MAX1134/MAX1135
16-Bit ADCs, 150ksps, 3.3V Single Supply
4
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Hysteresis
VHYST
0.2
V
Input Capacitance
CIN
10
pF
DIGITAL OUTPUTS
Output High Voltage
VOH
ISOURCE = 0.5mA
DVDD -
0.5
V
ISINK = 5mA
0.4
Output Low Voltage
VOL
ISINK = 16mA
0.8
V
Three-State Leakage Current
IL
CS = DVDD
-10
+10
A
Three-State Output Capacitance
CS = DVDD
10
pF
POWER SUPPLIES
Analog Supply
AVDD
3.135
3.3
3.465
V
Digital Supply
DVDD
3.135
3.3
3.465
V
Unipolar mode
3.9
8
Bipolar mode
7
11
mA
Analog Supply Current
IANALOG
SHDN = 0, or software power-down mode
0.1
10
A
Unipolar or bipolar mode
1
2
mA
Digital Supply Current
IDIGITAL
SHDN = 0, or software power-down mode
1.1
10
A
Power-Supply Rejection Ratio
(Note 8)
PSRR
AVDD = DVDD = 3.135V to 3.465V
65
dB
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = 3.3V ±5%, fSCLK = 3.6MHz, external clock (50% duty cycle), 24 clocks/conversion (150ksps), bipolar input, VREF =
2.048V, CREF = 4.7F, CCREF = 1F, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
TIMING CHARACTERISTICS (Figures 5 and 6)
(AVDD = DVDD = 3.3V ±5%, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIN to SCLK Setup
tDS
50
ns
DIN to SCLK Hold
tDH
0ns
SCLK to DOUT Valid
tDO
70
ns
CS Fall to DOUT Enable
tDV
CLOAD = 50pF
80
ns
CS Rise to DOUT Disable
tTR
CLOAD = 50pF
80
ns
CS to SCLK Rise Setup
tCSS
100
ns
CS to SCLK Rise Hold
tCSH
0ns
SCLK High Pulse Width
tCH
120
ns
SCLK Low Pulse Width
tCL
120
ns
SCLK Fall to SSTRB
tSSTRB
CLOAD = 50pF
80
ns
CS Fall to SSTRB Enable
tSDV
CLOAD = 50pF, external clock mode
80
ns
CS Rise to SSTRB Disable
tSTR
CLOAD = 50pF, external clock mode
80
ns
SSTRB Rise to SCLK Rise
tSCK
Internal clock mode
0
ns
RST Pulse Width
tRS
278
70
ns
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