MAX9939 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX9939 Datasheet PDF : 15 Pages
| |||
SPI Programmable-Gain Amplifier
with Input VOS Trim and Output Op Amp
VCC
0.1µF
1µF
VCC
MAX9939
VCC
20kΩ
20kΩ
VCC/2
VCC/2
20kΩ
20kΩ
10kΩ
INA+
A
RI
LVL
10kΩ
INA-
RF
OUTA
66.5kΩ
INB
121kΩ
4.7nF
10kΩ
INPUT
GAIN
OFFSET-
VOLTAGE
SHUTDOWN
TRIM
SPI REGISTERS
SCLK DIN CS
VCC
20kΩ
B
20kΩ
VCC/2
220pF
OUTB
66.5kΩ
1.21kΩ
100nF
ASIC
ADC
GND
CS
DOUT
SCLK
Figure 3. Using the MAX9939 Output Amplifier as an Anti-Aliasing Filter (Corner Frequency = 1.3kHz) to Maximize Nyquist Bandwidth
______________________________________________________________________________________ 11
Share Link: 