Electrical characteristics (continued) – Rainbow Electronics MAX1400 User Manual
Page 4
Power-Supply Rejection V+
(Note 16)
dB
PSR
MAX1400
+5V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +5V ±5%, V
DD
= +2.7V to +5.25V, V
REFIN+
= +2.50V, REFIN- = AGND, f
CLKIN
= 2.4576MHz, T
A
= T
MIN
to T
MAX
, unless other-
wise noted. Typical values are at T
A
= +25°C.)
CONDITIONS
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
0.8
0.8
All inputs except
CLKIN
0.4
µA
-10
+10
I
IN
Input Current
200
CLKIN only
All inputs except
CLKIN
mV
200
V
HYS
Input Hysteresis
DOUT
and INT
0.4
pF
9
C
O
Floating State Output
Capacitance
µA
-10
10
I
L
Floating State Leakage Current
V
0.4
V
IL
Input Low Voltage
±5% for specified performance; functional with
lower V
REF
V
2.50
REFIN+ - REFIN- Voltage
(Note 13)
V
DD
= 5V
V
DD
= 3.3V
V
DD
= 5V
V
DD
= 3.3V
V
DD
= 5V
V
DD
= 3.3V
V
DD
= 5V
V
DD
= 3.3V
2
3.5
All inputs except
CLKIN
2
CLKIN only
V
2.4
V
IH
Input High Voltage
V
DD
= 5V
V
DD
= 3.3V
µA
0.1
I
BO
Current
%
±10
Initial Tolerance
%/°C
±0.05
Drift
Hz
(Table 15)
f
S
AIN and REFIN Input Sampling
Frequency
CLKOUT
V
0.4
V
OL
Output Low Voltage (Note 14)
V
DD
= 5V, I
SINK
= 800µA
V
DD
= 3.3V, I
SINK
= 100µA
V
DD
= 5V, I
SINK
= 10µA
V
DD
= 3.3V, I
SINK
= 10µA
CLKOUT
V
V
DD
- 0.3
V
OH
Output High Voltage (Note 14)
4
V
DD
= 5V, I
SOURCE
= 200µA
V
DD
= 3.3V, I
SOURCE
= 100µA
V
DD
= 5V, I
SOURCE
= 10µA
DOUT
and INT
V
DD
- 0.3
4
V
DD
= 3.3V, I
SOURCE
= 10µA
For specified performance
V
4.75
5.25
V+
V+ Voltage
V
2.7
5.25
V
DD
V
DD
Voltage
dB
(Note 17)
PSR
Power-Supply Rejection V+
(Note 16)
TRANSDUCER BURN-OUT
(Note 15)
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