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AS1701 数据表(PDF) 4 Page - ams AG

部件名 AS1701
功能描述  1.6W Audio Power Amplifiers
PDF  17 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS1701 数据表(HTML) 4 Page - ams AG

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www.austriamicrosystems.com
Revision 1.52
4 - 17
AS1701, AS1706
Data Sheet - El ectrical Characte ristics
6 Electrical Characteristics
All specifications are 100% tested at TAMB = +25ºC.
5V Operation
VDD = 5V, RL =
∞, CBIAS = 0.1µF to GND, SHDN = GND, TAMB +25ºC (unless otherwise specified).
3V Operation
VDD = 3V, RL =
∞, CBIAS = 0.1µF to GND, SHDN = GND, TAMB +25ºC (unless otherwise specified).
Table 3. DC Electrical Characteristics – 5V Operation
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Supply Voltage Range
VDD
Inferred from PSRR Test
2.7
5.5
V
Supply Current
1
1. Quiescent power supply current is specified and tested without loads on the outputs. Quiescent power supply
current depends on the offset voltage when a practical load is connected to the device.
IDD
TAMB = -40 to +85ºC
6.8
10.4
mA
Shutdown Supply Current
ISHDN
SHDN = VDD
0.01
1
µA
SHDN Threshold
VIH
VDD x
0.7
V
VIL
VDD x
0.3
Common-Mode Bias Voltage
2
2. Common-mode bias voltage is the voltage on pin BIAS and is nominally VDD/2.
VBIAS
VDD/2
- 5%
VDD/2
VDD/2
+ 5%
V
Output Offset Voltage
VOS
Av = 2, IN- = OUT+, IN- = BIAS
±1
±10
mV
Power Supply Rejection Ratio
PSRR
Inputs Grounded, VRIPPLE =
200mVp-p, RL = 4
Ω, VIN- = VIN+ =
VBIAS
217Hz
65
dB
1kHz
63
Output Power
3
3. Guaranteed by design.
POUT
RL = 4
Ω, THD+N = 1%, fIN = 1kHz
1.6
W
RL = 8
Ω, THD+N = 1%, fIN = 1kHz
0.8
1.2
Total Harmonic
Distortion+Noise
THD+N
AV = 2, RL = 4
Ω, fIN = 1kHz, POUT = 1.3W
0.09
%
AV = 2, RL = 8
Ω, fIN = 1kHz, POUT = 1W
0.05
Thermal-Shutdown Threshold
145
ºC
Thermal-Shutdown Hysteresis
9
ºC
Power-Up/Enable from
Shutdown Time
tPU
150
ms
Shutdown Time
tSHDN
1µs
Turn-Off Transient
VPOP
20
mV
Table 4. DC Electrical Characteristics – 3V Operation
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Supply Current
1
1. Quiescent power supply current is specified and tested without loads on the outputs. Quiescent power supply
current depends on the offset voltage when a practical load is connected to the device.
IDD
TAMB = -40 to +85ºC
6
10
mA
Shutdown Supply Current
ISHDN
SHDN = VDD
0.01
1
µA
Output Power
2
2. Guaranteed by design.
POUT
RL = 4
Ω, THD+N = 1%, fIN = 1kHz
0.6
W
RL = 8
Ω, THD+N = 1%, fIN = 1kHz
0.4
Power Supply Rejection Ratio
PSRR
VRIPPLE = 200mVp-p,
RL = 8
Ω, VIN- = VIN+ = VBIAS
217Hz
65
dB
1kHz
63
Total Harmonic Distortion +Noise THD+N
AV = 2, RL = 4
Ω, fIN = 1kHz, POUT = 500mW
0.09
%
AV = 2, RL = 8
Ω, fIN = 1kHz, POUT = 350mW
0.06



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