Datasheet

5Maxim Integrated
MAX11129–MAX11132
3Msps, Low-Power, Serial 12-/10-Bit,
8-/16-Channel ADCs
ELECTRICAL CHARACTERISTICS (MAX11131/MAX11132) (continued)
(V
DD
= 2.35V to 3.6V, V
OVDD
= 1.5V to 3.6V, f
SAMPLE
= 3Msps, f
SCLK
= 48MHz, 50% duty cycle, V
REF+
= V
DD
, T
A
= -40NC to +125NC,
unless otherwise noted. Typical values are at T
A
= +25NC.) (Note 2)
ELECTRICAL CHARACTERISTICS (MAX11129/MAX11130)
(V
DD
= 2.35V to 3.6V, V
OVDD
= 1.5V to 3.6V, f
SAMPLE
= 3Msps, f
SCLK
= 48MHz, 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 TYP MAX UNITS
TIMING CHARACTERISTICS (Figure 1) (Note 11)
SCLK Clock Period t
CP
Externally clocked conversion 20.8 ns
SCLK Duty Cycle t
CH
40 60 %
SCLK Fall to DOUT Transition t
DOT
C
LOAD
=
10pF
V
OVDD
= 1.5V to 2.35V 4 16.5
ns
V
OVDD
= 2.35V to 3.6V 4 15
16th SCLK Fall to DOUT Disable t
DOD
C
LOAD
= 10pF, channel ID on 15 ns
14th SCLK Fall to DOUT Disable C
LOAD
= 10pF, channel ID off 16 ns
SCLK Fall to DOUT Enable t
DOE
C
LOAD
= 10pF 14 ns
DIN to SCLK Rise Setup t
DS
4 ns
SCLK Rise to DIN Hold t
DH
1 ns
CS Fall to SCLK Fall Setup
t
CSS
4 ns
SCLK Fall to CS Fall Hold
t
CSH
1 ns
CNVST Pulse Width
t
CSW
See Figure 6 5 ns
CS or CNVST Rise to EOC Low
(Note 6)
t
CNV_INT
See Figure 7, f
SAMPLE
= 3Msps 1.7 2.4
Fs
CS Pulse Width
t
CSBW
5 ns
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DC ACCURACY (Notes 3 and 4)
Resolution RES 10 bit 10 Bits
Integral Nonlinearity INL ±0.4 LSB
Differential Nonlinearity DNL No missing codes ±0.4 LSB
Offset Error 0.3 ±1.0 LSB
Gain Error (Note 5) 0.1 ±1.2 LSB
Offset Error Temperature
Coefficient
OE
TC
±2
ppm/NC
Gain Temperature Coefficient GE
TC
±0.8
ppm/NC
Channel-to-Channel Offset
Matching
±0.5 LSB
Line Rejection PSR (Note 6) 0.2 ±1.0 LSB/V