MAX1205 Datasheet, PDF (5/12 Pages) Maxim Integrated Products – +5v sINGLE-sUPPLY, 1mSPS, 14-bIT sELF-cALIBRATING adc

+5V Single-Supply, 1Msps, 14-Bit
Self-Calibrating ADC
Typical Operating Characteristics
(AV_DD = +5V ±5%, DV_DD = DRV_DD = +3.3V, V_RFPS = +4.096V, V_RFNS = AGND, V_CM = +2.048V, differential input, f_CLK= 2.048MHz,
calibrated, T_A = +25°C, unless otherwise noted.)
INTEGRAL NONLINEARITY vs.
TWO’S COMPLEMENT OUTPUT CODE
1.25
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
-1.25
-8192 -6144 -4096 -2048 0 2048 4096 6144 8192
TWO’S COMPLEMENT OUTPUT CODE
DIFFERENTIAL NONLINEARITY vs.
TWO’S COMPLEMENT OUTPUT CODE
1.0
0.5
0
-0.5
-1.0
-8192 -6144 -4096 -2048 0 2048 4096 6144 8192
TWO’S COMPLEMENT OUTPUT CODE
SINGLE-TONE SPURIOUS-FREE DYNAMIC RANGE
vs. INPUT AMPLITUDE (fIN = 99.5kHz)
120
110
dBFS
100
90
80
70
60
dBc
50
40
30
-80 -70 -60 -50 -40 -30 -20 -10 0
INPUT AMPLITUDE (dBFS)
SIGNAL-TO-NOISE RATIO PLUS
DISTORTION vs. INPUT FREQUENCY
84
A_IN = -0.5dBFS
82
80
78
A_IN = -6dBFS
76
74
72
70
68
66
A_IN = -20dBFS
64
1
10
100
1000
INPUT FREQUENCY (kHz)
TOTAL HARMONIC DISTORTION
vs. INPUT FREQUENCY
-76
A_IN = -20dBFS
-78
-80
A_IN = -6dBFS
-82
-84
-86
-88
A_IN = -0.5dBFS
-90
1
10
100
1000
INPUT FREQUENCY (kHz)
SIGNAL-TO-NOISE RATIO
vs. INPUT FREQUENCY
85
A_IN = -0.5dBFS
80
A_IN = -6dBFS
75
70
65
A_IN = -20dBFS
60
1
10
100
1000
INPUT FREQUENCY (kHz)
SIGNAL-TO-NOISE RATIO PLUS DISTORTION
vs. SAMPLING RATE (fIN = 99.5kHz)
85
A_IN = -0.5dBFS
84
83
82
81
80
0.1
1
SAMPLE RATE (Msps)
TYPICAL FFT
(f_IN = 99.5kHz, 2048 VALUE RECORD)
-15
-30
-45
-60
-75
-90
-105
-120
-135
0
0
100 200 300 400 500 600
FREQUENCY (kHz)
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