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| MAX11902 Datasheet, PDF (6/29 Pages) Maxim Integrated Products – Fully Differential SAR ADC | |||
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MAX11902
18-Bit, 1Msps, Low-Power,
Fully Differential SAR ADC
Electrical Characteristics (continued)
(fSAMPLE = 1Msps, VAVDD = 1.8V, VDVDD = 1.8V, VOVDD = 1.5V to 3.6V, VREFVDD = 3.6V, VREF = 3.3V, Internal Ref Buffers On, TA
= TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
PARAMETER
POWER SUPPLIES
Analog Supply Voltage
SYMBOL
AVDD
CONDITIONS
Digital Supply Voltage
DVDD
Reference Buffer Supply
Voltage
REFVDD
Interface Supply Voltage
OVDD
Analog Supply Current
Digital Supply Current
Reference Buffer Supply
Current
IAVDD
IDVDD
IREFVDD
VAVDD = 1.8V
VDVDD = 1.8V
VREFVDD = 3.6V, internal buffers
enabled
Reference Buffer Supply
Current
IREFVDD
VREFVDD = 3.6V, internal buffers
powered down
Interface Supply Current
(Note 9)
Shutdown Current
IOVDD
VOVDD = 1.5V
VOVDD = 3.6V
For AVDD, DVDD, REFVDD
Shutdown Current
For DVDD
Power Dissipation
VAVDD = 1.8V, VDVDD = 1.8V,
VREFVDD = 3.3V, internal reference
buffers disabled
DIGITAL INPUTS (DIN, SCLK, CNVST)
Input Voltage High
VIH
VOVDD = 1.5V to 3.6V
Input Voltage Low
Input Capacitance
Input Current
DIGITAL OUTPUTS (DOUT)
Output Voltage High
Output Voltage Low
VIL
VOVDD = 1.5V to 3.6V
CIN
IIN
VIN = 0V or VOVDD
VOH
VOL
ISOURCE = 2mA
ISINK = 2mA
MIN
TYP
MAX UNITS
1.7
1.8
1.9
V
1.7
1.8
1.9
V
2.7
3.3
3.6
V
1.5
3.6
V
1.75
2.3
mA
1.5
1.9
mA
3.3
3.55
mA
0.2
mA
0.27
mA
1
1
µA
1
µA
6.7
8.4
mW
0.7 x
VOVDD
V
0.3 x
VOVDD
V
10
pF
1
µA
VOVDD -
0.4
V
0.4
V
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