www.austriamicrosystems.com/Audio/Amps/AS1701_06 Revision 1.53 4 - 18
AS1701, AS1706
Datasheet - Electrical Characteristics
6 Electrical Characteristics
All limits are guaranteed. The parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality Control)
methods.
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
Operating Temperature Range T
AMB -45 +85 °C
Supply Voltage Range V
DD 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.
I
DD TAMB = -40 to +85ºC 6.8 10.4 mA
Shutdown Supply Current ISHDN SHDN = VDD 0.01 1 µA
SHDN Threshold
V
IH
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 V
OS Av = 2, IN- = OUT+, IN- = BIAS ±1 ±10 mV
Power Supply Rejection Ratio PSRR
Inputs Grounded, V
RIPPLE = 200mVp-p,
RL = 4Ω, VIN- = VIN+ = VBIAS
217Hz 65
dB
1kHz 63
Output Power
3
3. Guaranteed by design.
P
OUT
RL = 4Ω, THD+N = 1%, fIN = 1kHz 1.6
W
RL = 8Ω, THD+N = 1%, fIN = 1kHz 0.8 1.2
Total Harmonic Distortion+Noise THD+N
A
V = 2, RL = 4Ω, fIN = 1kHz, POUT = 1.3W 0.09
%
A
V = 2, RL = 8Ω, fIN = 1kHz, POUT = 1W 0.05
Thermal-Shutdown Threshold 145 ºC
Thermal-Shutdown Hysteresis 9 ºC
Power-Up/Enable from Shutdown
Time
t
PU 150 ms
Shutdown Time tSHDN 1µs
Turn-Off Transient V
POP 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.
I
DD TAMB = -40 to +85ºC 6 10 mA
Shutdown Supply Current ISHDN SHDN = VDD 0.01 1 µA
Output Power
2
2. Guaranteed by design.
P
OUT
RL = 4Ω, THD+N = 1%, fIN = 1kHz 0.6
W
R
L = 8Ω, THD+N = 1%, fIN = 1kHz 0.4
Power Supply Rejection Ratio PSRR
V
RIPPLE = 200mVp-p,
RL = 8Ω, VIN- = VIN+ = VBIAS
217Hz 65
dB
1kHz 63
Total Harmonic Distortion +Noise THD+N
A
V = 2, RL = 4Ω, fIN = 1kHz, POUT = 500mW 0.09
%
A
V = 2, RL = 8Ω, fIN = 1kHz, POUT = 350mW 0.06
