SPT7725 Ver la hoja de datos (PDF) - Fairchild Semiconductor

Número de pieza

componentes Descripción

Fabricante

SPT7725

8-BIT, 300 MSPS, FLASH A/D CONVERTER

Fairchild Semiconductor 

Figure 4 – Subcircuit Schematics

Input Circuit

AGND

VIN

VR

Output Circuit

AGND

DGND

Data Out

MINV, LINV Input Circuit

AGND

10 kW

MINV

LINV

–1.3 V

16 kW

VEE

VEE

Figure 5 – Clock Input

AGND

Figure 6 – Burn-In Circuit (42-lead DIP Package only)

VEE

VREF

1N4736

R4

R4

–2.0 V

CLK

CLK

13 kW

13 kW

–1.3 V

VEE

R3

VIN

R2

VIN

EVALUATION BOARDS

The EB7725 evaluation board is available to aid designers

in demonstrating the full performance of the SPT7725.

This board includes a voltage reference circuit, clock

driver circuit, output data latches, and an on-board recon-

struction of the digital data. An application note describing

the operation of this board, as well as application tips, is

also available. Contact the factory for price and delivery.

CLK

R2

CLK

CLK

CLK

R2

R1 = 50 W 1/4 Watt CC 5%

R2 = 1 kW 1/4 Watt CC 5%

R3 = 6.5 W 1/4 Watt CC 5%

R4 = 6.5 W 1/2 Watt CC 5%

VREF = –2.0 Volts

VEE = –6.6 Volts

R1 R1 R1 R1 R1 R1 R1 R1

D0

D1

D2

D3

D4

D5

D6

D7

LINV

MINV

R2

–2.0 V

SPT7725

9

8/17/01

Share Link: