wm9010 Wolfson Microelectronics plc, wm9010 Datasheet - Page 6

• Manufacturer Part Number: wm9010
• Description: Low Power, Class G Stereo Headphone Driver
• Manufacturer: Wolfson Microelectronics plc

WM9010
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ELECTRICAL CHARACTERISTICS
Test Conditions
VDD = 1.8V, GND = 0V, Load resistance = 16Ω, T
Analogue Inputs (INL, INR)
Maximum input signal
level
Input resistance
Input capacitance
Headphone Output Path (HPOUTL, HPOUTR)
Output Power
Signal to Noise ratio
Total Harmonic
Distortion + Noise
DC Offset
Channel separation
Mute attenuation
Power supply rejection
Maximum load
capacitance
Digital Input (ENA)
Input high level
Input low level
Other Parameters
Quiescent current
Shutdown current
Start-up time
PARAMETER
SYMBOL
THD+N
PSRR
SNR
I
I
P
VDD
VDD
O
Single-ended input
R
R
R
R
A-weighted
R
R
R
R
ENA = 0
100mV pk-pk @ 217Hz on VDD
HPOUTL or HPOUTR
ENA = 1, Inputs grounded
ENA = 0
L
L
L
L
L
L
L
L
= 32Ω; THD+N = 0.1%
= 32Ω; THD+N = 1%
= 16Ω; THD+N = 0.1%
= 16Ω; THD+N = 1%
= 32Ω; P
= 32Ω; P
= 16Ω; P
= 16Ω; P
A
TEST CONDITIONS
= +25
O
O
O
O
o
= 20mW
= 5mW
= 20mW
= 5mW
C, 1kHz signal unless otherwise stated.
0.8 x VDD
MIN
VDD/1.8
TBD
TBD
TBD
TYP
100
-88
-84
-80
-79
0.5
20
27
28
31
33
95
12
1
1
PP, January 2010, Rev 1.0
0.2 x VDD
MAX
1
2
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Vrms
UNIT
mW
mV
mA
kΩ
ms
pF
dB
dB
dB
dB
dB
nF
μA
V
V
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