MAX146 Maxim, MAX146 Datasheet - Page 4

• Manufacturer Part Number: MAX146
• Description: +2.7Low-Power / 8-Channel / Serial 12-Bit ADCs
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
clocks/conversion cycle (133ksps); MAX146—4.7µF capacitor at VREF pin; MAX147—external reference, VREF = 2.500 V applied to
VREF pin; T
+2.7V, Low-Power, 8-Channel,
Serial 12-Bit ADCs
4
DIN, SCLK, CS Input High Voltage
DIN, SCLK, CS Input Low Voltage
DIN, SCLK, CS Input Hysteresis
DIN, SCLK, CS Input Leakage
DIN, SCLK, CS Input Capacitance
SHDN Input High Voltage
SHDN Input Mid Voltage
SHDN Input Low Voltage
SHDN Input Current
SHDN Voltage, Floating
SHDN Maximum Allowed
Leakage, Mid Input
Output Voltage Low
Output Voltage High
Three-State Leakage Current
Three-State Output Capacitance
Positive Supply Voltage
Positive Supply Current, MAX146
Positive Supply Current, MAX147
Positive Supply Current, MAX147
Supply Rejection (Note 10)
DIGITAL INPUTS (DIN, SCLK, CS, SHDN)
DIGITAL OUTPUTS (DOUT, SSTRB)
POWER REQUIREMENTS
DD
_______________________________________________________________________________________
= +2.7V to +3.6V (MAX146); V
PARAMETER
A
= T
MIN
to T
MAX
; unless otherwise noted.)
DD
SYMBOL
V
C
= +2.7V to +5.25V (MAX147); COM = 0V; f
V
V
V
V
PSR
V
V
C
V
V
HYST
I
I
I
V
I
OUT
FLT
DD
DD
DD
I
OH
I
IN
SH
SM
OL
DD
SL
IH
S
IL
IN
L
V
V
V
(Note 9)
SHDN = 0V or V
SHDN = FLOAT
SHDN = FLOAT
I
I
I
CS = V
CS = V
MAX146
MAX147
V
Operating mode,
full-scale input
Full power-down
Full-scale input, external reference = 2.500V,
V
SINK
SINK
SOURCE
DD
DD
DD
IN
DD
= 0V or V
= 3.6V
≤ 3.6V
> 3.6V, MAX147 only
= 2.7V to V
= 5mA
= 16mA
DD
DD
= 0.5mA
(Note 9)
Operating mode, full-scale input
Fast power-down
Full power-down
DD
DD(MAX)
DD
CONDITIONS
V
V
V
V
DD
DD
DD
DD
= 5.25V
= 3.6V
= 5.25V
= 3.6V
SCLK
= 2.0MHz; external clock (50% duty cycle); 15
V
V
DD
DD
MIN
2.70
2.70
2.0
3.0
1.1
- 0.4
- 0.5
V
±0.01
±0.01
±0.3
TYP
DD
0.2
1.2
1.2
1.8
0.9
2.1
1.2
30
/ 2
V
DD
MAX
±100
±4.0
3.60
5.25
±10
0.8
- 1.1
0.4
0.4
0.8
2.0
2.5
1.5
±1
15
15
70
10
15
10
UNITS
mA
mA
mV
µA
µA
nA
µA
µA
µA
µA
pF
pF
V
V
V
V
V
V
V
V
V
V