MAX1026_11 Datasheet, PDF (5/22 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
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Externally clocked conversion
208
SCLK Clock Period
t_CP
ns
Data I/O
100
SCLK Duty Cycle
t_CH
40
60
%
SCLK Fall to DOUT Transition
CS Rise to DOUT Disable
CS Fall to DOUT Enable
t_DOT
t_DOD
t_DOE
C_LOAD = 30pF
C_LOAD = 30pF
C_LOAD = 30pF
40
ns
40
ns
40
ns
DIN to SCLK Rise Setup
t_DS
40
ns
SCLK Rise to DIN Hold
CS Fall to SCLK Rise Setup Time
CS Fall to SCLK Rise Hold Time
CS Rise to SCLK Rise Hold Time
CS Rise to SCLK Rise Setup Time
t_DH
t_CSS0
t_CSH0
t_CSH
t_CSS1
0
ns
40
ns
0
ns
0
ns
0
ns
CNVST Pulse Width
t_CSW CKSEL = 00, CKSEL = 01 (temp sense)
40
ns
CKSEL = 01 (voltage conversion)
1.4
μs
CS or CNVST Rise to EOC
Low (Note 10)
t_TS
Temp sense
Voltage conversion
t_RP
Reference power-up
55
7
μs
65
Note 10: This time is defined as the number of clock cycles needed for conversion multiplied by the clock period. If the internal
reference needs to be powered up, the total time is additive. The internal reference is always used for temperature mea
surements.
Typical Operating Characteristics
(V_DD = +5V, V_REF = +4.096V, 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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