RHF1401 datasheet(11/29 Pages) STMICROELECTRONICS

No. de pieza	RHF1401

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

PDF	29 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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11 / 29 page

RHF1401

Electrical characteristics (unchanged after 300kRad)

11/29

Higher values of SNR, SINAD and ENOB can be obtained by increasing the analog input full

scale range. This is illustrated in Figure 11 on page 13, Figure 18, and Figure 19 on page 17

with VREFP= 1.25V, and also in Figure 15 and Figure 16 on page 16 with VREFP up to 1.4V.

Table 10.

Dynamic characteristics

Symbol

Parameter(1)

See Section 8: Definitions of specified parameters on page 24 for more information.

Test conditions

Min

Typ

Max

Unit

SFDR

Spurious free dynamic

range

Fin = 10 MHz,

internal reference

-91

dBFS

Fin = 10 MHz,

VREFP =1 V

-89

SNR

Signal to noise ratio

Fin = 10 MHz,

internal reference

Fin= 10 MHz,

VREFP = 1 V

71.5

THD

Total harmonic distortion

Fin= 10 MHz,

internal reference

-86

dBc

Fin= 10 MHz,

VREFP = 1 V

-85

SINAD

Signal to noise and

distortion ratio

Fin= 10 MHz,

internal reference

Fin= 10 MHz,

VREFP = 1 V

ENOB

Effective number of bits

Fin= 10 MHz,

internal reference

11.5

bits

Fin= 10 MHz,

VREFP = 1 V

11.7

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