MAX1243BCSA Maxim Integrated Products, MAX1243BCSA Datasheet - Page 12

• 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

12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
(AV
REF, T
12
-100
-120
-140
-160
-20
-40
-60
-80
DD
0
______________________________________________________________________________________
A
0
= DV
= +25°C, unless otherwise noted.)
ANALOG INPUT FREQUENCY (kHz)
DD
50
= 3V external V
ADC IMD PLOT
1.29
1.28
1.27
1.26
1.25
1.24
1.23
1.22
1.21
3.0
2.5
2.0
1.5
1.0
0.5
0
100
-30
0
DAC OUTPUT LOAD REGULATION
f
f
f
A
IMD = 82.99dBc
CLK
IN1
IN2
IN
-20
= -6dBFS
= 9.0kHz
= 11.0kHz
20
= 5.24288MHz
GPIO OUTPUT VOLTAGE
150
vs. OUTPUT CURRENT
vs. SOURCE CURRENT
REF
SOURCE CURRENT (mA)
OUTPUT CURRENT (mA)
-10
SINKING
= 2.5V, f
40
GPIOA0, GPIOA1 OUTPUTS
DAC OUTPUT = MIDSCALE
200
0
SOURCING
60
GPIOC0, GPIOC1
CLK
10
OUTPUTS
-100
-120
-140
-160
Typical Operating Characteristics (continued)
= 3.6MHz (50% duty cycle), f
-20
-40
-60
-80
80
0
20
0
100
30
ANALOG INPUT FREQUENCY (kHz)
ADC CROSSTALK PLOT
50
100
f
f
f
SNR = 72.00dBc
THD = 85.24dBc
ENOB = 11.65 BITS
CLK
IN1
IN2
1500
1200
= 10.080kHz
= 8.0801kHz
= 5.24288MHz
900
600
300
150
5
4
3
2
1
0
0
SAMPLE
0
0
200
20
20
GPIO OUTPUT VOLTAGE
GPIO OUTPUT VOLTAGE
= 225ksps, C
vs. SOURCE CURRENT
SOURCE CURRENT (mA)
vs. SINK CURRENT
SINK CURRENT (mA)
AV
EXTERNAL REFERENCE = 4.096V
AV
EXTERNAL REFERENCE = 4.096V
GPIOA0, AGPIOA1 OUTPUTS
DD
40
40
DD
GPIOC0, GPIOC1 OUTPUTS
2.08
2.07
2.06
2.05
2.04
2.03
2.02
2.01
2.00
GPIOC0, GPIOC1
= DV
GPIOA0, GPIOA1 OUTPUTS
= DV
OUTPUTS
-30
DD
DD
60
60
DAC OUTPUT = MIDSCALE
= 5V
= 5V
SINKING
LOAD
AV
EXTERNAL REFERENCE = 4.096V
DAC OUTPUT LOAD REGULATION
DD
= DV
vs. OUTPUT CURRENT
80
80
0
SOURCING
OUTPUT CURRENT (mA)
= 50pF, 0.1µF capacitor at
DD
= 5V
100
100
30
60
90