MAX1265 Maxim, MAX1265 Datasheet - Page 3

• Manufacturer Part Number: MAX1265
• Description: 265ksps / +3V / 6-/2-Channel / 12-Bit ADCs with +2.5V Reference and Parallel Interface
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
T
A
CONVERSION RATE (continued)
ANALOG INPUTS
INTERNAL REFERENCE
EXTERNAL REFERENCE AT REF
DIGITAL INPUTS AND OUTPUTS
POWER REQUIREMENTS
Analog Input Voltage Range
Single Ended and Differential
(Note 6)
Multiplexer Leakage Current
Input Capacitance
REF Output Voltage
REF Short-Circuit Current
REF Temperature Coefficient
REFADJ Input Range
REFADJ High Threshold
Load Regulation (Note 7)
Capacitive Bypass at REFADJ
Capacitive Bypass at REF
REF Input Voltage Range
REF Input Current
Input Voltage High
Input Voltage Low
Input Hysteresis
Input Leakage Current
Input Capacitance
Output Voltage Low
Output Voltage High
Tri-State Leakage Current
Tri-State Output Capacitance
Analog Supply Voltage
Positive Supply Current
Power-Supply Rejection
DD
= T
= +2.7V to +3.6V, COM = GND, REFADJ = V
MIN
PARAMETER
to T
MAX
with +2.5V Reference and Parallel Interface
, unless otherwise noted. Typical values are at T
_______________________________________________________________________________________
265ksps, +3V, 6-/2-Channel, 12-Bit ADCs
SYMBOL
I
LEAKAGE
TC
C
V
V
V
I
V
V
PSR
C
C
I
V
V
REF
V
I
REF
HYS
OUT
DD
OH
IN
OL
DD
IN
REF
IH
IN
IL
IN
Unipolar, V
bipolar, V
On-/off-leakage current, V
For small adjustments
To power down the internal reference
0 to 0.5mA output load
V
Shutdown mode
V
I
I
CS = V
CS = V
Operating mode,
f
Standby mode
Shutdown mode
V
SINK
SOURCE
SAMPLE
REF
IN
DD
= 0 or V
DD
= 2.7V to 3.6V, full-scale input
= 2.5V, f
= 1.6mA
, V
DD
DD
= 265ksps
= 1mA
COM
REF
COM
DD
SAMPLE
= +2.5V, 4.7µF capacitor at REF pin, f
= V
CONDITIONS
= 0
REF
A
= +25°C.)
= 265ksps
/ 2
Internal reference
External reference
Internal reference
External reference
IN
= 0 or V
DD
V
- V
V
DD
DD
2.49
MIN
4.7
1.0
2.0
2.7
REF
0
- 0.5
CLK
- 1
/2
= 4.8MHz (50% duty cycle),
±0.01
±100
±0.1
±0.1
±0.4
TYP
0.01
±20
200
200
2.5
0.2
2.5
1.9
0.9
0.5
12
15
15
15
2
+ V
V
V
50mV
MAX
±0.9
2.51
300
REF
REF
DD
0.8
0.4
3.6
2.8
2.3
1.2
0.8
±1
±1
10
10
±1
1
2
+
/2
ppm/°C
mV/mA
UNITS
mA
mV
mV
mA
mV
µA
pF
µF
µF
µA
µA
pF
µA
pF
µA
V
V
V
V
V
V
V
V
V
3