MAX157 Maxim, MAX157 Datasheet - Page 3

• Manufacturer Part Number: MAX157
• Description: Dual-Channel CardBus and PCMCIA VCC/VPP Power-Switching Networks
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
CH- = GND for MAX159, T
CONVERSION RATE
CONVERSION RATE
ANALOG INPUTS
EXTERNAL REFERENCE
DIGITAL INPUTS (CS/SHDN, SCLK) AND DIGITAL OUTPUT (DOUT)
Conversion Time (Note 5)
T/H Acquisition Time
Aperture Delay
Aperture Jitter
Serial Clock Frequency
Analog Input Voltage Range
(Note 6)
Multiplexer Leakage Current
Input Capacitance
Input Voltage Range (Note 7)
Input Current
Input Resistance
Shutdown REF Input Current
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Leakage Current
Input Capacitance
Output Low Voltage
Output High Voltage
Three-State Output Leakage
Current
Three-State Output Capacitance
DD
= +2.7V to +5.25V, V
PARAMETER
108ksps, Serial 10-Bit ADCs in 8-Pin µMAX
_______________________________________________________________________________________
A
= T
REF
MIN
= 2.5V, 0.1µF capacitor at REF, f
SYMBOL
to T
t
f
C
V
V
CONV
t
SCLK
V
V
ACQ
C
C
V
V
V
I
REF
HYS
OUT
OH
IN
OL
MAX
IN
IH
IN
IL
IN
, unless otherwise noted. Typical values are at T
Internal clock
Internal clock mode, for data transfer only
On/off-leakage current, V
V
V
V
(Note 8)
I
I
CS/SHDN = V
CS/SHDN = V
External clock, f
cycles per conversion
External clock mode
V
I
SINK
SOURCE
SINK
REF
DD
DD
IN
= 0 or V
> 3.6V
≤ 3.6V
= 2.5V
= 5mA
= 16mA
+2.7V, Low-Power, 2-Channel,
= 0.5mA
DD
DD
DD
CONDITIONS
SCLK
(Note 8)
= 2.17MHz, 16 clock
SCLK
IN
= 0 to V
= 2.17MHz, 16 clocks/conversion cycle (108ksps),
DD
A
= +25°C.)
V
DD
MIN
7.4
0.1
2.0
3.0
18
5
0
0
0
- 0.5
±0.01
TYP
0.01
<50
100
0.2
0.5
25
16
25
V
DD
+ 50mV
MAX
V
2.17
±10
140
2.5
0.8
0.4
±1
±1
10
15
15
REF
7
5
UNITS
MHz
MHz
µA
µA
µA
kΩ
µA
µA
µA
ps
pF
pF
µs
µs
ns
V
V
V
V
V
V
V
3