SGM4809 Datasheet, PDF (3/10 Pages) SG Micro Corp – Headphone Amplifier

SGM4809
Dual 158mW Headphone Amplifier
with Active Low Shutdown Mode
ELECTRICAL CHARACTERISTICS
(T_A = +25℃, unless otherwise specified.)
PARAMETER
Supply Voltage
Shutdown Current
Output Offset Voltage
Quiescent Power Supply Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Power (per Channel)
Total Harmonic Distortion + Noise
Crosstalk
Power Supply Rejection Ratio
Wake-Up Time
SYMBOL
V₊
ISD
VOS
IQ
V_SDIH
VSDIL
P_O
THD+N
XTALK
PSRR
T_WU
CONDITIONS
VIN = 0V, VSHDN = GND, V+ = 5.0V
V_IN = 0V, V_SHDN = GND, V₊ = 3.3V
V_IN = 0V, V_SHDN = GND, V₊ = 2.6V
VIN = 0V, VSHDN = V+ = 5.0V
V_IN = 0V, V_SHDN = V₊ = 3.3V
VIN = 0V, VSHDN = V+ = 2.6V
V_IN = 0V,
VSHDN = V+
V+ = 5.0V, No Load
V₊ = 3.3V, No Load
V+ = 2.6V, No Load
V₊ = 5.0V
RL = 16Ω
R_L = 32Ω
f = 1kHz,
THD+N = 0.1%
V+ = 3.6V
V+ = 3.0V
RL = 16Ω
R_L = 32Ω
R_L = 16Ω
RL = 32Ω
V₊ = 2.6V
R_L = 16Ω
RL = 32Ω
P_O = 78mW, V₊ = 5.0V, R_L = 32Ω,
f = 20Hz to 20kHz
RL = 32Ω, PO = 70mW, V+ = 5V, f = 1kHz
V₊ = 5.0V
f = 217Hz
V+ = 3.6V
V+ = 3.0V
V₊ = 2.6V
V+ = 5.0V
f = 1kHz
V₊ = 3.6V
V₊ = 3.0V
V+ = 2.6V
V₊ = 5.0V, C_BYPASS = 0.47µF, R_L = 16Ω
MIN
TYP MAX UNITS
2.5
5.5
V
0.6
4
0.18
μA
0.1
-50
5.3
50
-50
4.7
50
mV
-50
4.4
50
1.83
2.8
1.72
mA
1.65
1.8
V
0.4
V
158
87
84
47
mW
58
33
42
25
0.3
%
-100
dB
-62
-62
-62
-62
dB
-71
-71
-71
-71
0.53
s
SG Micro Corp
3
www.sg-micro.com