Datasheet

MAX197
Multi-Range (±10V, ±5V, +10V, +5V),
Single +5V, 12-Bit DAS with 8+4 Bus Interface
6 _______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(T
A
= +25°C, unless otherwise noted.)
-0.150
0 1000 3000
INTEGRAL NONLINEARITY
vs. DIGITAL CODE
-0.050
0.250
MAX197-1
DIGITAL CODE
INTEGRAL NONLINEARITY (LSB)
2000 4000
0.150
0.050
-0.100
0.000
0.200
0.100
0
-120
05025
FFT PLOT
-100
-60
-40
-20
FREQUENCY (kHz)
AMPLITUDE (dB)
-80
f
TONE
= 10kHz
f
SAMPLE
= 100kHz
MAX197-2
10.0
1 10 100
EFFECTIVE NUMBER OF BITS
vs. INPUT FREQUENCY
10.5
MAX197-3
INPUT FREQUENCY (kHz)
EFFECTIVE NUMBER OF BITS
11.0
11.5
12.0
F
SAMPLE
= 100kHz
4.100
4.080
-55
-35 45
105 125
TEMPERATURE (°C)
V
REF
(V)
-15
525 65
85
4.095
4.090
4.085
REFERENCE OUTPUT VOLTAGE (V
REF
)
vs. TEMPERATURE
MAX197-4
REFADJ
A
V
= 1.6384
REF
+2.5V
INTERNAL
REFERENCE
0.33
0.27
-70 -50 50 110
130
TEMPERATURE (°C)
CHANNEL-TO-CHANNEL
GAIN-ERROR MATCHING (LSB)
-30 -10 10 30 70 90
0.32
0.30
0.29
0.28
0.31
CHANNEL-TO-CHANNEL
GAIN-ERROR MATCHING vs. TEMPERATURE
MAX197-7
MAX197-5
-70 -50
50
110
130
TEMPERATURE (°C)
PSRR (LSB)
-30 -10 10 30 70 90
0.2
0.4
-0.2
-0.4
-0.6
0
POWER-SUPPLY REJECTION RATIO
vs. TEMPERATURE
100Hz
120Hz
V
DD
= 5V ±0.25V
MAX197-6
0.10
-70 -50 50 110
130
TEMPERATURE (°C)
CHANNEL-TO-CHANNEL
OFFSET-ERROR MATCHING (LSB)
-30 -10 10 30 70 90
0.20
0.16
0.14
0.12
0.18
CHANNEL-TO-CHANNEL
OFFSET-ERROR MATCHING vs. TEMPERATURE