MAX1225 Maxim Integrated Products, MAX1225 Datasheet - Page 6

• Manufacturer Part Number: MAX1225
• Description: (MAX1224 / MAX1225) 12-Bit ADCs
• Manufacturer: Maxim Integrated Products

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1.5Msps, Single-Supply, Low-Power,
True-Differential, 12-Bit ADCs
(V
ues are measured at T
6
DD
_______________________________________________________________________________________
= +3V, V
L
= V
DD
, V
A
70.00
69.75
69.50
69.25
69.00
-100
-120
-140
= +25°C)
-82
-84
-86
-88
-90
-92
-20
-40
-60
-80
REF
0
100
100
0
= 2.048V, f
f
SINAD = 69.4dB
SNR = 69.6dB
THD = -83.9dB
SFDR = 84.3dB
IN
vs. INPUT FREQUENCY (MAX1224)
MAX1224
= 500kHz
125
THD vs. INPUT FREQUENCY
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
DYNAMIC PERFORMANCE
200
FFT PLOT (MAX1224)
200
MAX1225
250
SCLK
300
375
SNR
300
= 24MHz, f
SINAD
Typical Operating Characteristics (continued)
500
400
400
625
SAMPLE
500
750
500
= 1.5Msps, T
69.50
69.25
69.00
68.75
68.50
-100
-120
-140
-20
-40
-60
-80
92
90
88
86
84
82
0
100
100
0
f
SINAD = 69.2dB
SNR = 69.3dB
THD = -90.5dB
SFDR = 88.15dB
A
IN
vs. INPUT FREQUENCY (MAX1225)
= 500kHz
= T
SFDR vs. INPUT FREQUENCY
125
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
DYNAMIC PERFORMANCE
MIN
200
200
FFT PLOT (MAX1225)
250
to T
MAX1225
MAX
SNR
300
375
300
, unless otherwise noted. Typical val-
SINAD
MAX1224
500
400
400
625
500
750
500