MAX1230BCEG-T(2003) Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX1230BCEG-T
(Rev.:2003)
(Rev.:2003)
Maxim Integrated
MAX1230BCEG-T Datasheet PDF : 24 Pages
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12-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
TIMING CHARACTERISTICS (Figure 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Externally clocked conversion
208
SCLK Clock Period
tCP
ns
Data I/O
100
SCLK Duty Cycle
SCLK Fall to DOUT Transition
CS Rise to DOUT Disable
CS Fall to DOUT Enable
DIN to SCLK Rise Setup
SCLK Rise to DIN Hold
CS to SCLK Rise Setup
SCLK Rise to CS Hold
CNVST Pulse Width
tCH
40
tDOT
CLOAD = 30pF
tDOD CLOAD = 30pF
tDOE
CLOAD = 30pF
tDS
tDH
0
tCSS
tCSH
0
tCSW CKSEL = 00, CKSEL = 01 (temp sense)
40
CKSEL = 01 (voltage conversion)
1.4
60
%
40
ns
40
ns
40
ns
40
ns
ns
40
ns
ns
ns
µs
CS or CNVST Rise to EOC
Low (Note 9)
tTS
Temp sense
Voltage conversion
tRP
Reference power-up
55
7
µs
65
Note 9: This time is defined as the number of clock cycles needed for conversion multiplied by the clock period. If the internal refer-
ence needs to be powered up, the total time is additive. The internal reference is always used for temperature measurements.
Typical Operating Characteristics
(VDD = +5V, VREF = +4.096V, fSCLK = 4.8MHz, CLOAD = 30pF, TA = +25°C, unless otherwise noted.)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
INTEGRAL NONLINEARITY
vs. OUTPUT CODE
1024
2048
3072
4096
OUTPUT CODE
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
1024
2048
3072
4096
OUTPUT CODE
100
90
80
70
60
50
40
30
20
10
0
0.1
SINAD vs. FREQUENCY
1
10
100
1000
FREQUENCY (kHz)
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