
MAX1167/MAX1168
Multichannel, 16-Bit, 200ksps Analog-to-Digital
Converters
4
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ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = +4.75V to +5.25V, fSCLK = 4.8MHz external clock (50% duty cycle), 24 clocks/conversion (200ksps), external VREF
= +4.096V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIGITAL OUTPUT (DOUT, DSPX,
EOC) (DVDD = +2.7V to +5.25V)
Output High Voltage
VOH
ISOURCE = 0.5mA
DVDD -
0.4
V
ISINK = 10mA, DVDD = +4.75V to +5.25V
0.8
Output Low Voltage
VOL
ISINK = 1.6mA, DVDD = +2.7V to +5.25V
0.4
V
Three-State Output Leakage
Current
IL
CS = DVDD
±0.1
±10
μA
Three-State Output Capacitance
COUT
CS = DVDD
15
pF
POWER SUPPLIES
Analog Supply
AVDD
4.75
5.25
V
Digital Supply
DVDD
2.70
5.25
V
External reference
2.7
3.3
200ksps
Internal reference
3.6
4.2
External reference
1.4
100ksps
Internal reference
2.7
External reference
0.14
10ksps
Internal reference
1.8
External reference
0.014
Analog Supply Current (Note 9)
IAVDD
1ksps
Internal reference
1.7
mA
200ksps
0.87
1.3
100ksps
0.45
10ksps
0.045
Digital Supply Current
IDVDD
DOUT =
all zeros
1ksps
0.005
mA
Internal reference and
reference buffer on
between conversions
0.66
Power-Down Supply Current
IAVDD +
IDVDD
CS = DVDD,
SCLK = 0,
DIN = 0,
DSPR = DVDD
Internal reference on,
reference buffer off
between conversions
0.20
mA
Shutdown Supply Current
IAVDD +
IDVDD
CS = DVDD, SCLK = 0, DIN = 0,
DSPR = DVDD, full power-down
0.6
10
μA
Power-Supply Rejection Ratio
PSRR
AVDD = DVDD = 4.75V to 5.25V, full-scale
input (Note 10)
63
dB