CXA1843Q 查看數據表（PDF） - Sony Semiconductor

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CXA1843Q

High-Speed Sample-and-Hold IC

Sony Semiconductor 

CXA1843Q

S/H + A/D EVALUATION BOARD

The S/H + A/D Evaluation Board is a printed circuit board for evaluating the 10-bit 33MSPS high speed

sample-and-hold IC (CXA1843Q) and 2-step A/D converter (CXA1844Q). This board is designed to enable

users to make full use of the performance of CXA1843Q + CXA1844Q and evaluate them easily.

Features

• Resolution

• Maximum operating conversion speed

• 2 types analog input

• Analog input dynamic range

• Digital output level

• Power supply voltage

• Built-in D/A converter (For evaluation)

10bit

33MSPS

VIN input (OP AMP input) and DIR. IN input (AC coupled input) are available.

2Vp-p

TTL

±5V

Generates the analog waveform.

Block Diaram

CLK input

(CON4)

50Ω

DGND

Counter

Buffer

CLK/16

CLK/8

CLK/4

CLK/2

S2

CLK/N

CLK

Buffer

10

Latch

10

CON

SW1

A/D CLK

10bit A/D A/D OUT

VREFBS

10

VRBS

–2.0V

REF IN REFB

VRB

VIN L VIN H

S/H

18Ω

MCLK

2.5V

AGND VIN

REX2

REX3

OFFSET ADJ

VR1

Analog input

VIN (CON1)

OP

AMP

AGND × 2

50Ω

A

REX4

S1

B

1.6kΩ

S/H OUT

2.7kΩ

1.5kΩ

Latch

10 TTL → ECL

AGND

Analog input

DIR.IN (CON2)

50Ω

AGND

S/H + A/D Evaluation Board Block Diagram

FULSCAL ADJ

VR2

CLK/N

10

AGND VEE

10bit D/A

D/A OUT

(CON3)

VEE GND VCC

(–5V)

(+5V)

– 13 –

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