MAX1243BCSA Maxim Integrated Products, MAX1243BCSA Datasheet - Page 15

• Manufacturer Part Number: MAX1243BCSA
• Description: ADC (A/D Converters) Integrated Circuits (ICs)
• Manufacturer: Maxim Integrated Products

Specifications of MAX1243BCSA

• Number Of Adc Inputs: 1
• Architecture: SAR
• Conversion Rate: 73 KSPs
• Resolution: 10 bit
• Input Type: Voltage
• Interface Type: 3-Wire (SPI, QSPI, Microwire)
• Voltage Reference: External
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 2.7 V
• Maximum Power Dissipation: 471 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: SO-8
• Minimum Operating Temperature: 0 C
• Lead Free Status / Rohs Status: No

(AV
REF, T
DD
A
= DV
= +25°C, unless otherwise noted.)
DD
12-Bit, Multichannel ADCs/DACs with FIFO,
= 3V external V
NEGATIVE FULL-SCALE SETTLING TIME
POSITIVE FULL-SCALE SETTLING TIME
______________________________________________________________________________________
ADC REFERENCE SWITCHING
ADC REFERENCE FEEDTHROUGH
(R
(R
(R
LOAD
LOAD
LOAD
Temperature Sensing, and GPIO Ports
= 10kΩ, C
= 10kΩ, C
= 10kΩ, C
REF
200μs/div
1μs/div
1μs/div
= 2.5V, f
LOAD
LOAD
LOAD
= 100pF)
= 100pF)
= 100pF)
CLK
MAX1340 toc50
MAX1221 toc52
MAX1221 toc54
Typical Operating Characteristics (continued)
= 3.6MHz (50% duty cycle), f
V
1V/div
V
1V/div
V
1V/div
V
1V/div
V
1V/div
V
10mV/div
AC-COUPLED
OUT
LDAC
OUT_
LDAC
REF2
DAC-OUT
NEGATIVE FULL-SCALE SETTLING TIME
POSITIVE FULL-SCALE SETTLING TIME
AV
EXTERNAL REFERENCE = 4.096V
AV
EXTERNAL REFERENCE = 4.096V
AV
EXTERNAL REFERENCE = 4.096V
ADC REFERENCE SWITCHING
SAMPLE
DD
ADC REFERENCE FEEDTHROUGH
DD
(R
DD
(R
(R
LOAD
= DV
LOAD
LOAD
= DV
= DV
DD
DD
DD
= 10kΩ, C
= 10kΩ, C
= 10kΩ, C
= 225ksps, C
= 5V
= 5V
= 5V
200μs/div
1μs/div
2μs/div
LOAD
LOAD
LOAD
= 100pF)
= 100pF)
= 100pF)
LOAD
MAX1221 toc55
MAX1221 toc51
MAX1221 toc53
= 50pF, 0.1µF capacitor at
V
2V/div
V
2V/div
V
2V/div
V
2mV/div
AC-COUPLED
V
2V/div
V
2V/div
LDAC
OUT_
REF2
DAC-OUT
LDAC
OUT_
15