AD7923_11 datasheet(11/24 Pages) AD

Nome de Peças	AD7923

Descrição Electrónicos	4-Channel, 200 kSPS 12-Bit ADC with Sequencer in 16-Lead TSSOP

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Fabricante Electrônico	AD [Analog Devices]

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AD7923

Rev. C | Page 11 of 24

Signal-to-(Noise + Distortion) (SINAD) Ratio

This is the measured ratio of SINAD at the output of the ADC.

The signal is the rms amplitude of the fundamental. Noise is the

sum of all nonfundamental signals up to half the sampling

frequency (fS/2), excluding dc. The ratio is dependent on the

number of quantization levels in the digitization process, the

more levels, the smaller the quantization noise. The theoretical

SINAD ratio for an ideal N-bit converter with a sine wave input

is given by

SINAD = (6.02N + 1.76) dB

Thus for a 12-bit converter, this is 74 dB.

Total Harmonic Distortion (THD)

THD is the ratio of the rms sum of harmonics to the

fundamental. For the AD7923, it is defined as

1

2

6

2

5

2

4

2

3

2

log

20

)

(

V

dB

THD

+

=

where V1 is the rms amplitude of the fundamental and V2, V3,

V4, V5, and V6 are the rms amplitudes of the second through the

sixth harmonics.

Nº de peça semelhante - AD7923_11

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Analog Devices	AD7923	381Kb / 24P	4-Channel, 200 kSPS 12-Bit ADC with Sequencer in 16-Lead TSSOP REV. D
Analog Devices	AD7923	423Kb / 25P	4-Channel, 200 kSPS 12-Bit ADC Sequencer in 16-Lead TSSOP

More results

Descrição semelhante - AD7923_11

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Analog Devices	AD7923	430Kb / 20P	4-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 16-Lead TSSOP REV. 0
	AD7923	381Kb / 24P	4-Channel, 200 kSPS 12-Bit ADC with Sequencer in 16-Lead TSSOP REV. D
	AD7923	423Kb / 25P	4-Channel, 200 kSPS 12-Bit ADC Sequencer in 16-Lead TSSOP
	AD7927	407Kb / 28P	8-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 20-Lead TSSOP REV. D
	AD7927BRUZ	485Kb / 28P	8-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 20-Lead TSSOP REV. C
	AD7927	276Kb / 20P	8-Channel, 200 kSPS, 12-Bit ADC with Sequencer in 20-Lead TSSOP
	AD7927	485Kb / 29P	8-Channel, 200 kSPS, 12-Bit ADC Sequencer in 20-Lead TSSOP
	AD7490	950Kb / 29P	16-Channel, 1 MSPS, 12-Bit ADC with Sequencer in 28-Lead TSSOP REV. D
	AD7490	2Mb / 24P	16-Channel, 1 MSPS, 12-Bit ADC with Sequencer in 28-Lead TSSOP REV. A
	AD7490	673Kb / 28P	16-Channel, 1 MSPS, 12-Bit ADC with Sequencer in 28-Lead TSSOP REV. D

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