Datasheet

MAX1274/MAX1275
1.8Msps, Single-Supply, Low-Power,
True-Differential, 12-Bit ADCs
_______________________________________________________________________________________ 5
Typical Operating Characteristics
(V
DD
= +5V, V
L
= V
DD
, V
REF
= 4.096V, f
SCLK
= 28.8MHz, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are measured
at T
A
= +25°C)
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1274)
MAX1274 toc01
DIGITAL OUTPUT CODE
INL (LSB)
400030001000 2000
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
-0.8
0 5000
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1275)
MAX1274 toc02
DIGITAL OUTPUT CODE
INL (LSB)
400030001000 2000
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
-0.8
0 5000
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1274)
MAX1274 toc03
DIGITAL OUTPUT CODE
DNL (LSB)
400030001000 2000
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
-0.8
0 5000
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1275)
MAX1274 toc04
DIGITAL OUTPUT CODE
DNL (LSB)
400030001000 2000
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
-0.8
0 5000
OFFSET ERROR
vs. TEMPERATURE (MAX1274)
MAX1274 toc05
TEMPERATURE (°C)
OFFSET ERROR (LSB)
6035-15 10
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
-0.4
-40 85
OFFSET ERROR
vs. TEMPERATURE (MAX1275)
MAX1274 toc06
TEMPERATURE (°C)
OFFSET ERROR (LSB)
6035-15 10
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-1.00
-40 85
GAIN ERROR
vs. TEMPERATURE (MAX1274)
MAX1274 toc07
TEMPERATURE (°C)
GAIN ERROR (LSB)
603510-15
-2.5
-2.0
-1.5
-1.0
-0.5
-3.0
-40 85
GAIN ERROR
vs. TEMPERATURE (MAX1275)
MAX1274 toc08
TEMPERATURE (°C)
GAIN ERROR (LSB)
603510-15
-2.5
-3.0
-2.0
-1.5
-1.0
-0.5
-40 85
FFT PLOT (MAX1274)
MAX1274 toc09
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE (dB)
800600400200
-120
-100
-80
-60
-40
-20
0
-140
0 1000
f
SAMPLE
= 2Msps
f
SCLK
= 32MHz
f
IN
= 100kHz
SINAD = 70.74dB
SNR = 70.82dB
THD = -88.63dB
SFDR = 87.07dB