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DA7211 Datasheet(PDF) 21 Page - Dialog Semiconductor

Part # DA7211
Description  Ultra-low power stereo codec
PDF  105 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA7211 Datasheet(HTML) 21 Page - Dialog Semiconductor

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



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