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componentes Descripción

Fabricante

CXD1178Q

8-bit 40MSPS RGB 3-channel D/A Converter

Sony Semiconductor 

CXD1178Q

(fCLK=40 MHz, AVDD=DVDD=5 V, ROUT=200 Ω, VREF=2.0 V, Ta=25 °C)

Item

Symbol Measurement conditions

Resolution

n

Conversion speed

AVDD=DVDD=4.75 to 5.25 V

fCLK

Ta=–40 to 85 °C

Integral non-linearity error EL

Differential non-linearity error ED

Endpoint

Output full-scale voltage

VFS

Output full-scale ratio ∗1

FSR

Output full-scale current

IFS

Output offset voltage

VOS When “00000000” data input

Glitch energy

GE

ROUT=75 Ω

Crosstalk

CT

When 1 MHz sine wave input

Supply current

IDD

14.3MHz color bar CE= “L”

ISTB data input

CE= “H”

Analog input resistance

RIN

VREF

Input capacitance

CI

Digital input voltage

VIH

AVDD=DVDD=4.75 to 5.25 V

VIL

Ta=–20 to 75 °C

Digital input current

IIH

AVDD=DVDD=4.75 to 5.25 V

IIL

Ta=–20 to 75 °C

Setup time

ts

ROUT=75 Ω

Hold time

th

ROUT=75 Ω

Propagation delay time

CE enable time ∗2

CE disable time ∗2

tPD

tE

CE= H→L

tD

CE= L→H

Min.

0.5

–2.5

–0.3

1.8

0

1

2.4

–5

5

10

Typ.

8

2.0

1.5

10

30

57

42

1

10

1.8

1.8

Max. Unit

bit

40 MSPS

2.5 LSB

0.3 LSB

2.2

V

3.0

%

15

mA

1

mV

pV•s

dB

48

mA

2

MΩ

9

pF

V

0.8

5

µA

ns

ns

ns

4

ms

4

ms

∗1 Full-scale output ratio =

Full-scale voltage of channel

–1 × 100 (%)

Average of the full-scale voltage of the channels

∗2 When the external capacitor for the VG pin is 0.1 µF.

—6—

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