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DA7211 Datasheet, PDF (21/105 Pages) Dialog Semiconductor – Ultra-low power stereo codec
DA7211
Ultra-low power stereo codec
Company confidential
Table 13: Electrical characteristics: Headphone amplifier
(HPL, HPR)
Parameter Description
VMAX
Full-scale Output Signal
Conditions
No load
PMAX
DC output offset
Output Power per channel
Dynamic internal supply
voltages
VDDCP = 1.8 V, THD <
0.1%, RL=16 Ω 1 kHz
VDDCP = 2.5 V, THD <
0.1%, RL=16 Ω 1 kHz
VDD/3 or VDD/4 can
optionally be selected if two
flying caps are available
IQ
Quiescent current per
from VDDCP
channel
Load Impedance
13 < RL < 
SNR
VNOISE
Frequency Response
Amplitude Ripple
Programmable Gain
Mute Attenuation
Programmable Gain Step
Size
Absolute Gain Accuracy
Input Gain L/R-Mismatch
Input Gain Step Error
Signal to Noise Ratio
Output Noise Level
THD+N
Total Harmonic Distortion
Plus Noise
PSRR with Power Supply Rejection
respect to Ratio
AVDD
Output power per channel
+/- 0.5 dB
20 Hz – 20 kHz
0 dB @ 1 kHz
20 Hz – 20 kHz
20 Hz – 20 kHz
A weighting, gain = 0 dB
20 to 20 kHz, unweighted,
gain < -15 dB
VDDCP = 1.8 V, -5 dBFS,
RL=16 Ω
20 Hz - 2 kHz
2 kHz - 20 kHz
VDDCP=2.5 V, THD<1%,
RL=16 Ω, 1 kHz
Min
Typ Max Unit
1.6*VDD
CP
VPP
100
µV
25
30
mWRMS
50
58
mWRMS
±VDD
±VDD/2
(±VDD/3
(±VDD/4)
100
uA
13
16

400
µH
500
pF
20
20k
-0.5
0.5
dB
-54
15
dB
100
dB
1.5
dB
-0.8
0.8
dB
-0.1
0.1
dB
-0.1
0.1
dB
100
dB
<4.5
µVrms
-70
dB
70
dB
50
72
mW
Datasheet
CFR0011-120-00 Rev 5
Revision 3e
21 of 105
15-Oct-2015
© 2015 Dialog Semiconductor