MAX1185 Maxim, MAX1185 Datasheet - Page 7

• Manufacturer Part Number: MAX1185
• Description: Dual 10-Bit / 20Msps / +3V / Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs
• Manufacturer: Maxim

(V
unless otherwise noted.)
Internal Reference and Multiplexed Parallel Outputs
DD
-0.1
-0.2
-0.3
0.3
0.2
0.1
-2
-4
-6
-8
= +3V, OV
65
60
55
50
45
40
35
6
4
2
0
0
ANALOG INPUT FREQUENCY, SINGLE-ENDED
-20
0
1
SIGNAL-TO-NOISE PLUS DISTORTION vs.
FULL-POWER INPUT BANDWIDTH vs.
INPUT POWER (f
128
ANALOG INPUT FREQUENCY (MHz)
INTEGRAL NONLINEARITY
Dual 10-Bit, 20Msps, +3V, Low-Power ADC with
-16
(BEST END-POINT FIT)
256
DD
DIGITAL OUTPUT CODE
INPUT POWER (dB FS)
10
= +2.5V, V
384 512 640 768 896 1024
-12
_______________________________________________________________________________________
IN
= 7.5343935MHz)
-8
100
REFIN
-4
= +2.048V, differential input at -0.5dB FS, f
1000
0
Typical Operating Characteristics (continued)
-0.1
-0.2
-0.3
0.3
0.2
0.1
-60
-64
-66
-72
-76
-80
-2
-4
-6
-8
6
4
2
0
0
ANALOG INPUT FREQUENCY, SINGLE-ENDED
-20
1
0
SMALL-SIGNAL INPUT BANDWIDTH vs.
INPUT POWER (f
TOTAL HARMONIC DISTORTION vs.
128
DIFFERENTIAL NONLINEARITY
ANALOG INPUT FREQUENCY (MHz)
-16
256
DIGITAL OUTPUT CODE
INPUT POWER (dB FS)
V
10
IN
384 512 640 768 896 1024
= 100mV
-12
IN
= 7.5343935MHz)
P-P
-8
100
CLK
-4
= 20.00057MHz, C
1000
0
-0.1
-0.2
65
60
55
50
45
40
35
0.4
0.3
0.2
0.1
85
80
75
70
65
60
0
-20
-40
-20
INPUT POWER (f
SPURIOUS-FREE DYNAMIC RANGE vs.
INPUT POWER (f
L
GAIN ERROR vs. TEMPERATURE
≈ 10pF, T
SIGNAL-TO-NOISE RATIO vs.
-16
-15
-16
INPUT POWER (dB FS)
INPUT POWER (dB FS)
CHA
TEMPERATURE (°C)
-12
A
-12
10
= +25°C,
IN
CHB
IN
= 7.5343935MHz)
= 7.5343935MHz)
-8
35
-8
-4
60
-4
0
85
0
7