TDA8764A 查看數據表（PDF） - Philips Electronics

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TDA8764A

10-bit high-speed low-power ADC

Philips Electronics 

Philips Semiconductors

10-bit high-speed low-power ADC

Product specification

TDA8764A

7. The analog input settling time is the minimum time required for the input signal to be stabilized after a sharp full-scale

input (square wave signal) in order to sample the signal and obtain correct output data.

8. Effective bits are obtained via a Fast Fourier Transform (FFT) treatment taking 8K acquisition points per equivalent

fundamental period. The calculation takes into account all harmonics and noise up to half of the clock frequency

(Nyquist frequency). Conversion to signal-to-noise ratio: S/N = EB × 6.02 + 1.76 dB.

9. Intermodulation measured relative to either tone with analog input frequencies of 4.5 and 4.3 MHz. The two input

signals have the same amplitude and the total amplitude of both signals provides full-scale to the converter.

10. Output data acquisition: the output data is available after the maximum delay time of td. It is recommended to have

the lowest possible output load. These parameters are guaranteed by characterization and not by production test.

handbook, halfpage

VRT

VRM

VRB

RLAD

ROT

RL

IL

code 1023

code 0

ROB

FCE256

Fig.4 Explanation of note 4.

2000 Jul 03

11

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