English
Language : 

HWD2111 Datasheet, PDF (4/19 Pages) List of Unclassifed Manufacturers – Dual 105mW Headphone Amplifier with Digital Volume Control and Shutdown Mode
Electrical Characteristics (Notes 1, 8)
The following specifications apply for VDD = 3.3V unless otherwise specified, limits apply to TA = 25˚C.
Symbol
Parameter
Conditions
HWD2111
Typical
Limit
(Note 4) (Note 5)
IDD
Supply Current
VIN = 0V, IO = 0A
1.1
ISD
Shutdown Current
VIN = 0V
0.3
VOS
Output Offset Voltage
VIN = 0V
4.0
Po
Output Power
0.1% THD+N; f = 1kHz
RL = 16Ω
40
RL = 32Ω
28
THD+N Total Harmonic Distortion
PO = 25mW, RL = 32Ω
0.5
f = 20Hz to 20kHz
PSRR Power Supply Rejection Ratio
CB = 1.0µF, VRIPPLE = 100mVPP
60
f = 217Hz
VIH
(CLOCK, UP/DN, SHUTDOWN)
1.4
Input Voltage High
VIL
(CLOCK, UP/DN, SHUTDOWN)
0.4
Input Voltage Low
Digital Volume Range
Input referred minimum gain
−33
Input referred maximum gain
+12
Digital Volume Stepsize
All 16 discrete steps
3.0
Stepsize Error
All 16 discrete steps
±0.3
Channel−to−Channel Volume
All gain settings from
0.15
Tracking Error
−33dB to +12dB
Shutdown Attenuation
Shutdown mode active
−100
Units
(Limits)
mA
µA
mV
mW
mW
%
dB
V (min)
V (max)
dB
dB
dB
dB
dB
dB
Electrical Characteristics (Notes 1, 8)
The following specifications apply for VDD = 2.6V unless otherwise specified, limits apply to TA = 25˚C.
Symbol
Parameter
Conditions
HWD2111
Typical
Limit
(Note 4) (Note 5)
IDD
Supply Current
VIN = 0V, IO = 0A
1.0
ISD
Shutdown Current
VIN = 0V
0.3
VOS
Output Offset Voltage
VIN = 0V
4.0
Po
Output Power
0.1% THD+N; f = 1kHz
RL = 16Ω
20
RL = 32Ω
16
THD+N Total Harmonic Distortion
PO = 15mW, RL = 32Ω
0.6
f = 20Hz to 20kHz
PSRR Power Supply Rejection Ratio
CB = 1.0µF, VRIPPLE = 100mVPP
60
f = 217Hz
VIH
(CLOCK, UP/DN, SHUTDOWN)
1.4
Input Voltage High
VIL
(CLOCK, UP/DN, SHUTDOWN)
0.4
Input Voltage Low
Digital Volume Range
Input referred minimum gain
−33
Input referred maximum gain
+12
Digital Volume Stepsize
All 16 discrete steps
3.0
Stepsize Error
All 16 discrete steps
±0.3
Channel−to−Channel Volume
All gain settings from
0.15
Tracking Error
−33dB to +12dB
Units
(Limits)
mA
µA
mV
mW
mW
%
dB
V (min)
V (max)
dB
dB
dB
dB
dB
4