MAX1149BEUP+ Maxim Integrated Products, MAX1149BEUP+ Datasheet - Page 10

• Manufacturer Part Number: MAX1149BEUP+
• Description: IC ADC 14BIT 116KSPS 20-TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1149BEUP+

• Number Of Bits: 14
• Sampling Rate (per Second): 116k
• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 879mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Number Of Adc Inputs: 8
• Architecture: SAR
• Conversion Rate: 116 KSPs
• Resolution: 14 bit
• Interface Type: Serial
• Voltage Reference: Internal 2.5 V or External
• Supply Voltage (max): 3.3 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Multichannel, True-Differential,
Serial, 14-Bit ADCs
10
(V
(50% duty cycle), 18 clocks/conversion (116ksps), V
nal +2.500V reference at REF (MAX1147/MAX1149), C
DD
______________________________________________________________________________________
= +5.0V (MAX1146/MAX1148), V
-2
-4
-6
-2
-4
-6
-2
-4
-6
6
4
2
0
6
4
2
0
6
4
2
0
vs. SUPPLY VOLTAGE (MAX1146/MAX1148)
CHANNEL-TO-CHANNEL OFFSET MATCHING
-40
4.75
-40
CHANNEL-TO-CHANNEL GAIN MATCHING
GAIN ERROR vs. TEMPERATURE
4.85
-15
-15
vs. TEMPERATURE
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
4.95
10
10
DD
5.05
35
35
= +3.3V (MAX1147/MAX1149), SHDN = V
5.15
60
60
Typical Operating Characteristics (continued)
REFADJ
5.25
85
85
REF
= 2.2µF, C
= V
DD
, external +4.096V reference at REF (MAX1146/MAX1148), exter-
LOAD
= 50pF, T
-2
-4
-6
-2
-4
-6
-2
-4
-6
6
4
2
0
6
4
2
0
6
4
2
0
vs. SUPPLY VOLTAGE (MAX1147/MAX1149)
A
CHANNEL-TO-CHANNEL OFFSET MATCHING
CHANNEL-TO-CHANNEL OFFSET MATCHING
DD
-40
2.7
-40
= +25°C, unless otherwise noted.)
, V
OFFSET ERROR vs. TEMPERATURE
COM
-15
-15
vs. TEMPERATURE
SUPPLY VOLTAGE (V)
= 0, f
TEMPERATURE (°C)
3.0
TEMPERATURE (°C)
10
10
SCLK
35
35
= 2.1MHz, external clock
3.3
60
60
3.6
85
85