參數(shù)資料
型號(hào): LM4834MS/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28
封裝: SSOP-28
文件頁數(shù): 7/14頁
文件大?。?/td> 497K
代理商: LM4834MS/NOPB
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
6.0V
Storage Temperature
-65C to +150C
Input Voltage
0.3V to V
DD+0.3V
Power Dissipation
Internally limited
ESD Susceptibility (Note 4)
2000V
Pin 5
1500V
ESD Susceptibility (Note 5)
200V
Junction Temperature
150C
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
θ
JC (typ) — MSA028CB
29C/W
θ
JA (typ) — MSA028CB
95C/W
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤T
MAX
40C
≤TA ≤ 85C
Supply Voltage
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 TA= 25C.
Symbol
Parameter
Conditions
LM4834
Units
(Limits)
Typical
Limit
V
DD
Supply Voltage
4.5
V (min)
5.5
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO= 0A
17.5
26
mA (max)
I
SD
Shutdown Current
V
pin13 =VDD
0.6
2.0
A (max)
Electrical Characteristics for Volume Attenuators
(Notes 1, 2)
The following specifications apply for V
DD = 5V. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4834
Units
(Limits)
Typical
Limit
C
RANGE
Attenuator Range
Gain with V
pin 22 = 5V
2.6
3.65
dB (max)
Attenuation with V
pin 22 = 0V
-75
-88
dB (min)
A
M
Mute Attenuation
V
pin 15 = 5V, Sum Out
-92
-105
dB (max)
V
pin 15 = 5V, Line Out/Headphone Amp
-92
-105
dB (max)
Electrical Characteristics for Microphone Preamp and Power Supply
(Notes 1, 2)
The following specifications apply forV
DD = 5V unless otherwise noted. Limits apply for TA= 25C.
Symbol
Parameter
Conditions
LM4834
Units
(Limits)
Typical
Limit
V
OS
Offset Voltage
V
IN = 0V
0.9
mV
SNR
Signal to Noise Ratio
V
DD = 5V, RL =1k,f=1 kHz, VOUT =
4.7V
, A-Wtd Filter
123
dB
V
SWING
Output Voltage Swing
f = 1 kHz, THD < 1.0%, R
L =1k
4.72
V
E
NO
Input Referred Noise
A-Weighted Filter
1.2
V
PSRR
Power Supply Rejection Ratio
f = 120 Hz, V
RIPPLE= 200 mVrms,
C
B=1F
28
dB
LM4834
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