MAX1132/MAX1133
16-Bit ADC, 200ksps, 5V Single-Supply
with Reference
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = +5V ±5%, fSCLK = 4.8MHz, external clock (50% duty cycle), 24 clocks/conversion (200ksps), bipolar input, external
VREF = +4.096V, VREFADJ = AVDD, CREF = 2.2F, CCREF = 1F, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ANALOG INPUT
Unipolar
0
12
MAX1132
Bipolar
-12
12
Unipolar
0
4.096
Input Range
MAX1133
Bipolar
-4.096
4.096
V
Unipolar
7.5
10.0
MAX1132
Bipolar
5.9
7.9
Unipolar
100
1000
Input Impedance
MAX1133
Bipolar
3.4
4.5
k
Input Capacitance
32
pF
CONVERSION RATE
Internal Clock Frequency
4
MHz
Aperture Delay
tAD
10
ns
Aperture Jitter
tAS
50
ps
MODE 1 (24 External Clock Cycles per Conversion)
Unipolar
0.1
3
External Clock Frequency
fSCLK
Bipolar
0.1
4.8
MHz
Unipolar
4.17
125
Sample Rate
fS = fSCLK /24
Bipolar
4.17
200
ksps
Unipolar
8
240
Conversion Time (Note 4)
tCONV+ACQ =
24 / fSCLK
Bipolar
5
240
s
MODE 2 (Internal Clock Mode)
External Clock Frequency
(Data Transfer Only)
8
MHz
Conversion Time
SSTRB low pulse width
4
6
s
Unipolar
1.82
Acquisition Time
Bipolar
1.14
s
MODE 3 (32 External Clock Cycles per Conversion)
External Clock Frequency
fSCLK
Unipolar or bipolar
0.1
4.8
MHz
Sample Rate
fS = fSCLK /32
Unipolar or bipolar
3.125
150
ksps
Conversion Time (Note 4)
tCONV+ACQ =
32 / fSCLK
Unipolar or bipolar
6.67
320
s
INTERNAL REFERENCE
Output Voltage
VREF
4.056
4.096
4.136
V
REF Short-Circuit Current
24
mA
Output Tempco
±20
ppm/oC