Rainbow Electronics MAX1033 - Manual (Page 5)

MAX1032/MAX1033
8-/4-Channel, ±12V Multirange Inputs,
Serial 14-Bit ADCs
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PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Preamplifier Supply Voltage AV
DD2
4.75 5.25 V
Digital I/O Supply Voltage DV DDO 2.70 5.25 V
Internal reference 3 3.5
AV DD1 Supply Current I AVDD1
External clock mode,
external acquisition
mode, or internal
clock mode
External reference 2.5 3
mA
DV DD Supply Current I DVDD
External clock mode, external acquisition
mode, or internal clock mode
0.9 2 mA
AV DD2 Supply Current I AVDD2
External clock mode, external acquisition
mode, or internal clock mode
17.5 25 mA
DV DDO Supply Current I DVDDO
External clock mode, external acquisition
mode, or internal clock mode
0.2 1 mA
Partial power-down mode 1.3 mA
Total Supply Current
Full power-down mode 1 µA
Power-Supply Rejection Ratio PSRR All analog input ranges ±0.125 LSB
TIMING CHARACTERISTICS (Figures 15 and 16)
External clock mode 272 62
External acquisition mode 228 62 SCLK Period t CP
Internal clock mode 100 83
µs
External clock mode 109
External acquisition mode 92 SCLK High Pulse Width (Note 6) t CH
Internal clock mode 40
ns
External clock mode 109
External acquisition mode 92 SCLK Low Pulse Width (Note 6) t CL
Internal clock mode 40
ns
DIN to SCLK Setup t DS 40 ns
DIN to SCLK Hold t DH 0 ns
SCLK Fall to DOUT Valid t
DO
40 ns
CS Fall to DOUT Enable t DV 40 ns
CS Rise to DOUT Disable t TR 40 ns
CS Fall to SCLK Rise Setup t CSS 40 ns
CS High Minimum Pulse Width t CSPW 40 ns
SCLK Fall to CS Rise Hold t CSH 0 ns
SSTRB Rise to CS Fall Setup (Note 4) 40 ns
DOUT Rise/Fall Time C L = 50pF 10 ns
SSTRB Rise/Fall Time C
L
= 50pF 10 ns
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
(±12V), C DOUT = 50pF, C SSTRB = 50pF, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.)