MAX1421 Maxim, MAX1421 Datasheet - Page 6

• 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
6
(V
load C
AVDD
-100
-120
_______________________________________________________________________________________
-50
-56
-62
-68
-74
-80
-20
-40
-60
-80
80
70
60
50
40
30
20
10
0
L
0
-60
= V
0
= 10pF, T
1
TWO-TONE IMD, 8192-POINT RECORD,
f
f
TWO-TONE ENVELOPE:
A
IN1
IN2
-0.49dB FS
IN1
TOTAL HARMONIC DISTORTION vs.
DVDD
2
vs. INPUT POWER (f
= 11.5104229MHz
= 13.5126603MHz
= A
ANALOG INPUT FREQUENCY (MHz)
-50
IMD2
ANALOG INPUT FREQUENCY
ANALOG INPUT FREQUENCY (MHz)
IN2
SIGNAL-TO-NOISE RATIO
4
DIFFERENTIAL INPUT
= -6.5dB FS
= +3.3V, AGND = DGND = 0, V
A
INPUT POWER (dB FS)
6
-40
= T
8
MIN
-30
f
10 12 14 16
10
IN1
to T
IN
-20
MAX,
= 15MHZ)
f
IN2
-10
unless otherwise noted. Typical values are at T
IMD3
18 20
100
0
IN
Typical Operating Characteristics (continued)
-30
-40
-50
-60
-70
-80
85
77
69
61
53
45
70
66
62
58
54
50
= ±1.024V, differential input voltage, f
-60
1
1
SPURIOUS-FREE DYNAMIC RANGE vs.
SIGNAL-TO-NOISE PLUS DISTORTION
vs. INPUT POWER (f
TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT FREQUENCY
-50
ANALOG INPUT FREQUENCY
ANALOG INPUT FREQUENCY (MHz)
ANALOG INPUT FREQUENCY (MHz)
INPUT POWER (dB FS)
-40
-30
10
10
IN
-20
= 15MHz)
-10
A
= +25°C.)
100
100
0
CLK
= 40MHz (50% duty cycle), digital output
70
66
62
58
54
50
-20
80
70
60
50
40
30
20
80
60
40
20
0
-60
-60
1
SIGNAL-TO-NOISE PLUS DISTORTION
SPURIOUS-FREE DYNAMIC RANGE
vs. INPUT POWER (f
vs. INPUT POWER (f
-50
-50
SIGNAL-TO-NOISE RATIO vs.
ANALOG INPUT FREQUENCY
ANALOG INPUT FREQUENCY (MHz)
INPUT POWER (dB FS)
INPUT POWER (dB FS)
-40
-40
-30
-30
10
IN
IN
-20
-20
= 15MHz)
= 15MHz)
-10
-10
100
0
0