CXA1166K データシートの表示（PDF） - Sony Semiconductor

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CXA1166K

8-bit 250 MSPS Flash A/D Converter

Sony Semiconductor 

CXA1166K

8-bit, 250 MSPS ADC Evaluation Board

The CXA1166K PCB is a tool for customers to evaluate the performance of the CXA1166K (8-bit, 250MHz,

high-speed A/D converter). In addition to indispensable features such as the reference voltage generator, this

tool equips the input voltage offset generator, clock decimator, output date latches, 10-bit high-speed DAC,

and 20-pin cable connector for digital outputs. This evaluation board is designed to facilitate evaluation.

Features

• Resolution: 8 bits

• Maximum conversion rate: 250 MSPS

• Supply voltage: –5.2V, –4.5V, –2.0V, +5.0V

• Clock level converter: Sine wave to ECL level signal

• Reference voltage adjustment circuit for A/D converter

• Built-in clock frequency decimation circuit: 1/1 to 1/128

Fig. 1. Block Diagram

VR2

VRB

(2k)

– 2V

VR3

(2k)

VR1

Vin

(2k)

OFFSET

AMP.IN

X

(– 2)

53

0.1µ

CLK

51

H

L

SW4

SW5

LINV MINV

VRB

J1

VIN

8 (D7 to D0) DATA

8 (D7 to D0) LATCH

CXA1166K

CLK

CLK

DIGITAL OUT

(CONNECTOR)

8 (D7 to D0)

2 (CLK.CLK)

DELAY

SW2

SW1

DECIMATOR

SW3 1/1 to 1/128

8 (D7 to D0)

D/A

CONVERTER

D/A OUT

H

CLK

INV SW6 L

+ 5V (A) – 5.2V (A) AGND

DGND

– 5.2V (D) – 2V (D) – 4.5V (D)

– 17 –

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