MAX148 Maxim, MAX148 Datasheet - Page 4

• Manufacturer Part Number: MAX148
• Description: +2.7V to +5.25V / Low-Power / 8-Channel / Serial 10-Bit ADCs
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
V
MAX149—4.7µF capacitor at VREF pin; MAX148—external reference, VREF = 2.500 V applied to VREF pin; T
otherwise noted.)
+2.7V to +5.25V, Low-Power, 8-Channel,
Serial 10-Bit ADCs
4
DIGITAL INPUTS (DIN, SCLK, CS, SHDN)
DIGITAL OUTPUTS (DOUT, SSTRB)
POWER REQUIREMENTS
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
Supply Rejection (Note 12)
DD
_______________________________________________________________________________________
= +2.7V to +5.25V; COM = 0V; f
PARAMETER
SYMBOL
V
C
V
V
V
V
PSR
V
V
C
V
SCLK
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
= 2.0MHz; external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps);
V
V
V
(Note 10)
SHDN = 0V or V
SHDN = FLOAT
SHDN = FLOAT
I
I
I
CS = V
CS = V
Operating mode,
full-scale input (Note 11)
Full power-down
Fast power-down (MAX149)
Full-scale input, external reference = 2.500V,
V
SINK
SINK
SOURCE
DD
DD
IN
DD
= 0V or V
≤ 3.6V
> 3.6V
= 2.7V to 5.25V
= 5mA
= 16mA
DD
DD
= 0.5mA
(Note 10)
DD
DD
CONDITIONS
V
V
V
V
DD
DD
DD
DD
= 5.25V
= 3.6V
= 5.25V
= 3.6V
V
V
DD
DD
MIN
2.70
2.0
3.0
1.1
- 0.4
- 0.5
V
±0.01
±0.01
±0.3
TYP
DD
0.2
1.6
1.2
3.5
1.2
A
30
= T
/ 2
V
MIN
DD
MAX
±100
±4.0
5.25
±10
to T
0.8
- 1.1
0.4
0.4
0.8
3.0
2.0
±1
15
15
15
10
70
MAX
UNITS
; unless
mA
mV
µA
µA
nA
µA
µA
pF
pF
V
V
V
V
V
V
V
V
V
V