MAX1185 Datasheet, PDF (7/20 Pages) Maxim Integrated Products – Dual 10-Bit, 20Msps, +3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs

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