CMOD232+ Maxim Integrated Products, CMOD232+ Datasheet - Page 10

• Manufacturer Part Number: CMOD232+
• Description: EVAL SYSTEM FOR MAX9850
• Manufacturer: Maxim Integrated Products

Specifications of CMOD232+

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Stereo Audio DAC with DirectDrive
Headphone Amplifier
10
(DV
f
otherwise noted. f
MCLK
-100
-110
-120
-100
-120
-140
-100
-120
-140
-40
-50
-60
-70
-80
-90
DD
-20
-40
-60
-80
-20
-40
-60
-80
0
______________________________________________________________________________________
0
= 12.288MHz, master integer mode, headphone volume set to +6dB, both channels driven in-phase, T
= AV
0
10
0
VOLUME SET TO -9.5dB
DAC IN = 0dBFS
R
LOAD
FFT, SLAVE NONINTEGER MODE
LINE OUT
f
f
FFT, MASTER INTEGER MODE
IN
MCLK
DD
CROSSTALK vs. FREQUENCY
= 1kHz
= 32Ω
100
= PV
5
= 12.288MHz
5
(DAC IN TO HP OUT)
(DAC IN = 0dBFS)
(DAC IN = 0dBFS)
IN
FREQUENCY (kHz)
FREQUENCY (Hz)
FREQUENCY (Hz)
DD
= 984.375Hz, A-weighted THD+N.)
10
1k
= 3.0V, AGND = DGND = PGND = 0V, C1 = 0.47µF, C2 = 2.2µF, C
10
L TO R
f
MCLK
15
10k
15
R TO L
LINE OUT
f
IN
= 12MHz
= 1kHz
100k
20
20
-100
-110
-120
-100
-120
-140
-100
-120
-140
-40
-50
-60
-70
-80
-90
Typical Operating Characteristics (continued)
-20
-40
-60
-80
-20
-40
-60
-80
0
0
0
10
0
LINE OUT
f
f
LINE OUT
f
f
IN
MCLK
VOLUME SET TO -9.5dB
LINE IN = 1V
R
IN
MCLK
LOAD
= 1kHz
= 1kHz
FFT, SLAVE NONINTEGER MODE
FFT, MASTER INTEGER MODE
CROSSTALK vs. FREQUENCY
= 12.288MHz
= 12MHz
= 32Ω
100
5
5
(DAC IN = -60dBFS)
(LINE IN TO HP OUT)
(DAC IN = -60dBFS)
RMS
FREQUENCY (kHz)
FREQUENCY (Hz)
FREQUENCY (Hz)
10
1k
10
L TO R
15
10k
15
R TO L
100k
20
20
NREG
-100
-120
-140
-100
-120
-140
-100
-110
-120
-20
-40
-60
-80
-20
-40
-60
-80
-40
-50
-60
-70
-80
-90
0
0
= C
0
0
10
LINE OUT
f
LINE OUT
f
MCLK
MCLK
VOLUME SET TO -9.5dB
DAC IN = 0dBFS
FFT, SLAVE NONINTEGER MODE
PREG
FFT, MASTER INTEGER MODE
= 12MHz
= 12.288MHz
CROSSTALK vs. FREQUENCY
100
5
5
(DAC IN TO LINE OUT)
= C
(DAC IN = IDLE)
(DAC IN = IDLE)
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
REF
L TO R
10
10
1k
A
= 1µF, f
= +25°C, unless
15
15
10k
S
R TO L
= 48kHz,
20
20
100k