MAX1149BEUP+ Maxim Integrated Products, MAX1149BEUP+ Datasheet - Page 9

• 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

(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 (MAX1147/MAX1149)
_______________________________________________________________________________________
2.7
2.7
2.7
CHANNEL-TO-CHANNEL GAIN MATCHING
OFFSET ERROR vs. SUPPLY VOLTAGE
GAIN ERROR vs. SUPPLY VOLTAGE
(MAX1147/MAX1149)
(MAX1147/MAX1149)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
3.0
3.0
3.0
DD
= +3.3V (MAX1147/MAX1149), SHDN = V
3.3
3.3
3.3
Multichannel, True-Differential,
Typical Operating Characteristics (continued)
REFADJ
3.6
3.6
3.6
REF
= 2.2µF, C
= V
DD
, external +4.096V reference at REF (MAX1146/MAX1148), exter-
LOAD
= 50pF, T
-2
-4
-6
-5
-6
-7
Serial, 14-Bit ADCs
-1
-2
-3
-4
-8
-2
-4
-6
6
4
2
0
0
6
4
2
0
vs. SUPPLY VOLTAGE (MAX1146/MAX1148)
4.75
4.75
4.75
CHANNEL-TO-CHANNEL GAIN MATCHING
OFFSET ERROR vs. SUPPLY VOLTAGE
A
DD
GAIN ERROR vs. SUPPLY VOLTAGE
= +25°C, unless otherwise noted.)
, V
4.85
4.85
4.85
COM
(MAX1146/MAX1148)
(MAX1146/MAX1148)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
4.95
4.95
4.95
= 0, f
SCLK
5.05
5.05
5.05
= 2.1MHz, external clock
5.15
5.15
5.15
5.25
5.25
5.25
9