MAX1142BCAP Maxim Integrated, MAX1142BCAP Datasheet - Page 6

• Manufacturer Part Number: MAX1142BCAP
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX1142BCAP

• Number Of Channels: 1
• Architecture: SAR
• Conversion Rate: 200 KSPs
• Resolution: 14 bit
• Input Type: Single-Ended
• Snr: 82 dB
• Interface Type: QSPI, Serial (SPI, Microwire)
• Operating Supply Voltage: 4.75 V to 5.25 V
• Maximum Operating Temperature: + 70 C
• Package / Case: SSOP-20
• Maximum Power Dissipation: 640 mW
• Minimum Operating Temperature: 0 C
• Number Of Converters: 1
• Voltage Reference: 4.096 V

14-Bit ADC, 200ksps, +5V Single-Supply
with Reference
(MAX1142/MAX1143, AV
lar input, external REF = +4.096V, 0.22µF bypassing on REFADJ, 2.2µF on REF, 1µF on CREF, T
6
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
_______________________________________________________________________________________
0
-1
-2
-3
-4
0
-40
1
A: AV
B: AV
C: AV
B
C
A
1717
-20
DD
DD
DD
vs. DIGITAL OUTPUT CODE
INTEGRAL NONLINEARITY
3433
, DV
, DV
, DV
vs. TEMPERATURE
DIGITAL OUTPUT CODE
DD
DD
OFFSET VOLTAGE
DD
5149
TEMPERATURE ( C)
0
= +4.75V
= +5.00V
= +5.25V
6865
20
8581
DD
10297
40
= DV
12013
60
DD
13729
= +5V , f
80
15445
SCLK
0.04
0.03
0.02
0.01
-0.5
-1.0
1.0
0.5
= 4.8MHz, external clock (50% duty cycle), 24-clocks/conversion (200ksps), bipo-
0
0
-40
1
A: AV
B: AV
C: AV
C
1632
-20
DIFFERENTIAL NONLINEARITY
DD
DD
DD
3263
vs. DIGITAL OUTPUT CODE
, DV
, DV
, DV
4894
DIGITAL OUTPUT CODE
DD
DD
DD
GAIN ERROR vs.
TEMPERATURE ( C)
TEMPERATURE
0
= +4.75V
= +5.00V
= +5.25V
6525
20
8156
B
A
Typical Operating Characteristics
9787
40
11418
13049
60
14680
80
1631
11.5
11.3
11.1
10.9
10.7
10.5
10.3
10.1
0.01
9.9
9.7
9.5
100
A
0.1
10
1
= 25°C, unless otherwise noted.)
-40
CONVERSION RATE (USING SHUTDOWN)
0
A: AVDD, DVDD = +4.75V
B: AVDD, DVDD = +5.00V
C: AVDD, DVDD = +5.25V
-20
TOTAL SUPPLY CURRENT vs.
TOTAL SUPPLY CURRENT
1
CONVERSION RATE (ksps)
vs. TEMPERATURE
TEMPERATURE ( C)
0
A
20
10
C
B
40
100
60
80
1000