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參數資料
型號: TS4871IS
元件分類: 音頻放大器
英文描述: AUDIO AMPLIFIER|SINGLE|TSSOP|8PIN|PLASTIC
中文描述: 音頻放大器|單| TSSOP封裝| 8引腳|塑料
文件頁數: 5/31頁
文件大小: 465K
代理商: TS4871IS
TS486-TS487
5/31
ELECTRICAL CHARACTERISTICS
V
CC
=
+3.3V
, GND =
0V
, T
amb
= 25
°
C (unless otherwise specified)
1)
1.
2.
3.
All electrical values are guaranted with correlation measurements at 2V and 5V.
Only for external gain version.
Guaranteed by design and evaluation.
Symbol
Parameter
Min.
Typ.
Max.
Unit
I
CC
Supply Current
No input signal, no load
1.8
2.5
mA
I
STANDBY
Standby Current
No input signal, V
STANDBY
=GND for TS486, R
L
=32
No input signal, V
STANDBY
=Vcc for TS487, R
L
=32
10
1000
nA
V
IO
Input Offset Voltage (V
ICM
= V
CC
/2)
1
mV
I
IB
Input Bias Current (V
ICM
= V
CC
/2)
2)
90
200
nA
P
O
Output Power
THD+N = 0.1% Max, F = 1kHz, R
L
= 32
THD+N = 1% Max, F = 1kHz, R
L
= 32
THD+N = 0.1% Max, F = 1kHz, R
L
= 16
THD+N = 1% Max, F = 1kHz, R
L
= 16
23
36
26
28
38
42
mW
THD + N
Total Harmonic Distortion + Noise (A
v
=-1)
R
L
= 32
,
P
out
= 16mW, 20Hz
F
20kHz
R
L
= 16
,
P
out
= 35mW, 20Hz
F
20kHz
0.3
0.3
%
PSRR
Power Supply Rejection Ratio, inputs grounded
3)
(A
v
=-1), RL>=16
, C
B
=1
μ
F, F = 1kHz
,
Vripple = 200mVpp
53
58
dB
I
O
Max Output Current
THD +N
1%, R
L
= 16
connected between out and V
CC
/2
64
75
mA
V
O
Output Swing
V
OL
: R
L
= 32
V
OH
: R
L
= 32
V
OL
: R
L
= 16
V
OH
: R
L
= 16
2.85
2.68
0.3
3
0.45
2.85
0.38
0.52
V
SNR
Signal-to-Noise Ratio (A weighted, A
v
=-1)
3)
(R
L
= 32
,
THD +N < 0.4%, 20Hz
F
20kHz)
80
98
dB
Crosstalk
Channel Separation, R
L
= 32
,
A
v
=-1
F = 1kHz
F = 20Hz to 20kHz
Channel Separation, R
L
= 16
,
A
v
=-1
F = 1kHz
F = 20Hz to 20kHz
80
76
77
69
dB
C
I
Input Capacitance
1
pF
GBP
Gain Bandwidth Product (R
L
= 32
)
1.1
MHz
SR
Slew Rate, Unity Gain Inverting (R
L
= 16
)
0.4
V/
μ
s
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參數描述
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TS4872 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RAIL TO RAIL INPUT/OUTPUT 1W AUDIO POWER AMPLIFIER WITH STANDBY MODE
TS487-2 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE
TS4872_05 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:RAIL TO RAIL INPUT/OUTPUT 1W AUDIO POWER AMPLIFIER WITH STANDBY MODE
TS4872IJT 制造商:STMicroelectronics 功能描述:
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