MAX1245 Maxim, MAX1245 Datasheet - Page 3

• Manufacturer Part Number: MAX1245
• Description: +2.375V / Low-Power / 8-Channel / Serial 12-Bit ADC
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
VREF = 2.048V applied to VREF pin, T
Input Voltage Range, Single-
Ended and Differential (Note 6)
Multiplexer Leakage Current
Input Capacitance
VREF Input Voltage Range
(Note 8)
VREF Input Current
VREF Input Resistance
Shutdown VREF Input Current
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 Low Voltage
SHDN Input Current
SHDN Input Mid Voltage
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 9)
ANALOG/COM INPUTS
EXTERNAL REFERENCE
DIGITAL INPUTS (DIN, SCLK, CS, SHDN)
DIGITAL OUTPUTS (DOUT, SSTRB)
POWER REQUIREMENTS
DD
= +2.375V to +3.3V, COM = 0V, f
PARAMETER
_______________________________________________________________________________________
SYMBOL
A
V
C
V
V
V
V
V
V
PSR
V
V
C
HYST
V
I
= T
I
I
OUT
DD
INH
INH
FLT
INL
INL
OH
I
IN
IN
OL
DD
IM
L
IN
CLK
MIN
+2.375V, Low-Power, 8-Channel,
= 1.5MHz, external clock (50% duty cycle), 15 clocks/conversion cycle (100ksps),
to T
Unipolar, COM = 0V
Bipolar, COM = VREF/2
On/off leakage current, V
(Note 7)
VREF = 2.048V
V
(Note 7)
SHDN = 0V or V
SHDN = open
SHDN = open
I
I
I
CS = V
CS = V
Operating mode, full-scale input
Power-down
V
external reference = 2.048V
SINK
SINK
SOURCE
IN
DD
MAX
= 0V or V
= 2.375V to 3.3V, full-scale input,
= 5mA
= 16mA
, unless otherwise noted.)
DD
DD
=0.5mA
(Note 7)
DD
CONDITIONS
DD
IN
= 0V or V
DD
Serial 12-Bit ADC
V
V
V
DD
DD
2.375
- 0.3
MIN
1.0
2.0
DD
18
- 0.375
- 0.4
/2
±0.01
±0.01
V
±0.01
TYP
0.01
±0.3
0.2
DD
0.5
0.8
1.2
16
82
25
/2
0 to VREF
±VREF/2
V
V
50mV
MAX
±4.0
+ 0.3
DD
±80
±10
120
DD
0.8
0.4
0.4
3.3
1.3
±1
10
±1
15
15
10
/2
+
UNITS
mA
mV
µA
µA
kΩ
µA
µA
µA
nA
µA
µA
pF
pF
pF
V
V
V
V
V
V
V
V
V
V
V
V
3