOARD EVALUATION LM4844TL
• Manufacturer: National Semiconductor
• Series: Boomer®r

Specifications of LM4844TLEVAL

• Amplifier Type: Class AB
• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 1.2W x 2 @ 8 Ohm; 80mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: LM4844
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

t
t
t
t
t
t
V
V
t
t
t
1
2
3
4
5
6
1
2
3
Symbol
Symbol
Symbol
IH
IL
Volume Control Electrical Characteristics
The following specifications apply for 3V
C.
Control Interface Electrical Characteristics
The following specifications apply for V
Control Interface Electrical Characteristics
The following specifications apply for V
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
I
I
I
Start Condition Time
Stop Condition time
I
I
I
I
I
I
2
2
2
2
2
2
2
2
2
IN
C Clock Period
C Data Setup Time
C Data Stable Time
C Data Hold Time
C Input Voltage High
C Input Voltage Low
C Clock Period
C Data Setup Time
C Data Stable Time
IN
and R
Input Impedance
IN
Parameter
Parameter
Parameter
Input Impedance
DD
DD
≤
= 5.0V and 3.0V, T
= 5.0V and 3.0V, T
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
V
DD
≤
5V and 3V
in
= 1V
Conditions
Conditions
Conditions
≤
RMS
A
A
= 25°C, 2.2V
= 25°C, 1.7V
I
2
7
CV
DD
≤
(Notes 1, 2)
5V, unless otherwise specified. Limits apply for T
(Notes 1, 2)
(Notes 1, 2)
≤
≤
I
I
2
2
CV
CV
DD
DD
≤
≤
5.5V, unless otherwise specified.
2.2V, unless otherwise specified.
(Note 6)
(Note 6)
(Note 6)
Typical
Typical
Typical
+/-0.2
-40.5
-34.5
100
100
1.5
0.3
12
33
20
96
6
LM4844
LM4844
LM4844
Limits (Notes
Limits (Notes
Limits (Notes
0.7 x I
0.3 x I
1, 7, 8)
1, 7, 8)
+/-0.5
7, 8)
11.5
12.5
125
123
100
100
100
100
250
5.5
6.5
-41
-40
-35
-34
2.5
2.5
25
42
75
15
25
73
0
0
2
2
CV
CV
DD
DD
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kΩ (max)
kΩ (max)
kΩ (max)
kΩ (max)
dB (max)
dB (max)
dB (max)
dB (max)
dB (max)
kΩ (min)
kΩ (min)
kΩ (min)
kΩ (min)
dB (min)
dB (min)
dB (min)
dB (min)
(Limits)
(Limits)
µs (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
(Limits)
µs (min)
ns (min)
ns (min)
V (max)
V (min)
Units
Units
Units
A
dB
dB
dB
= 25°