MAX9853 Maxim Integrated Products, MAX9853 Datasheet - Page 9

• Manufacturer Part Number: MAX9853
• Description: (MAX9851 / MAX9853) Stereo Audio CODECs
• Manufacturer: Maxim Integrated Products

ELECTRICAL CHARACTERISTICS (continued)
(AV
10kΩ, R
PGAs = 0dB, HP/REC volume = -20.0dB, SPK volume = -20.4dB, line output gain = -0.4dB, T
noted. Typical values are at T
Stereo Audio CODECs with Microphone, DirectDrive
HEADPHONE AMPLIFIERS
Output Power
0dBFS Output Voltage
Line In to HP Out Voltage Gain
Output Offset Voltage
Total Harmonic Distortion Plus
Noise
Dynamic Range
Power-Supply Rejection Ratio
(DAC Input to HP Out)
Maximum Capacitive Load
Crosstalk (Line Input to
Headphone Output)
Channel Gain Matching
Click-and-Pop Level
SPEAKER AMPLIFIERS (MAX9851) (Note 12)
Output Power
0dBFS Output Voltage
DD
Headphones, Speaker Amplifiers, or Line Outputs
= CPV
OUTR+
PARAMETER
DD
to R
= +3V, DV
OUTR-
_______________________________________________________________________________________
= 10kΩ, C1 = 0.22µF, C2 = C
DD
A
= DV
= +25°C.) (See Functional Diagrams/Typical Operating Circuits).
DDS2
SYMBOL
AV
THD+N
PSRR
P
P
V
MATCH
K
DR
C
OUT
OUT
OS
CP
= +1.8V, PV
L
f = 1kHz, THD < 1%,
volume +5.5dB
+4.5dB volume setting, input is full-scale
signal from the audio DAC
+4.5dB volume setting
R
BW = 22Hz to 20kHz
R
BW = 22Hz to 20kHz
+5.5dB volume setting (DAC input to HP
output), A-weighted
AV
V
V
No sustained oscillations
R
Line input to headphone output
Peak voltage, 32-
samples per second,
A-weighted,
R
f = 1kHz,
2V
+13.1dB
speaker amp
volume setting
+12.1dB volume setting, P
L
L
RIPPLE
RIPPLE
L
L
P-P
CC
= 32Ω, P
= 16Ω, P
= 32Ω, P
= 32Ω (Note 11)
DD
= 2.6V to 3.6V
line input,
NREG
= +3.3V, R
= 100mV
= 100mV
OUT
OUT
OUT
= C
CONDITIONS
= 50mW, f = 1kHz,
= 60mW, f = 1kHz,
= 1.6mW, f = 1kHz
P-P
P-P
PREG
PV
THD+N < 1%
PV
THD+N < 1%
PV
THD+N < 10%
PV
THD+N < 10%
HP
, f = 217Hz
, f = 10kHz
DD
DD
DD
DD
= 32Ω, Z
= C
= 3.3V,
= 5V,
= 3.3V,
= 5V,
R
R
Stereo/mono
Balanced mono
Into shutdown, HP
disabled
Out of shutdown,
HP enabled
L
L
VDD
INTMICBIAS
= 16Ω
= 32Ω
SPK
= +5V
= 8Ω + 10µH, R
R
R
R
R
L
L
L
L
, C
= 8Ω
= 8Ω
= 8Ω
= 8Ω
MBIAS
A
= C
MIN
3.14
1.54
3.1
30
70
60
= T
REC
REF
MIN
= 32Ω, R
= 1µF, MCLK = 13MHz, all
1150
1250
to T
TYP
3.38
1.66
3.35
0.03
0.03
87.5
150
500
600
-85
-53
-48
8.4
±1
80
55
10
95
95
68
MAX
OUTL+
, unless otherwise
MAX
3.62
1.78
3.6
40
to R
UNITS
OUTL-
V
V
dBV
mW
mW
V/V
mV
dB
dB
pF
dB
%
%
P-P
P-P
=
9