Datasheet

MAX1032/MAX1033
8- and 4-Channel, ±3 x V
REF
Multirange Inputs, Serial 14-Bit ADCs
3
Maxim Integrated
ELECTRICAL CHARACTERISTICS (continued)
(V
AVDD1
= V
AVDD2
= V
DVDD
= V
DVDD0
= 5V, V
AGND1
= V
DGND
= V
DGNDO
= V
AGND2
= V
AGND3
= 0V, f
CLK
= 3.5MHz (50% duty
cycle), external clock mode, V
REF
= 4.096V (external reference operation), REFCAP = AVDD1, maximum single-ended bipolar input
range (±3 x V
REF
), C
DOUT
= 50pF, C
SSTRB
= 50pF, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Differential inputs, ±6 x V
REF
85
Single-ended inputs, ±3 x V
REF
84
Single-ended inputs, (±3 x V
REF
)/2 83
Signal-to-Noise Ratio SNR
Single-ended inputs, (±3 x V
REF
)/4 81
dB
Total Harmonic Distortion
(Up to the 5th Harmonic)
THD -97 dB
Spurious-Free Dynamic Range SFDR 92 99 dB
Aperture Delay t
AD
Figure 21 15 ns
Aperture Jitter t
AJ
Figure 21 100 ps
Channel-to-Channel Isolation 105 dB
CONVERSION RATE
External clock mode, Figure 2 114
External acquisition mode, Figure 3 84
Byte-Wide Throughput Rate f
SAMPLE
Internal clock mode, Figure 4 106
ksps
ANALOG INPUTS (CH0–CH3 MAX1033, CH0–CH7 MAX1032, AGND1)
Small-Signal Bandwidth All input ranges, V
IN
= 100mV
P-P
(Note 2) 2 MHz
Full-Power Bandwidth All input ranges, V
IN
= 4V
P-P
(Note 2) 700 kHz
R[2:1] = 001
(-3 x
V
REF
)/4
(+3 x
V
REF
)/4
R[2:1] = 010
(-3 x
V
REF
)/2
0
R[2:1] = 011 0
(+3 x
V
REF
)/2
R[2:1] = 100
(-3 x
V
REF
)/2
(+3 x
V
REF
)/2
R[2:1] = 101
-3 x
V
REF
0
R[2:1] = 110 0
+3 x
V
REF
Input Voltage Range (Table 6) V
CH_
R[2:1] = 111
-3 x
V
REF
+3 x
V
REF
V
True-Differential Analog
Common-Mode Voltage Range
V
CMDR
DIF/SGL = 1 (Note 4) -14 +9 V
Common-Mode Rejection Ratio CMRR
DIF/SGL = 1, input voltage range = (±3 x
V
REF
)/4
75 dB
Input Current I
CH_
-3 x V
REF
< V
CH_
< +3 x V
REF
-1250 +900 μA
Input Capacitance C
CH_
5pF
Input Resistance R
CH_
17 kΩ