MAX1274BCTC

Manufacturer Part NumberMAX1274BCTC
DescriptionAnalog to Digital Converters - ADC
ManufacturerMaxim Integrated
MAX1274BCTC datasheet
 

Specifications of MAX1274BCTC

Number Of Channels1ArchitectureSAR
Conversion Rate1800 KSPsResolution12 bit
Input TypeDifferentialSnr70 dB
Interface TypeQSPI, Serial (SPI, Microwire)Operating Supply Voltage4.75 V to 5.25 V
Maximum Operating Temperature+ 70 CPackage / CaseTQFN EP
Maximum Power Dissipation1349 mWMinimum Operating Temperature0 C
Number Of Converters1Voltage Reference5.25 V
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1.8Msps, Single-Supply, Low-Power,
ELECTRICAL CHARACTERISTICS (continued)
(V
= +5V ±5%, V
= V
, V
= 4.096V, f
DD
L
DD
REF
values are at T
= +25°C.)
A
PARAMETER
SYMBOL
ANALOG INPUTS (AIN+, AIN-)
Differential Input Voltage Range
Absolute Input Voltage Range
DC Leakage Current
Input Capacitance
Input Current (Average)
REFERENCE INPUT (REF)
REF Input Voltage Range
Input Capacitance
DC Leakage Current
Input Current (Average)
DIGITAL INPUTS (SCLK, CNVST)
Input Voltage Low
Input Voltage High
Input Leakage Current
DIGITAL OUTPUT (DOUT)
Output Load Capacitance
Output Voltage Low
Output Voltage High
Output Leakage Current
POWER REQUIREMENTS
Analog Supply Voltage
Digital Supply Voltage
Analog Supply Current,
Normal Mode
Analog Supply Current,
Partial Power-Down Mode
Analog Supply Current,
Full Power-Down Mode
Digital Supply Current (Note 7)
Positive-Supply Rejection
_______________________________________________________________________________________
True-Differential, 12-Bit ADCs
= 28.8MHz, 50% duty cycle, T
SCLK
CONDITIONS
AIN+ - AIN-, MAX1274
V
IN
AIN+ - AIN-, MAX1275
Per input pin
Time averaged at maximum throughput rate
V
REF
Time averaged at maximum throughput rate
V
IL
V
IH
I
IL
C
For stated timing performance
OUT
≥ 1.8V
V
I
= 5mA, V
OL
SINK
L
≥ 1.8V
V
I
= 1mA, V
OH
SOURCE
L
I
Output high impedance
OL
V
DD
V
L
Static, f
= 28.8MHz
SCLK
I
Static, no SCLK
DD
Operational, 1.8Msps
f
= 28.8MHz
SCLK
I
DD
No SCLK
f
= 28.8MHz
SCLK
I
DD
No SCLK
Operational, full-scale input at 1.8Msps
Static, f
= 28.8MHz
SCLK
Partial/full power-down mode,
f
= 28.8MHz
SCLK
Static, no SCLK, all modes
PSR
V
= 5V ±5%, full-scale input
DD
= -40°C to +85°C, unless otherwise noted. Typical
A
MIN
TYP
MAX
0
V
REF
-V
/2
+V
/2
REF
REF
0
V
DD
±1
16
75
V
+
DD
1.0
50mV
20
±1
400
0.3 x V
0.7 x V
L
0.05
±10
30
0.4
V
- 0.5V
L
±0.2
±10
4.75
5.25
1.8
V
DD
7
9
4
5
9
11
1
1
1
1
1
2.5
0.4
1
0.2
0.5
0.1
1
±0.2
±3.0
UNITS
V
V
µA
pF
µA
V
pF
µA
µA
V
L
V
µA
pF
V
V
µA
V
V
mA
mA
µA
mA
µA
mV
3