MAX1282ACEE Maxim Integrated, MAX1282ACEE Datasheet - Page 3

• Manufacturer Part Number: MAX1282ACEE
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX1282ACEE

• Number Of Channels: 4/2
• Architecture: SAR
• Conversion Rate: 400 KSPs
• Resolution: 12 bit
• Input Type: Single-Ended/Pseudo-Differential
• Interface Type: 4-Wire (SPI, Microwire, QSPI, TMS320)
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Power Dissipation: 535 mW
• Number Of Converters: 1
• Voltage Reference: 2.5 V

ELECTRICAL CHARACTERISTICS—MAX1282 (continued)
(V
+2.5V at REF, REFADJ = V
ANALOG INPUTS (CH3–CH0, COM)
INTERNAL REFERENCE
EXTERNAL REFERENCE (reference buffer disabled, reference applied to REF)
DIGITAL INPUTS (DIN, SCLK, CS, SHDN)
DIGITAL OUTPUTS (DOUT, SSTRB)
Input Voltage Range, Single-
Ended and Differential (Note 6)
Multiplexer Leakage Current
Input Capacitance
REF Output Voltage
REF Short-Circuit Current
REF Output Temperature
Coefficient
Load Regulation (Note 7)
Capacitive Bypass at REF
Capacitive Bypass at REFADJ
REFADJ Output Voltage
REFADJ Input Range
REFADJ Buffer Disable
Threshold
Buffer Voltage Gain
REF Input Voltage Range
REF Input Current
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Leakage
Input Capacitance
Output Voltage Low
Output Voltage High
Three-State Leakage Current
Three-State Output Capacitance
DD1
= V
PARAMETER
DD2
= +4.5V to +5.5V, COM = GND, f
300ksps/400ksps, Single-Supply, 4-Channel,
Serial 12-Bit ADCs with Internal Reference
_______________________________________________________________________________________
DD1
, T
A
= T
SYMBOL
TC V
V
C
V
V
V
V
V
V
HYST
C
MIN
CH_
I
OUT
REF
INH
INL
OH
I
IN
OL
IN
L
REF
to T
MAX
Unipolar, V
Bipolar, V
to COM or CH_
On/off leakage current, V
V
T
0 to 1mA output load
For small adjustments, from 1.22V
To power down the internal reference
(Note 8)
V
V
In full power-down mode, f
V
I
I
CS = V
CS = V
SINK
SOURCE
A
DD1
REF
REF
IN
, unless otherwise noted. Typical values are at T
= +25°C
OSC
= 0 or V
= 2.500V, f
= 2.500V, f
= 5mA
DD2
DD2
= 6.4MHz, 50% duty cycle, 16 clocks/conversion cycle (400ksps), external
= 1mA
COM
COM
DD2
or V
CONDITIONS
= 0
SCLK
SCLK
CH_
= f
= 0
= V
MAX
COM
REF
SCLK
, V
/2, referenced
CH_
= 0
= 0 or
2.480
0.01
MIN
4.7
1.4
1.0
3.0
A
4
= +25°C.)
±0.001
2.500
+2.05
±100
TYP
0.05
1.22
±15
200
18
0.2
15
15
15
V
±V
DD1
V
50mV
2.520
MAX
V
DD1
±10
350
320
2.0
0.8
0.4
±1
±1
REF
10
10
REF
5
- 1.0
+
/2
ppm/°C
mV/mA
UNITS
mA
V/V
mV
µA
µA
µA
µA
pF
µF
µF
pF
pF
V
V
V
V
V
V
V
V
V
V
3