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MAX1065BCUI+

P1-P3P4-P6P7-P9P10-P12P13-P14
MAX1065/MAX1066
Low-Power, 14-Bit Analog-to-Digital Converters
with Parallel Interface
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(AV
DD
= DV
DD
= 5V, external reference = 4.096V, C
REF
= 1µF, C
REFADJ
= 0.1µF, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
165ksps 0.5 0.7
100ksps 0.3
10ksps 0.03
Digital Supply Current I
DVDD
D0–D13 = all zeros
1ksps 0.003
mA
I
AVDD
0.05 5 mA
Full power-down
I
DVDD
0.5 6 µA
I
AVDD
1.0 1.2 mA
Shutdown Supply Current
(Note 4)
I
SHDN
REF and REF
buffer enabled
(standby mode)
I
DVDD
0.5 5 µA
Power-Supply Rejection Ratio
(Note 5)
PSRR AV
DD
= 5V, ±5%, full-scale input 68 dB
TIMING CHARACTERISTICS (Figures 1 and 2)
(AV
DD
= 4.75V to 5.25V, DV
DD
= 2.7V to AV
DD
, external reference = 4.096V, C
REF
= 1µF, C
REFADJ
= 0.1µF, C
D
13–D0,
C
EOC
= 20pF,
T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Acquisition Time t
ACQ
1.1
Conversion Time t
CONV
4.7
µs
CS Pulse Width High t
CSH
(Note 6) 40 ns
V
DVDD
= 4.75V to 5.25V 40
CS Pulse Width Low t
CSL
(Note 6)
V
DVDD
= 2.7V to 4.74V 60
ns
R/C to CS Fall Setup Time t
DS
0ns
V
DVDD
= 4.75V to 5.25V 40
R/C to CS Fall Hold Time t
DH
V
DVDD
= 2.7V to 5.25V 60
ns
V
DVDD
= 4.75V to 5.25V 40
CS to Output Data Valid t
DO
V
DVDD
= 2.7V to 4.74V 80
ns
V
DVDD
= 4.75V to 5.25V 40
HBEN Transition To
Output Data Valid
(MAX1066 only)
t
DO1
V
DVDD
= 2.7V to 4.74V 80
ns
EOC Fall To CS Fall t
DV
0ns
V
DVDD
= 4.75V to 5.25V 40
CS Rise To EOC Rise t
EOC
V
DVDD
= 2.7V to 4.74V 80
ns
V
DVDD
= 4.75V to 5.25V 40
Bus Relinquish Time
(Note 6)
t
BR
V
DVDD
= 2.7V to 4.74V 80
ns
Note 1: Relative accuracy is the deviation of the analog value at any code from its theoretical value after offset and gain errors have
been removed.
Note 2: Offset nulled.
Note 3: Guaranteed by design, not production tested.
Note 4: Maximum specification is limited by automated test equipment.
Note 5: Defined as the change in positive full scale caused by a ±5% variation in the nominal supply.
Note 6: To ensure best performance, finish reading the data and wait t
BR
before starting a new acquisition.
MAX1065/MAX1066
Low-Power, 14-Bit Analog-to-Digital Converters
with Parallel Interface
_______________________________________________________________________________________
5
DNL vs. OUTPUT CODE
MAX1065/MAX1066 toc01
OUTPUT CODE
DNL (LSB)
1228881924096
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1.0
-1.0
0 16384
INL vs. OUTPUT CODE
MAX1065/MAX1066 toc02
OUTPUT CODE
INL (LSB)
1228881924096
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
0 16384
I
AVDD
+ I
DVDD
SUPPLY CURRENT
vs. SAMPLE RATE
MAX1065/MAX1066 toc03
CONVERSION RATE (ksps)
SUPPLY CURRENT (mA)
1001010.1
0.001
0.01
0.1
1
10
0.0001
0.01 1000
I
AVDD
+ I
DVDD
SUPPLY CURRENT
vs. TEMPERATURE
MAX1065/MAX1066 toc04
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
806040200-20
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
-40
SAMPLE RATE = 165ksps
I
AVDD
+ I
DVDD
SHUTDOWN CURRENT
vs. TEMPERATURE
MAX1065/MAX1066 toc05
TEMPERATURE (°C)
SHUTDOWN CURRENT (μA)
806040200-20
5.0
0
-40
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
INTERNAL REFERENCE
vs. TEMPERATURE
MAX1065/MAX1066 toc06
TEMPERATURE (°C)
INTERNAL REFERENCE (V)
806040200-20
4.136
4.056
-40
4.066
4.076
4.086
4.096
4.106
4.116
4.126
OFFSET ERROR vs. TEMPERATURE
MAX1065/MAX1066 toc07
TEMPERATURE (°C)
OFFSET ERROR (μV)
806040200-20
1000
0
-40
-800
-600
-400
-200
0
200
400
600
800
GAIN ERROR vs. TEMPERATURE
MAX1065/MAX1066 toc08
TEMPERATURE (°C)
GAIN ERROR (%FSR)
806040200-20
0.020
-0.020
-40
-0.015
-0.010
-0.005
0
0.005
0.010
0.015
SINAD vs. FREQUENCY
MAX1065/MAX1066 toc09
FREQUENCY (kHz)
SINAD (dB)
101
10
20
30
40
50
60
70
80
90
100
0
0.1 100
SAMPLE RATE = 165ksps
Typical Operating Characteristics
(AV
DD
= DV
DD
= 5V, external reference = 4.096V, C
REF
= 1µF, C
REFADJ
= 0.1µF, T
A
= +25°C, unless otherwise noted.)
MAX1065/MAX1066
Low-Power, 14-Bit Analog-to-Digital Converters
with Parallel Interface
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(AV
DD
= DV
DD
= 5V, external reference = 4.096V, C
REF
= 1µF, C
REFADJ
= 0.1µF, T
A
= +25°C, unless otherwise noted.)
Pin Description
PIN NAME
MAX1065
MAX1066 MAX1065 MAX1066
FUNCTION
11D6
D4/D12
Three-State Digital Data Output
22D7
D5/D13
Three-State Digital Data Output. D13 is the MSB.
3 3 D8 D6/0 Three-State Digital Data Output
4 4 D9 D7/0 Three-State Digital Data Output
5 — D10 — Three-State Digital Data Output
6 — D11 — Three-State Digital Data Output
7 — D12 — Three-State Digital Data Output
8 — D13 — Three-State Digital Data Output (MSB)
95 R/C
Read/Convert Input. Power up and put the MAX1065/MAX1066 in acquisition
mode by holding R/C low during the first falling edge of CS. During the
second falling edge of CS the level on R/C determines whether the reference
and reference buffer power down or remain on after conversion. Set R/C high
during the second falling edge of CS to power down the reference and buffer,
or set R/C low to leave the reference and buffer powered up. Set R/C high
during the third falling edge of CS to put valid data on the bus.
10 6 EOC End Of Conversion. EOC drives low when conversion is complete.
11 7 AV
DD
Analog Supply Input. Bypass with a 0.1µF capacitor to AGND.
12 8 AGND Analog Ground. Primary analog ground (star ground).
13 9 AIN Analog Input
14 10 AGND
Analog Ground. Connect Pin 14 to Pin 12 (MAX1065). Connect Pin 10 to Pin 8
(MAX1066).
P1-P3P4-P6P7-P9P10-P12P13-P14

MAX1065BCUI+

Mfr. #:
Buy MAX1065BCUI+
Manufacturer:
Maxim Integrated
Description:
Analog to Digital Converters - ADC Low-Power 14-Bit w/Parallel Interface
Lifecycle:
New from this manufacturer.
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