MAX98090BEWJ+T Maxim Integrated, MAX98090BEWJ+T Datasheet - Page 53
MAX98090BEWJ+T
Manufacturer Part Number
MAX98090BEWJ+T
Description
Interface - CODECs 5V 130mW Stereo Headphone Amp
Manufacturer
Maxim Integrated
Datasheet
1.MAX98090BETL.pdf
(166 pages)
- Current page: 53 of 166
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MAX98090
Typical Operating Characteristics (continued)
(V
between RCVP/LOUTL and RCVN/LOUTR (LINMOD = 0). Line output loads (R
RCVN/LOUTR to GND (LINMOD = 1). Headphone loads (R
nected between SPK_P and SPK_N. R
= C
A
0, 20-bit source data. T
www.maximintegrated.com
V_DACGAIN
AVDD
CPVDD
100
120
100
90
80
70
60
50
40
30
20
10
80
60
40
20
0
0
10
0
= V
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (DAC TO SPEAKER)
f
f
V
Z
MCLK
LRCLK
SPK
RIPPLE
Z
SPK
= C
HPVDD
0.5
OUTPUT POWER PER CHANNEL (W)
POWER (DAC TO SPEAKER)
= 8I + 68µH
= 0dB, A
= 12.288MHz
= 48kHz
EFFICIENCY vs. OUTPUT
= 8I + 68µH
= 100mV
100
CPVSS
OTHER SUPPLIES
1.0
FREQUENCY (Hz)
= V
P-P
V_MIXGAIN
SPK_VDD
DVDDIO
= 1µF. A
A
1.5
1k
= T
V
f
f
A
MCLK
LRCLK
SPK_VDD
V_SPKPGA
Z
SPK
MIN
2.0
= 12.288MHz
= 48kHz
= 4I + 33µH
= 1.8V, V
10k
V_MICPRE_
to T
= 4.2V
= 0dB, A
= +8dB
2.5
MAX
RCV
100k
3.0
DVDD
unless otherwise noted. Typical values are at T
V_RCV
= J, R
= A
= 1.2V, V
V_MICPGA_
-100
-120
100
-20
-40
-60
-80
= A
90
80
70
60
50
40
30
20
10
0
0
LOUT
10
0
V_LOUT
f
f
A
Z
MCLK
LRCLK
SPK
V_SPKPGA
Z
0.25
SPK
SPKLVDD
= J, R
CROSSTALK vs. FREQUENCY
OUTPUT POWER PER CHANNEL (W)
POWER (DAC TO SPEAKER)
= 8I + 68µH
= 12.288MHz
RIGHT TO LEFT
EFFICIENCY vs. OUTPUT
= 8I + 68µH
= 48kHz
0.50
100
= A
= A
(DAC TO SPEAKER)
HP
= 0dB
HP
FREQUENCY (Hz)
V_LINEPGA_
0.75
) connected from HPL or HPR to GND. Speaker loads (Z
V_HP
= V
= J, Z
1.00
1k
SPKRVDD
= A
V
f
f
A
LEFT TO RIGHT
Z
MCLK
LRCLK
Ultra-Low Power Stereo Audio Codec
SPK_VDD
V_SPKPGA
1.25
SPK
SPK
V_SPK
= 4I + 33µH
= 12.288MHz
= 48kHz
= 0dB, A
1.50
10k
= J. C
= 3.7V
= +8dB
= V
1.75
= 0dB. f
LOUT
SPKVDD
REF
100k
2.00
V_ADCLVL
) connected between from RCVP/LOUTL and
= 2.2µF, C
MCLK
A
= +25°C.) (Note 2)
= 3.7V. Receiver load (R
-100
-120
-140
-160
-20
-40
-60
-80
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
= 12.288MHz, f
20
0
0
= A
SUPPLY CURRENT vs. SUPPLY VOLTAGE
2.5
0
BIAS
V_ADCGAIN
f
f
Z
MCLK
LRCLK
-3dBFS INPUT (DAC TO SPEAKER)
SPK
INBAND OUTPUT SPECTRUM,
3.0
= 8I + 68µH
= C
= 12.288MHz
= 48kHz
5
(DAC TO SPEAKER)
SUPPLY VOLTAGE (V)
MICBIAS
3.5
FREQUENCY (kHz)
LRCLK
Maxim Integrated │ 53
= 0dB, A
4.0
10
f
= 1µF, C
MCLK
= 48kHz, MAS =
A
Z
RCV
SPK
V_SPKPGA
4.5
f
LRCLK
= 12.288MHz
= 8I + 68µH
V_DACLVL
) connected
15
SPK
= 48kHz
5.0
C1N-C1P
= -6dB
) con-
5.5
20
=
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