參數(shù)資料
型號(hào): LM4832M
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻控制
英文描述: Digitally Controlled Tone and Volume Circuit with Stereo Audio Power Amplifier, Microphone Preamp Stage and National 3D Sound
中文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝: SOIC-28
文件頁(yè)數(shù): 2/22頁(yè)
文件大小: 688K
代理商: LM4832M
Absolute Maximum Ratings
(Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally limited
2000V
250V
150C
215C
Infrared (15 sec.)
See AN-450
Surface Mounting and their Effects on
Product Reliability
for other methods of soldering
surface mount devices.
θ
JC
(typ)—N28B
θ
JA
(typ)—N28B
θ
JC
(typ)—M28B
θ
JA
(typ)—M28B
220C
21C/W
62C/W
15C/W
69C/W
Operating Ratings
Temperature Range
T
MIN
T
A
T
MAX
Supply Voltage
40C
T
A
85C
4.5
V
DD
5.5V
Electrical Characteristics for Entire IC
(Notes 1, 2)
The following specifications apply for V
DD
= 5V unless otherwise noted. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4832
Units
(Limits)
Typical
(Note 6)
Limit
(Note 7)
4.5
5.5
21
9
V
DD
Supply Voltage
V
IN
= 0V, I
O
= 0A
V (min)
V (max)
mA (max)
μA (max)
I
DD
I
SD
INPUT ATTENUATORS
A
R
Quiescent Power Supply Current
Shutdown Current
13
2.5
Attenuator Range
Attenuation at 0 dB Setting
Attenuation at 14 dB Setting
0 dB to 14 dB
1
15
dB (max)
dB (min)
dB
dB (max)
dB (max)
A
S
Step Size
Gain Step Size Error
Channel to Channel Tracking Error
BASS CONTROL
A
R
Bass Control Range
2
0.1
0.15
E
T
f = 100 Hz, V
IN
= 0.25V
±
12
14
14
dB (min)
dB (max)
dB
dB (max)
dB (max)
A
S
E
SE
E
T
TREBLE CONTROL
A
R
Bass Step Size
Bass Step Size Error
Bass Tracking Error
2
0.5
0.15
Treble Control Range
f
IN
= 10 kHz, V
IN
= 0.25V
±
12
13
13
dB (min)
dB (max)
dB
dB (max)
dB (max)
A
S
E
SE
E
T
OUTPUT ATTENUATORS
A
R
Treble Step Size
Treble Step Size Error
Treble Tracking Error
2
0.1
0.15
Attenuator Range
Gain at +20 dB Setting
Attenuation at 40 dB Setting
+20 dB to 40 dB
21
42
dB (max)
dB (min)
dB
dB (max)
dB (max)
A
S
Step Size
Step Size Error
Channel to Channel Tracking Error
2
0.1
0.1
E
T
AUDIO PATH
V
OS
Output Offset Voltage
V
IN
= 0V
3
50
mV (max)
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