MAX1275 Maxim Integrated Products, MAX1275 Datasheet - Page 3

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MAX1275

Manufacturer Part Number
MAX1275
Description
(MAX1274 / MAX1275) 12-Bit ADCs
Manufacturer
Maxim Integrated Products
Datasheet
www.DataSheet4U.com
ELECTRICAL CHARACTERISTICS (continued)
(V
values are at T
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
DD
= +5V ±5%, V
PARAMETER
A
= +25°C.)
L
_______________________________________________________________________________________
= V
DD
, V
REF
1.8Msps, Single-Supply, Low-Power,
= 4.096V, f
SYMBOL
C
V
V
V
PSR
V
VIH
V
VIL
I
I
I
I
V
REF
I
OUT
DD
DD
DD
OL
OH
DD
IL
OL
IN
L
SCLK
AIN+ - AIN-, MAX1274
AIN+ - AIN-, MAX1275
Per input pin
Time averaged at maximum throughput rate
Time averaged at maximum throughput rate
For stated timing performance
I
I
Output high impedance
Static, f
Static, no SCLK
Operational, 1.8Msps
fSCLK = 28.8MHz
No SCLK
fSCLK = 28.8MHz
No SCLK
Operational, full-scale input at 1.8Msps
Static, f
Partial/full power-down mode,
f
Static, no SCLK, all modes
V
SINK
SOURCE
SCLK
DD
True-Differential, 12-Bit ADCs
= 28.8MHz, 50% duty cycle, T
= 5V ±5%, full-scale input
= 5mA, V
= 28.8MHz
SCLK
SCLK
= 1mA, V
= 28.8MHz
= 28.8MHz
L
CONDITIONS
‡ 1.8V
L
‡ 1.8V
A
= T
MIN
to T
V
-V
0.7 x V
MAX
L
4.75
MIN
REF
1.0
1.8
- 0.5V
0
0
, unless otherwise noted. Typical
/ 2
L
TYP
0.05
±0.2
±0.2
400
0.4
0.2
0.1
16
75
20
7
4
9
1
1
1
1
+V
0.3 x V
V
50mV
MAX
V
REF
5.25
±3.0
V
V
±10
±10
DD
0.4
2.5
0.5
±1
±1
30
11
REF
DD
DD
9
5
1
1
1
+
/ 2
L
UNITS
mA
mA
mA
mV
µA
pF
µA
pF
µA
µA
µA
pF
µA
µA
µA
V
V
V
V
V
V
V
V
V
3

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