CXD1176Q Просмотр технического описания (PDF) - Sony Semiconductor

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CXD1176Q

8-bit 20MSPS Video A/D Converter with Clamp Function

Sony Semiconductor 

CXD1176Q

DC characteristics

Item

Supply current

Reference pin current

Analog input capacitance

Reference resistance

(VRT to VRB)

Self-bias I

Self-bias II

Digital input voltage

Digital input current

Digital output current

(Fc = 20 MSPS, VDD = 5 V, VRB = 0.5 V, VRT = 2.5 V, Ta = 25 °C)

Conditions

Min. Typ. Max. Unit

IDD

Fc = 20 MSPS

NTSC ramp wave input

12 18 mA

IREF

4.5 6.6 8.7 mA

CIN

VIN = 1.5 V + 0.07 Vrms

11

pF

RREF

230 300 450 Ω

VRB1

VRB and VRBS are shorted

VRT1 to VRB1 VRT and VRTS are shorted

0.48 0.52 0.56

V

1.96 2.08 2.22

VRT2

VRB = AGND

VRT and VRTS are shorted

2.32

V

VIH

VDD = 4.75 to 5.25 V

VIL

Ta = –40 to +85 °C

4.0

V

1.0

IIH

VIH = VDD

VDD = max

IIL

VIL = 0V

5

µA

5

IOH

OE = VSS VOH = VDD – 0.5 V –1.1

IOL

VDD = min VOL = 0.4V

3.7

mA

IOZH

IOZL

OE = VDD

VDD = max

VOH = VDD

VOL = 0V

16

µA

16

Timing

Item

Output data delay

Tri-state output

enable time

Tri-state output

disable time

(Fc = 20 MSPS, VDD = 4.75 to 5.25 V, VRB = 0.5 V, VRT = 2.5 V, Ta = –40 to +85 °C)

Symbol

TDL

tPZH

tPZL

tPHZ

tPLZ

Conditions

Min. Typ. Max. Unit

with TTL 1 gate and 10pF load

18 30 ns

RL = 1kΩ, CL = 20 pF

OE = 3 V → 0 V

2.5

6

10 ns

RL = 1 kΩ, CL = 20 pF

OE = 0 V → 3 V

8

18 30 ns

—8—

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