Datasheet

MAX1106/MAX1107
Single-Supply, Low-Power,
Serial 8-Bit ADCs
6 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS—MAX1107 (continued)
(V
DD
= +4.5V to +5.5V; IN- = GND; f
SCLK
= 2MHz; 25ksps conversion rate; 1µF capacitor at REFOUT; external +4.096V reference at
REFIN; T
A
= T
MIN
to T
MAX
; unless otherwise noted. Typical values are at T
A
= +25°C.)
Figure 6, DOUT High-Z
Figure 6, DOUT High-Z
pF15C
OUT
Three-State Output Capacitance
µA±0.01 ±10I
L
Three-State Leakage Current
Figure 1, C
LOAD
= 100pF
Figure 1, C
LOAD
= 100pF
ns20 200t
DO
SCLK Fall to Output Data Valid
ns
CONDITIONS
240t
DV
CONVST Rise to Output Enable
ns200t
CH
SCLK Pulse Width High
µs1t
CSPW
CONVST Pulse Width High
µs1t
ACQ
Acquisition Time
µs35t
CONV
CONVST Fall to Output Data
Valid
UNITSMIN TYP MAXSYMBOLPARAMETER
I
SINK
= 5mA
I
SINK
= 16mA
0.4
V4.5 5 5.5V
DD
Supply Voltage
V
0.8
V
OL
Output Low Voltage
V
DD
= 5.5V, C
L
= 10pF,
full-scale input
115 250
Power down, V
DD
= 4.5V to 5.5V 0.5 2.5
External reference = 4.096V,
full-scale input, V
DD
= 4.5V to 5.5V
mV±0.4 ±4PSRPower-Supply Rejection (Note 8)
V0.2V
HYST
Input Hysteresis
V0.8V
IL
Threshold Voltage Low
V3V
IH
Threshold Voltage High
µA±1I
IH
Input Current High
pF15C
IN
Input Capacitance
I
SOURCE
= 0.5mA VV
DD
- 0.5V
OH
Output High Voltage
µA±1I
IL
Input Current Low
µAI
DD
Supply Current (Notes 2, 7)
4.096V at REFIN, full scale µA120Input Current
V1.0 V
DD
+ 0.05V
REFIN
Input Voltage Range
EXTERNAL REFERENCE
DIGITAL INPUTS (SHDN, SCLK, and CONVST)
DIGITAL OUTPUT (DOUT)
TIMING CHARACTERISTICS (Figures 6 and 7)
POWER REQUIREMENTS