MAX11135_V1 Datasheet, PDF (6/40 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) (continued)
(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
DYNAMIC PERFORMANCE (250kHz, input sine wave) (Notes 3 and 7)
Signal-to-Noise Plus Distortion
SINAD
61
Signal-to-Noise Ratio
SNR
61
Total Harmonic Distortion
(Up to the 5th Harmonic)
THD
Spurious-Free Dynamic Range
SFDR
77
Intermodulation Distortion
Full-Power Bandwidth
IMD f₁ = 249.878kHz, f₂ = 219.97kHz
-3dB
-0.1dB
Full-Linear Bandwidth
SINAD > 61dB
Crosstalk
-0.5dB below full-scale of
249.878kHz sine-wave input to the
channel being sampled; apply full-
scale 219.97kHz sine wave signal to
all 15 nonselected input channels
CONVERSION RATE
Power-Up Time
Acquisition Time
Conversion Time
External Clock Frequency
Aperture Delay
t_PU
t_ACQ
t_CONV
f_SCLK
Conversion cycle, external clock
Internally
clocked
f_SAMPLE =
500ksps (Note 8)
Externally clocked, f_SCLK = 8MHz,
16 cycles (Note 8)
2000
0.16
Aperture Jitter
RMS
ANALOG INPUT
Input Voltage Range
Absolute Input Voltage Range
V_INA
Unipolar (single-ended and pseudo
differential)
0
RANGE bit set to 0
Bipolar (Note 9)
RANGE bit set to 1
AIN+, AIN- relative to GND
-V_REF+/2
-V_REF+
-0.1
Static Input Leakage Current
Input Capacitance
I_ILA
C_AIN
V_{AIN_} = V_DD, GND
During acquisition time,
RANGE bit = 0 (Note 10)
During acquisition time,
RANGE bit = 1 (Note 10)
TYP
61.7
61.7
-86
85
-84
50
7.5
1.5
MAX UNITS
dB
dB
-76
dB
dB
dB
MHz
MHz
MHz
-88
dB
2
Cycles
312
ns
5.9
µs
ns
8
MHz
8
ns
30
ps
V_REF+
V
+V_REF+/2
+V_REF+
V_REF+ + 0.1 V
-0.1
±1.5
FA
15
pF
7.5
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