Maxim MAX12527 TV Converter Box User Manual


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MAX12527
Dual, 65Msps, 12-Bit, IF/Baseband ADC
10 ______________________________________________________________________________________
-THD, SFDR vs. ANALOG SUPPLY VOLTAGE
(f
CLK
= 65.00352MHz, f
IN
= 175MHz)
MAX12527 toc22
V
DD
(V)
-THD, SFDR (dBc)
3.53.43.33.23.1
65
70
75
80
85
90
60
3.0 3.6
-THD
SFDR
SNR, SINAD vs. DIGITAL SUPPLY VOLTAGE
(f
CLK
= 65.00352MHz, f
IN
= 70MHz)
MAX12527 toc23
OV
DD
(V)
SNR, SINAD (dB)
3.33.02.72.42.11.8
62
64
66
68
70
72
60
1.5 3.6
SNR
SINAD
-THD, SFDR vs. DIGITAL SUPPLY VOLTAGE
(f
CLK
= 65.00352MHz, f
IN
= 70MHz)
MAX12527 toc24
OV
DD
(V)
-THD, SFDR (dBc)
3.33.02.72.42.11.8
65
70
75
80
85
90
60
1.5 3.6
-THD
SFDR
SNR, SINAD vs. DIGITAL SUPPLY VOLTAGE
(f
CLK
= 65.00352MHz, f
IN
= 175MHz)
MAX12527 toc25
OV
DD
(V)
SNR, SINAD (dB)
3.33.02.72.42.11.8
62
64
66
68
70
72
60
1.5 3.6
SNR
SINAD
-THD, SFDR vs. DIGITAL SUPPLY VOLTAGE
(f
CLK
= 65.00352MHz, f
IN
= 175MHz)
MAX12527 toc26
OV
DD
(V)
-THD, SFDR (dBc)
3.33.02.72.42.11.8
65
70
75
80
85
90
60
1.5 3.6
-THD
SFDR
P
DISS
, I
VDD
(ANALOG) vs. ANALOG SUPPLY VOLTAGE
(f
CLK
= 65.00352MHz, f
IN
= 175MHz)
MAX12527 toc27
V
DD
(V)
P
DISS
, I
VDD
(mW, mA)
3.53.43.33.23.1
100
200
300
400
500
600
700
800
900
0
3.0 3.6
P
DISS
(ANALOG)
I
VDD
P
DISS
, I
OVDD
(DIGITAL) vs. DIGITAL SUPPLY VOLTAGE
(f
CLK
= 65.00352MHz, f
IN
= 175MHz)
MAX12527 toc28
OV
DD
(V)
P
DISS
, I
OVDD
(mW, mA)
3.33.01.8 2.1 2.4 2.7
10
20
30
40
50
60
70
80
0
1.5 3.6
P
DISS
(DIGITAL)
C
L
≈ 5pF
I
OVDD
SNR, SINAD vs. CLOCK DUTY CYCLE
(f
IN
= 70MHz, A
IN
= -0.5dBFS)
MAX12527 toc29
CLOCK DUTY CYCLE (%)
SNR, SINAD (dB)
65554535
62
64
66
68
70
72
60
25 75
SNR
SINAD
SINGLE-ENDED CLOCK INPUT DRIVE
-THD, SFDR vs. CLOCK DUTY CYCLE
(f
IN
= 70MHz, A
IN
= -0.5dBFS)
MAX12527 toc30
CLOCK DUTY CYCLE (%)
-THD, SFDR (dBc)
65554535
65
70
75
80
85
90
60
25 75
-THD
SFDR
SINGLE-ENDED CLOCK INPUT DRIVE
Typical Operating Characteristics (continued)
(V
DD
= 3.3V, OV
DD
= 2.0V, GND = 0, REFIN = REFOUT (internal reference mode), C
L
≈ 5pF at digital outputs, V
IN
= -0.5dBFS,
DIFFCLK/SECLK = OV
DD
, PD = GND, G/T = GND, f
CLK
= 65MHz (50% duty cycle), T
A
= +25°C, unless otherwise noted.)
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