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MAX11129 Datasheet, PDF (3/36 Pages) Maxim Integrated Products – 3Msps, Low-Power, Serial 12-/10-Bit, 8-/16-Channel ADCs
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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 7)
Externally clocked, fSCLK = 48MHz,
16 cycles (Note 7)
External Clock Frequency
Aperture Delay
fSCLK
Aperture Jitter
RMS
ANALOG INPUT
Input Voltage Range
VINA
Unipolar (single ended and pseudo
differential)
Bipolar
(Note 8)
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 9)
During acquisition time,
RANGE bit = 1 (Note 9)
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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