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MAX11129_12 Datasheet, PDF (3/36 Pages) Maxim Integrated Products – 3Msps, Low-Power, Serial 12-/10-Bit,8-/16-Channel ADCs
MAX11129–MAX11132
3Msps, Low-Power, Serial 12-/10-Bit,
8-/16-Channel ADCs
ELECTRICAL CHARACTERISTICS (MAX11131/MAX11132) (continued)
(VDD = 2.35V to 3.6V, VOVDD = 1.5V to 3.6V, fSAMPLE = 3Msps, fSCLK = 48MHz, 50% duty cycle, VREF+ = VDD, TA = -40NC to +125NC,
unless otherwise noted. Typical values are at TA = +25NC.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
Full-Power Bandwidth
-3dB
-0.1dB
Full-Linear Bandwidth
SINAD > 70dB
Crosstalk
-0.5dB below full scale of
492.1875kHz sine wave input to the
channel being sampled, apply full-
scale 398.4375kHz sine wave signal
to all 15 nonselected input channels
CONVERSION RATE
Power-Up Time
Acquisition Time
Conversion Time
tPU
tACQ
tCONV
Conversion cycle, external clock
Internally clocked (Note 8)
Externally clocked, fSCLK = 48MHz,
16 cycles (Note 8)
External Clock Frequency
Aperture Delay
fSCLK
Aperture Jitter
RMS
ANALOG INPUT
Input Voltage Range
VINA
Unipolar (single-ended and pseudo
differential)
Bipolar
(Note 9)
RANGE bit set to 0
RANGE bit set to 1
Absolute Input Voltage Range
AIN+, AIN- relative to GND
Static Input Leakage Current
Input Capacitance
IILA
CAIN
VAIN_ = VDD, GND
During acquisition time,
RANGE bit = 0 (Note 10)
During acquisition time,
RANGE bit = 1 (Note 10)
EXTERNAL REFERENCE INPUT
REF- Input Voltage Range
VREF-
MIN
333
0.48
0
-VREF+/2
-VREF+
-0.1
-0.3
TYP
MAX UNITS
50
MHz
7.5
1.5
MHz
-88
dB
2
Cycles
52
ns
2.1
µs
ns
48
MHz
8
ns
30
ps
VREF+
VREF+/2
V
VREF+
VREF+ + 0.1 V
-0.1
±1.5
FA
15
pF
7.5
+1
V
REF+ Input Voltage Range
VREF+
1
VDD + 50mV V
REF+ Input Current
IREF+
VREF+ = 2.5V, fSAMPLE = 3Msps
VREF+ = 2.5V, fSAMPLE = 0
110
0.1
FA
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