RHF1401 datasheet(13/29 Pages) STMICROELECTRONICS

Teilenummer	RHF1401

Bauteilbeschribung	Rad-hard 14-bit 20Msps 85mW A/D converter

PDF	29 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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13 / 29 page

RHF1401

Typical performance characteristics

13/29

Figure 10.

Single-tone 16K FFT

At Fs = 20 Msps, internal references, Fin =5 MHz, Icca = 40 mA, Vin@-1 dBFS,

SFDR = -89.3 dBc, THD = -84.5 dBc, SNR = 70.5 dB, SINAD = 70.3 dB, ENOB = 11.5 bits

Figure 11.

Single-tone 16K FFT

At Fs=20 Msps, external references, Fin=5 MHz, Icca = 40 mA, Vin@-1 dBFS, VREFP= 1.25V, SFDR = -87.5 dBc, THD = -

85.4 dBc, SNR = 73.3 dB, SINAD = 73 dB, ENOB = 11.84 bits

Figure 8.

2nd & 3rd harmonics vs. Fin, internal

refs, Fs =20 MHz; Icca = 40 mA

Figure 9.

2nd & 3rd harmonics vs. Fin, external

ref REFP=1 V, Fs=20MHz; Icca=28mA

-110

-105

-100

-95

-90

-85

-80

-75

-70

-65

-60

Fin (Mhz)

-110

-105

-100

-95

-90

-85

-80

-75

-70

-65

-60

1015

2025

Fin(Mhz)

-1 8 0

-1 6 0

-1 4 0

-1 2 0

-1 0 0

-8 0

-6 0

-4 0

-2 0

F( M h z )

-1 6 0

-1 4 0

-1 2 0

-1 0 0

-8 0

-6 0

-4 0

-2 0

F ( M hz )

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