Rainbow Electronics MAX1035 - Manual (Page 3)

MAX1034/MAX1035
8-/4-Channel, ±V
REF
Multirange Inputs,
Serial 14-Bit ADCs
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PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DYNAMIC SPECIFICATIONS f IN(SINE-WAVE) = 5kHz, V IN = FSR - 0.05dB, f SAMPLE = 130ksps (Notes 1, 2)
Differential inputs, FSR = 2 x V REF 84.5
Single-ended inputs, FSR = V REF 84
Single-ended inputs, FSR = V REF / 2 82.5
Signal-to-Noise Plus Distortion SINAD
Single-ended inputs, FSR = V REF / 4 79 80.5
dB
Differential inputs, FSR = 2 x V
REF
84.5
Single-ended inputs, FSR = V REF 84
Single-ended inputs, FSR = V REF / 2 82.5
Signal-to-Noise Ratio SNR
Single-ended inputs, FSR = V REF / 4 80.5
dB
Total Harmonic Distortion
(Up to the 5th Harmonic)
THD -98 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 MAX1035, CH0–CH7 MAX1034, 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 -V REF /4 +V REF /4
R[2:1] = 010 -V REF /2 0
R[2:1] = 011 0 +V REF /2
R[2:1] = 100 -V
REF
/2 +V
REF
/2
R[2:1] = 101 -V REF 0
R[2:1] = 110 0 +V REF
Input Voltage Range (Table 6) V CH_
R[2:1] = 111 -V REF +V REF
V
True-Differential Analog
Common-Mode Voltage Range
V CMDR DIF/SGL = 1 (Note 4) -4.75 +5.50 V
Common-Mode Rejection Ratio CMRR DIF/SGL = 1, input voltage range = ±V REF /4 75 dB
Input Current I CH_ -V REF < V CH_ < +V REF -1500 +650 µA
Input Capacitance C CH_ 5 pF
Input Resistance R CH_ 6 k Ω
ELECTRICAL CHARACTERISTICS (continued)
(AV
DD1
= AV
DD2
= DV
DD
= DV
DDO
= 5V, AGND1 = DGND = DGNDO = AGND2 = AGND3 = 0, f
CLK
= 3.5MHz (50% duty cycle), external
clock mode, V REF = 4.096V (external reference operation), REFCAP = AV DD1 , maximum single-ended bipolar input range (±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.)