MAX191BCWG+ Maxim Integrated Products, MAX191BCWG+ Datasheet - Page 6

• Manufacturer Part Number: MAX191BCWG+
• Description: IC ADC 12BIT 100KSPS W/REF24SOIC
• Manufacturer: Maxim Integrated Products

Specifications of MAX191BCWG+

• Number Of Bits: 12
• Sampling Rate (per Second): 100k
• Data Interface: MICROWIRE™, Parallel, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 941mW
• Voltage Supply Source: Dual ±
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (0.300", 7.50mm Width)
• Number Of Adc Inputs: 1
• Architecture: SAR
• Conversion Rate: 100 KSPs
• Resolution: 12 bit
• Input Type: Differential
• Interface Type: 3-Wire (SPI, QSPI, MICROWIRE)
• Supply Voltage (max): 5 V
• Maximum Power Dissipation: 1067 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low-Power, 12-Bit Sampling ADC
with Internal Reference and Power-Down
6
__________________________________________Typical Operating Characteristics
0.01
0.1
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
_______________________________________________________________________________________
0
1
-60
0.1
-30
POSITIVE SUPPLY CURRENT
vs. TIMING CAPACITOR
CLOCK FREQUENCY
TIMING CAPACITOR (nF)
vs. TEMPERATURE
0
TEMPERATURE (°C)
30
1
60
SEE FIGURE 5
T
A
90
= +25˚C
120
150
10
-100
-120
-140
-80
-20
-40
-60
25
20
15
10
5
0
0
-60
0
V
V
PD = 0V
POWER-DOWN SUPPLY CURRENT
DD
SS
-30
= -5V
= +5V
1
vs. TEMPERATURE
I
-94.3dB -96.1dB-98.0dB -93.8dB
SS
0
1kHz FFT PLOT
TEMPERATURE (°C)
FREQUENCY (kHz)
2
30
I
DD
3
60
f
f
SNR = 72dB
T
IN
S
A
4
= 100kHz
90
= 1kHz
= +25˚C
120
5
150
6
-100
-120
-140
-20
-40
-60
-80
25
20
15
10
5
0
0
-60
0
-30
NEGATIVE SUPPLY CURRENT
5
10
vs. TEMPERATURE
0
10kHz FFT PLOT
TEMPERATURE (°C)
FREQUENCY (kHz)
15
30
-86.0dB
20
60
25
f
f
SNR = 71.2dB
T
IN
S
-90.8dB
A
90
= 100kHz
= +25˚C
= 10kHz
30
120
35
150
40