16-Bit, 135ksps, Single-Supply ADCs with
Bipolar Analog Input Range
MAX1177/MAX1178/MAX1188
ELECTRICAL CHARACTERISTICS (continued)
(AV
DD
= DV
DD
= +5V 卤5%, external reference = +4.096V, C
REF
= 10碌F, C
REFADJ
= 0.1碌F, V
REFADJ
= AV
DD
, T
A
= T
MIN
to T
MAX
,
unless otherwise noted. Typical values are at T
A
= +25掳C.)
PARAMETER
POWER SUPPLIES
Analog Supply Voltage
Digital Supply Voltage
AV
DD
DV
DD
External reference,
135ksps
Analog Supply Current
I
AVDD
Internal reference,
135ksps
MAX1177
MAX1178/MAX1188
MAX1177
MAX1178/MAX1188
5.2
0.5
3.7
0.75
AV
DD
= DV
DD
= 4.75V to 5.25V
3.5
4
4.75
2.70
5.25
5.25
2.9
5.3
3.8
6.2
5
碌A
mA
mA
LSB
mA
V
V
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Shutdown Supply Current
Digital Supply Current
Power-Supply Rejection
I
SHDN
I
DVDD
Shutdown mode (Note 1), digital input =
DV
DD
or 0V
Standby mode
TIMING CHARACTERISTICS (Figures 1 and 2)
(AV
DD
= +4.75V to +5.25V 卤5%, DV
DD
= +2.7V to AV
DD
, external reference = +4.096V, C
REF
= 10碌F, C
REFADJ
= 0.1碌F, V
REFADJ
=
AV
DD
, C
LOAD
= 20pF, T
A
= T
MIN
to T
MAX
.)
PARAMETER
Maximum Sampling Rate
Acquisition Time
Conversion Time
CS
Pulse Width High
CS
Pulse Width Low
R/C to
CS
Fall Setup Time
R/C to
CS
Fall Hold Time
CS
to Output Data Valid
EOC
Fall to
CS
Fall
CS
Rise to
EOC
Rise
Bus Relinquish Time
HBEN Transition to Output Data
Valid
SYMBOL
f
SAMPLE-MAX
t
ACQ
t
CONV
t
CSH
t
CSL
t
DS
t
DH
t
DO
t
DV
t
EOC
t
BR
t
DO
1
DV
DD
= 4.75V to 5.25V
DV
DD
= 2.7V to 5.25V
DV
DD
= 4.75V to 5.25V
DV
DD
= 2.7V to 5.25V
DV
DD
= 4.75V to 5.25V
DV
DD
= 2.7V to 5.25V
DV
DD
= 4.75V to 5.25V
DV
DD
= 2.7V to 5.25V
DV
DD
= 4.75V to 5.25V
DV
DD
= 2.7V to 5.25V
0
40
80
40
80
40
80
(Note 2)
(Note 2)
DV
DD
= 4.75V to 5.25V
DV
DD
= 2.7V to 5.25V
40
40
60
0
40
60
40
80
2
4.7
CONDITIONS
MIN
TYP
MAX
135
UNITS
ksps
碌s
碌s
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note 1:
Maximum specification is limited by automated test equipment.
Note 2:
To ensure best performance, finish reading the data and wait t
BR
before starting a new acquisition.
4
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