Block Diagram of a Second-Order Modulator The modulator shifts the quantization noise to high frequencies; see Figure 49. Therefore, use a low-pass digital filter at the output of the device to increase overall performance. This filter is also used to convert from the 1-bit data stream at ...
Specifically, under the guidance of a series of ecological protection policies such as returning farmland to forests, the impact of deforestation for large-scale agricultural development gradually weakened, and urban expansion caused by the conversion of cultivated land gradually became the main threat ...
ANALOG INPUT CHANNELS FUNCTIONAL BLOCK DIAGRAM VDD REF IN(–) REF IN(+) AD7705/AD7706 MAX BUFFER PGA CHARGE BALANCING A/D CONVERTER ⌺-⌬ MODULATOR A = 1Ϸ128 DIGITAL FILTER MCLK IN MCLK OUT CLOCK GENERATION SERIAL INTERFACE REGISTER BANK SCLK CS DIN DOUT GND DRDY RESET using the ...
If it is not possible to guarantee this, current limiting resistors should be placed in series with the logic inputs to again limit the current. Latch-up current is greater than 100 mA. 1600 1400 1200 USING CRYSTAL OSCILLATOR TA = +25؇C UNBUFFERED MODE GAIN = 128 1000 800 fCLK = ...
(70 µA) ► Matched programmable excitation currents ► Internal clock oscillator ► On-chip bias voltage generator FUNCTIONAL BLOCK DIAGRAM ► Low-side power switch ► General-purpose outputs ► Multiple filter options ► Internal temperature sensor ► Self and system calibration ► ...
8.4 Device Functional Modes 8.4.1 Power Pins, Power-Down, and Power-Up Modes TI recommends that all of the power pins be filtered with a series 18-Ω resistor and then placing two capacitors shunt to ground, thus creating a low pass filter. Although it makes sense to use large capacitor...
Also included in the flowing diagram is a series of words that should be writ- ten to the registers for a particular set of operating conditions. These conditions are gain of 1, no filter sync, bipolar mode, buffer off, clock of 4.9512 MHz, and an ou...
8.4 Device Functional Modes 8.4.1 Power Pins, Power-Down, and Power-Up Modes TI recommends that all of the power pins be filtered with a series 18-Ω resistor and then placing two capacitors shunt to ground, thus creating a low pass filter. Although it makes sense to use large capacitor...