MAX11135_V1 Datasheet, PDF (8/40 Pages) Maxim Integrated Products – 500ksps, Low-Power, Serial 12-/10-/8-Bit,4-/8-/16-Channel ADCs

MAX11135–MAX11143
500ksps, Low-Power, Serial 12-/10-/8-Bit,
4-/8-/16-Channel ADCs
ELECTRICAL CHARACTERISTICS (MAX11138/MAX11139/MAX11140)
(V_DD = 2.35V to 3.6V, V_OVDD = 1.5V to 3.6V, f_SAMPLE = 500Ksps, f_SCLK = 8MHz, 50% duty cycle, V_REF+ = V_DD, T_A = -40NC to
+125NC, unless otherwise noted. Typical values are at T_A = +25NC.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TIMING CHARACTERISTICS (Figure 1) (Note 11)
SCLK Clock Period
t_CP Externally clocked conversion
125
SCLK Duty Cycle
t_CH
40
SCLK Fall to DOUT Transition
t_DOT
C_LOAD =
10pF
V_OVDD = 1.5V to 2.35V
V_OVDD = 2.35V to 3.6V
4
4
16th SCLK Fall to DOUT Disable
t_DOD C_LOAD = 10pF, channel ID on
14th SCLK Fall to DOUT Disable
C_LOAD = 10pF, channel ID off
SCLK Fall to DOUT Enable
t_DOE C_LOAD = 10pF
DIN to SCLK Rise Setup
t_DS
4
SCLK Rise to DIN Hold
t_DH
1
CS Fall to SCLK Fall Setup
t_CSS
4
SCLK Fall to CS Fall Hold
t_CSH
1
CNVST Pulse Width
t_CSW See Figure 6
5
CS or CNVST Rise to EOC Low
(Note 8)
t_{CNV_INT} See Figure 7, f_SAMPLE = 500ksps
CS Pulse Width
t_CSBW
5
TYP
5.3
MAX UNITS
ns
60
%
16.5
ns
15
15
ns
16
ns
14
ns
ns
ns
ns
ns
ns
6.2
Fs
ns
ELECTRICAL CHARACTERISTICS (MAX11141/MAX11142/MAX11143)
(V_DD = 2.35V to 3.6V, V_OVDD = 1.5V to 3.6V, f_SAMPLE = 500ksps, f_SCLK = 8MHz, 50% duty cycle, V_REF+ = V_DD, T_A = -40NC to +125NC,
unless otherwise noted. Typical values are at T_A = +25NC.) (Note 2)
PARAMETER
DC ACCURACY (Notes 3 and 4)
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Gain Error
Offset Error Temperature
Coefficient
Gain Temperature Coefficient
Channel-to-Channel Offset
Matching
Line Rejection
SYMBOL
CONDITIONS
RES
INL
DNL
8 bit
No missing codes
OE_TC
GE_TC
(Note 5)
PSR (Note 6)
MIN TYP MAX UNITS
8
Bits
±0.02 ±0.15 LSB
±0.02 ±0.15 LSB
0.5 ±0.7 LSB
-0.03 ±0.3 LSB
±2
ppm/NC
±0.8
ppm/NC
±0.5
LSB
+0.03 ±0.1 LSB/V
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