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MAX1300/MAX1301
8- and 4-Channel, 卤3 x VREF Multirange Inputs,
Serial 16-Bit ADCs
_______________________________________________________________________________________
5
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Preamplifier Supply Voltage
AVDD2
4.75
5.25
V
Digital I/O Supply Voltage
DVDDO
2.70
5.25
V
Internal reference
3
3.5
AVDD1 Supply Current
IAVDD1
External clock mode,
external acquisition
mode, or internal
clock mode
External reference
2.3
3
mA
DVDD Supply Current
IDVDD
External clock mode, external acquisition
mode, or internal clock mode
0.8
2
mA
AVDD2 Supply Current
IAVDD2
External clock mode, external acquisition
mode, or internal clock mode
13.5
20
mA
DVDDO Supply Current
IDVDDO
External clock mode, external acquisition
mode, or internal clock mode
0.01
1
mA
Partial power-down mode
1.3
mA
Total Supply Current
Full power-down mode
0.5
A
Power-Supply Rejection Ratio
PSRR
All analog input ranges
卤0.5
LSB
TIMING CHARACTERISTICS (Figures 15 and 16)
External clock mode
0.272
62
External acquisition mode
0.228
62
SCLK Period
tCP
Internal clock mode
0.1
s
External clock mode
109
External acquisition mode
92
SCLK High Pulse Width (Note 6)
tCH
Internal clock mode
40
ns
External clock mode
109
External acquisition mode
92
SCLK Low Pulse Width (Note 6)
tCL
Internal clock mode
40
ns
DIN to SCLK Setup
tDS
40
ns
DIN to SCLK Hold
tDH
0ns
SCLK Fall to DOUT Valid
tDO
40
ns
CS Fall to DOUT Enable
tDV
40
ns
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD1 = VAVDD2 = VDVDD = VDVDDO = 5V, VAGND1 = VDGND = VDGNDO = VAGND2 = VAGND3 = 0V, fCLK = 3.5MHz (50% duty
cycle), external clock mode, VREF = 4.096V (external reference operation), REFCAP = AVDD1, maximum single-ended bipolar input
range (卤3 x VREF), CDOUT = 50pF, CSSTRB = 50pF, TA = -40掳C to +85掳C, unless otherwise noted. Typical values are at TA = +25掳C.)
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