MAX1279 Maxim Integrated Products, MAX1279 Datasheet - Page 6

• Manufacturer Part Number: MAX1279
• Description: (MAX1277 / MAX1279) 12-Bit ADCs
• Manufacturer: Maxim Integrated Products

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1.5Msps, Single-Supply, Low-Power, True-
Differential, 12-Bit ADCs with Internal Reference
(V
at T
6
DD
A
_______________________________________________________________________________________
= +3V, V
= +25°C.)
L
= V
DD
, f
-100
-120
-140
70.0
69.5
69.0
68.5
68.0
SCLK
-80
-84
-88
-92
-96
-20
-40
-60
-80
0
100
100
0
f
SINAD = 68.7dB
SNR = 68.9dB
THD = -83.1dB
SFDR = 85.0dB
= 24MHz, f
IN
vs. INPUT FREQUENCY (MAX1277)
= 500kHz
125
THD vs. INPUT FREQUENCY
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
DYNAMIC PERFORMANCE
200
200
FFT PLOT (MAX1277)
MAX1279
250
SAMPLE
300
375
300
MAX1277
SNR
SINAD
= 1.5Msps, T
500
Typical Operating Characteristics (continued)
400
400
625
750
500
500
A
= T
MIN
to T
-100
-120
-140
70.0
69.5
69.0
68.5
68.0
-20
-40
-60
-80
92
90
88
86
84
82
0
MAX
100
100
0
f
SINAD = 69.0dB
SNR = 69.1dB
THD = -88.9dB
SFDR = 85.9dB
IN
vs. INPUT FREQUENCY (MAX1279)
, unless otherwise noted. Typical values are measured
= 500kHz
125
SFDR vs. INPUT FREQUENCY
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
DYNAMIC PERFORMANCE
200
200
FFT PLOT (MAX1279)
250
MAX1277
375
300
300
SNR
SINAD
MAX1279
500
400
400
625
750
500
500