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參數(shù)資料
| 型號(hào)： | TS487-2 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE |
| 中文描述： | 100兆瓦立體聲耳機(jī)放大器具有待機(jī)模式 |
| 文件頁(yè)數(shù)： | 5/31頁(yè) |
| 文件大小： | 465K |
| 代理商： | TS487-2 |
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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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