MAX1027 Datasheet, PDF (5/23 Pages) Maxim Integrated Products – 10-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference

10-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
TIMING CHARACTERISTICS (Figure 1)
PARAMETER
SCLK Clock Period
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
CS or CNVST Rise to EOC
Low (Note 9)
SYMBOL
t_CP
t_CH
t_DOT
t_DOD
t_DOE
t_DS
t_DH
t_CSS
t_CSH
t_CSW
t_TS
t_RP
CONDITIONS
Externally clocked conversion
Data I/O
C_LOAD = 30pF
C_LOAD = 30pF
C_LOAD = 30pF
CKSEL = 00, CKSEL = 01 (temp sense)
CKSEL = 01 (voltage conversion)
Temp sense
Voltage conversion
Reference power-up
MIN TYP MAX UNITS
208
ns
100
40
60
%
40
ns
40
ns
40
ns
40
ns
0
ns
40
ns
0
ns
40
ns
1.4
µs
56
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
(V_DD = +3V, V_REF = +2.5V, f_SCLK = 4.8MHz, C_LOAD = 30pF, T_A = +25°C, unless otherwise noted.)
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
0
INTEGRAL NONLINEARITY
vs. OUTPUT CODE
256
512
768
1024
OUTPUT CODE
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
0
DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
256
512
768
1024
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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