Electrical characteristics (continued) – Rainbow Electronics MAX1401 User Manual
Page 5
MAX1401
+3V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +2.7V to +3.6V, V
DD
= +2.7V to +3.6V, V
REFIN+
= +1.25V, REFIN- = AGND, f
CLKIN
= 2.4576MHz, T
A
= T
MIN
to T
MAX
, unless
otherwise noted. Typical values are at T
A
= +25°C.)
2.4576MHz
1.024MHz
Buffers off
Buffers off
Buffers on
2.4576MHz
1.024MHz
370
420
Buffers off
Buffers off
Buffers on
Normal mode,
MF1 = 0,
MF0 = 0
610
700
250
300
Buffers on
610
Buffers on
2X mode,
MF1 = 0,
MF0 = 1
1.2
1.5
CONDITIONS
PD bit = 1, external clock stopped
0.42
0.55
245
2.4576MHz
1.024MHz
Buffers off
Buffers off
Buffers on
2.4576MHz
1.024MHz
1.2
Buffers off
Buffers off
Buffers on
4X mode,
MF1 = 1,
MF0 = 0
µA
4.8
6
1
10
1.8
2.2
Buffers on
4.8
Buffers on
8X mode,
MF1 = 1,
MF0 = 1
mA
4.8
6
I
V+
V+ Current
1.8
2.2
1.8
0.42
V+ Standby Current (Note 20)
0.08
70
200
2X mode,
MF1 = 0, MF0 = 1
0.17
0.35
Normal mode,
MF1 = 0, MF0 = 0
PD bit = 1, external clock stopped
1
10
150
300
µA
V
DD
Standby Current (Note 20)
µA
1.024MHz
2.4576MHz
1.024MHz
175
210
2.4576MHz
0.15
0.11
8X mode,
MF1 = 1, MF0 = 1
0.32
0.50
mA
4X mode,
MF1 = 1, MF0 = 0
0.22
0.40
1.024MHz
2.4576MHz
I
DD
Digital Supply Current
1.024MHz
2.4576MHz
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
ANALOG POWER-SUPPLY CURRENT
(Measured with digital inputs at either DGND or V
DD
, external CLKIN, burn-out currents
disabled, X2CLK = 0, CLK = 0 for 1.024MHz, CLK = 1 for 2.4576MHz.)
DIGITAL POWER-SUPPLY CURRENT
(Measured with digital inputs at either DGND or V
DD
, external CLKIN, burn-out currents
disabled, X2CLK = 0, CLK = 0 for 1.024MHz, CLK = 1 for 2.4576MHz.)
µA