CMOD232+ Maxim Integrated Products, CMOD232+ Datasheet - Page 11

• 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

(DV
f
otherwise noted. f
MCLK
-0.2
-0.4
-0.6
-0.8
-1.0
DD
1.0
0.8
0.6
0.4
0.2
0
= 12.288MHz, master integer mode, headphone volume set to +6dB, both channels driven in-phase, T
= AV
10
R
DAC IN TO HP
DAC IN = 0dBFS
LOAD
DD
= 32Ω
100
= PV
IN
GAIN FLATNESS
-100
-120
-140
vs. FREQUENCY
-20
-40
-60
-80
FREQUENCY (Hz)
20
10
0
DD
= 984.375Hz, A-weighted THD+N.)
9
8
7
6
5
4
3
2
______________________________________________________________________________________
1.8
10
1k
vs. AV
= 3.0V, AGND = DGND = PGND = 0V, C1 = 0.47µF, C2 = 2.2µF, C
DAC IN = -60dBFS
DAC IN TO LINE OUT
f
AV
IN
2.0
T
T
= 1kHz
A
DD
A
= -40°C
= +85°C
DD
2.2
AND PV
100
10k
AND PV
AV
2.4
WIDEBAND FFT
FREQUENCY (Hz)
DD
Stereo Audio DAC with DirectDrive
DD
2.6
AND PV
DD
1k
SUPPLY CURRENT
100k
2.8
SUPPLY VOLTAGE
T
DD
A
= +25°C
3.0
(V)
10k
3.2
100
Typical Operating Characteristics (continued)
95
90
85
80
75
70
65
60
3.4
5
SLAVE NONINTEGER MODE
DAC IN = -60dBFS
f
AV
f
LRCLK
ICLK
100k
3.6
DD
10
= f
SNR vs. MCLK FREQUENCY
= 3.0V
= 32kHz, 44.1kHz, 48kHz
MCLK
MCLK FREQUENCY (MHz)
15
f
ICLK
/ 1
= f
20
MCLK
/ 2
25
f
ICLK
Headphone Amplifier
f
40
35
30
25
20
15
10
10
ICLK
30
9
8
7
6
5
4
3
2
1
0
= f
-40
1.0
= f
MCLK
AV
THD+N = 1%
MCLK
35
R
DD
R
LOAD
LOAD
/ 3
1.5
= 1.8V
/ 4
DIGITAL SUPPLY CURRENT
-15
40
T
= 16Ω
= 32Ω
A
vs. TEMPERATURE
= +85°C, +25°C, -40°C
OUTPUT POWER
TEMPERATURE (°C)
2.0
10
vs. DV
NREG
DV
-100
-120
-140
-20
-40
-60
-80
2.5
DD
20
0
(V)
DD
= C
35
10
3.0
DAC IN = 0dBFS
DAC IN TO LINE OUT
f
IN
PREG
= 1kHz
60
3.5
100
= C
WIDEBAND FFT
FREQUENCY (Hz)
4.0
REF
85
1k
A
= 1µF, f
= +25°C, unless
10k
S
= 48kHz,
100k
11