參數(shù)資料
型號: LM4835MTE/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: TSSOP-28
文件頁數(shù): 22/28頁
文件大?。?/td> 917K
代理商: LM4835MTE/NOPB
Absolute Maximum Ratings (Note 12)
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 14)
2000V
ESD Susceptibility (Note 15)
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) — LQA028AA
3.0C/W
θ
JA (typ) — LQA028AA (Note 7)
42C/W
θ
JC (typ) — MTC28
20C/W
θ
JA (typ) — MTC28
80C/W
θ
JC (typ) — MXA28A
2C/W
θ
JA (typ) — MXA28A (Note 4)
41C/W
θ
JA (typ) — MXA28A (Note 3)
54C/W
θ
JA (typ) — MXA28A (Note 5)
59C/W
θ
JA (typ) — MXA28A (Note 6)
93C/W
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤T
MAX
40C
≤TA ≤ 85C
Supply Voltage
2.7V
≤ V
DD
≤ 5.5V
Electrical Characteristics for Entire IC
(Notes 8, 12) The following specifications apply for V
DD = 5V unless otherwise noted. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4835
Units
(Limits)
Typical
Limit
V
DD
Supply Voltage
2.7
V (min)
5.5
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A
15
30
mA (max)
I
SD
Shutdown Current
V
pin 2 =VDD
0.7
2.0
A (max)
V
IH
Headphone Sense High Input Voltage
4
V (min)
V
IL
Headphone Sense Low Input Voltage
0.8
V (max)
Electrical Characteristics for Volume Attenuators
(Notes 8, 12) The following specifications apply for V
DD = 5V. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4835
Units
(Limits)
Typical
Limit
C
RANGE
Attenuator Range
Gain with V
pin 7 =5V
0
±0.5
dB (max)
Attenuation with V
pin 7 = 0V
-81
-80
dB (min)
A
M
Mute Attenuation
V
pin 5 = 5V, Bridged Mode
-88
-80
dB (min)
V
pin 5 = 5V, Single-Ended Mode
-88
-80
dB (min)
Electrical Characteristics for Single-Ended Mode Operation
(Notes 8, 12) The following specifications apply for V
DD = 5V. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4835
Units
(Limits)
Typical
Limit
P
O
Output Power
THD = 1.0%; f = 1kHz; R
L =32
85
mW
THD=10%;f=1 kHz; R
L =32
95
mW
THD+N
Total Harmonic Distortion+Noise
V
OUT =1VRMS, f=1kHz, RL = 10k
,
A
VD =1
0.065
%
PSRR
Power Supply Rejection Ratio
C
B = 1.0 F, f =120 Hz,
V
RIPPLE = 200 mVrms
58
dB
LM4835
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