MAX1261ACEI Maxim Integrated, MAX1261ACEI Datasheet - Page 3

• Manufacturer Part Number: MAX1261ACEI
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX1261ACEI

• Number Of Channels: 8/4
• Architecture: SAR
• Conversion Rate: 250 KSPs
• Resolution: 12 bit
• Input Type: Single-Ended/Pseudo-Differential
• Snr: 70 dB
• Interface Type: Parallel
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 70 C
• Package / Case: QSOP-28
• Maximum Power Dissipation: 667 mW
• Minimum Operating Temperature: 0 C
• Number Of Converters: 1
• Voltage Reference: 2.5 V

ELECTRICAL CHARACTERISTICS (continued)
(V
cycle); T
ANALOG INPUTS
INTERNAL REFERENCE
EXTERNAL REFERENCE AT REF
DIGITAL INPUTS AND OUTPUTS
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
Capacitive Bypass at REFADJ
Capacitive Bypass at REF
REF Input Voltage Range
REF Input Current
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Leakage Current
Input Capacitance
Output Low Voltage
Output High Voltage
Tri-State Leakage Current
Tri-State Output Capacitance
DD
= V
A
LOGIC
PARAMETER
= T
with +2.5V Reference and Parallel Interface
MIN
= +2.7V to +3.6V, COM = GND, REFADJ = V
to T
_______________________________________________________________________________________
MAX
250ksps, +3V, 8-/4-Channel, 12-Bit ADCs
unless otherwise noted. Typical values are at T
SYMBOL
I
LEAKAGE
TC
C
V
V
V
I
V
C
C
V
V
REF
V
HYS
I
REF
OUT
OH
IN
OL
IN
REF
IH
IN
IL
IN
Unipolar, V
Bipolar, V
On-/off-leakage current, V
T
For small adjustments
To power down the internal reference
0 to 0.5mA output load (Note 7)
V
Shutdown mode
V
V
V
V
V
I
I
CS = V
CS = V
SINK
SOURCE
A
REF
LOGIC
LOGIC
LOGIC
LOGIC
IN
= 0°C to +70°C
= 0 or V
= 2.5V, f
= 1.6mA
DD
DD
= 2.7V
= 1.8V
= 2.7V
= 1.8V
= 1mA
COM
COM
DD
DD
SAMPLE
= V
CONDITIONS
= 0
, V
REF
REF
= 250ksps
/ 2
= +2.5V, 4.7µF capacitor at REF pin, f
IN
A
= +25°C.)
= 0 or V
DD
V
V
-V
DD
LOGIC
2.49
MIN
REF
4.7
1.0
2.0
1.5
0
- 1.0
/2
- 0.5
±0.01
±100
±0.1
±0.1
TYP
0.01
±20
200
200
2.5
0.2
12
15
15
15
CLK
= 4.8MHz (50% duty
+V
V
50mV
MAX
V
2.51
REF
300
DD
0.8
0.5
0.4
±1
±1
±1
10
REF
1
2
+
/2
ppm/°C
mV/mA
UNITS
mA
mV
mV
µA
pF
µF
µF
µA
µA
pF
µA
pF
V
V
V
V
V
V
V
V
3