參數(shù)資料
型號: AS1703-T
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: 音頻/視頻放大
英文描述: 1.6W Single-Channel Audio Power Amplifiers
中文描述: 1.6 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO10
封裝: 3 X 3 MM, 0.80 MM HEIGHT, MSOP-10
文件頁數(shù): 3/13頁
文件大小: 187K
代理商: AS1703-T
www.austriamicrosystems.com
Revision 1.01
3 - 13
AS1702, AS1703, AS1704, AS1705
Data Sheet
austria
micro
systems
5V Operation
5 Electrical Characteristics
5.1 5V Operation
V
CC
= 5V, GND = 0V, SHDN = V
CC
, SHDM = GND, R
IN
= R
F
= 10k
(AS1702), T
AMB
= +25°C, C
BIAS
= 0.1μF, no load.
Typical values are at T
AMB
= +25°C (unless otherwise specified). All specifications are 100% tested at T
AMB
= +25°C
(unless otherwise specified). Specifications over temperature (T
AMB
= T
MIN
to T
MAX
) are guaranteed by design, not
production tested.
Table 2. Electrical Characteristics – 5V Supply
Symbol
Parameter
Conditions
V
CC
Supply Voltage
V
IN-
= V
IN+
= V
BIAS
;
T
AMB
= -40 to +85°C, per amplifier
I
SHDN
Shutdown Supply
SHDN = SHDM = GND per amplifier
V
IH
SHDN
,
SHDM
Threshold
V
IL
Common-Mode Bias
Voltage
2
A
V
= 0dB (AS1703)
A
V
= 3dB (AS1704)
A
V
= 6dB (AS1705)
A
V
= 0dB (AS1703)
A
V
= 3dB (AS1704)
A
V
= 6dB (AS1705)
External Gain AS1702
R
IN
Input Impedance
AS1703, AS1704, AS1705
Common-Mode
Rejection Ration
f
N
= 1kHz
V
IN-
= V
IN+
= V
BIAS
;
V
RIPPL
E = 200mVp-p;
R
L
= 8
;
C
BIAS
= 1μF
THD+N = 1%;
f
IN
= 1kHz
R
L
= 4
, f
IN
= 1kHz, P
OUT
= 1.28W,
V
CC
= 5V, A
V
= 6dB
R
L
= 8
, f
IN
= 1kHz, P
OUT
= 0.9W,
V
CC
= 5V, A
V
= 6dB
Gain Accuracy
AS1703, AS1704, AS1705
Thermal Shutdown
Threshold
Thermal Shutdown
Hysteresis
Maximum Capacitive
Drive
Power-up/Enable from
Shutdown Time
t
SHDN
Shutdown Time
V
POP
Turn-Off Transient
5
Min
2.7
Typ
Max
5.5
Unit
V
I
CC
Supply Current
1
1. Quiescent power supply current is specified and tested with no load. Quiescent power supply current depends
on the offset voltage when a practical load is connected to the amplifier. Guaranteed by design.
2. Common-mode bias voltage is the voltage on BIAS and is nominally V
CC
/2.
3. Output power is specified by a combination of a functional output current test and characterization analysis.
4. Measurement bandwidth for THD+N is 22Hz to 22kHz.
5. Peak voltage measured at power-on, power-off, into or out of SHDN. Bandwidth defined by A-weighted filters,
inputs at AC GND. V
CC
rise and fall times
1ms.
8
10.4
mA
0.05
1
μA
0.7 x V
CC
V
0.3 x V
CC
V
BIAS
V
CC
/2 - 5% V
CC
/2 V
CC
/2 + 5%
V
V
OS
Output Offset Voltage
V
IN-
= V
IN+
= V
BIAS
±1
±1
±1
±10
±15
±20
mV
V
IC
Common-Mode Input
Voltage
Inferred from CMRR
Test
0.5
0.5
0.5
0.5
10
-50
V
CC
- 0.5
V
CC
- 0.6
V
CC
- 0.8
V
CC
- 1.2
20
V
15
-60
-64
-79
k
CMRR
dB
PSRR
Power Supply
Rejection Ratio
f = 217Hz
dB
f = 1kHz
R
L
= 8
R
L
= 4
-73
P
OUT
Output Power
3
0.8
1.2
1.6
W
THD+N
Total Harmonic
Distortion plus Noise
4
0.06
%
0.03
±1
±2
%
+145
°C
9
°C
C
LOAD
Bridge-tied capacitance
500
pF
t
PU
125
ms
3.5
50
μs
mV
相關PDF資料
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