MAX1248 Maxim, MAX1248 Datasheet - Page 4

• Manufacturer Part Number: MAX1248
• Description: 2x4-Channel / Simultaneous-Sampling 14-Bit DAS
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
MAX1248—4.7µF capacitor at VREF pin; MAX1249—external reference; VREF = 2.500V applied to VREF pin, T
unless otherwise noted.)
+2.7V to +5.25V, Low-Power, 4-Channel,
Serial 10-Bit ADCs in QSOP-16
4
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)
DIGITAL OUTPUTS (DOUT, SSTRB)
POWER REQUIREMENTS
DD
_______________________________________________________________________________________
= +2.7V to +5.25V; COM = 0V; f
PARAMETER
SYMBOL
C
V
V
V
V
PSR
I
I
OUT
DD
DD
FLT
I
OH
DD
SCLK
OL
L
= 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps);
SHDN = FLOAT
SHDN = FLOAT
I
I
I
CS = V
CS = V
Operating mode,
full-scale input (Note 11)
Full power-down
Fast power-down (MAX1248)
V
external reference = 2.500V
SINK
SINK
SOURCE
DD
= 2.7V to 5.25V, full-scale input,
= 5mA
= 16mA
DD
DD
= 0.5mA
(Note 10)
CONDITIONS
V
V
V
V
V
DD
DD
DD
DD
DD
= 5.25V
= 3.6V
= 5.25V
= 3.6V
= 5.25V
V
DD
2.70
MIN
- 0.5
V
±0.01
TYP
±0.3
DD
1.6
1.2
3.5
1.2
30
/ 2
A
±100
MAX
= T
5.25
±10
0.4
0.8
3.0
2.0
15
15
10
70
MIN
UNITS
to T
mA
mV
nA
µA
pF
µA
V
V
V
V
MAX
,