MAX1421 Maxim, MAX1421 Datasheet - Page 8

• Manufacturer Part Number: MAX1421
• Description: 12-Bit / 40Msps / +3.3V / Low-Power ADC with Internal Reference
• Manufacturer: Maxim

12-Bit, 40Msps, +3.3V, Low-Power ADC
with Internal Reference
(V
load C
8
AVDD
_______________________________________________________________________________________
L
= V
= 10pF, T
DVDD
= +3.3V, AGND = DGND = 0, V
A
= T
2.10
2.08
2.06
2.04
2.02
2.00
90
80
70
60
50
MIN
-40
10
to T
INTERNAL REFERENCE VOLTAGE
MAX,
-15
SFDR, SNR, THD, SINAD
vs. CLOCK FREQUENCY
CLOCK FREQUENCY (MHz)
vs. TEMPERATURE
THD
18
TEMPERATURE (°C)
unless otherwise noted. Typical values are at T
SINAD
10
26
35
SNR
f
IN
SFDR
= 5MHz
IN
Typical Operating Characteristics (continued)
= ±1.024V, differential input voltage, f
60
34
85
50,000
45,000
40,000
35,000
30,000
25,000
20,000
15,000
10,000
2.0750
2.0625
2.0500
2.0375
2.0250
5000
0
3.1
OUTPUT NOISE HISTOGRAM (DC-INPUT)
N-3
1
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
179
N-2
A
3.2
DIGITAL OUTPUT NOISE
= +25°C.)
10709
N-1
CLK
43707
V
DD
N
3.3
= 40MHz (50% duty cycle), digital output
(V)
10824
N+1
N+2
116
3.4
N+3
0
3.5