CA3318CE datasheet(2/12 Pages) INTERSIL

Part #	CA3318CE

Description	CMOS Video Speed, 8-Bit, Flash A/D Converter

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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2 / 12 page

4-10

Functional Block Diagram

LATCH

256

ENCODER

LOGIC

ARRAY

CLK

CAB

LATCH

COUNT

193

CAB

LATCH

COUNT

129

CAB

LATCH

COUNT

CAB

LATCH

COUNT

CAB

# 256

# 193

# 129

# 65

4 REF

2 REF

4 REF

VREF+

VIN

VAA+

VIN

VREF-

(NOTE 1)

COMPARATOR #1

LATCH

OVER-

FLOW

THREE-

STATE

DRIVERS

OUTPUT

DIGITAL

SUPPLY

VDD

φ2 φ1

φ1

φ2

φ1

BIT 8

(MSB)

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

(LSB)

CE1

CE2

DIGITAL

GND

VSS

CLOCK

PHASE

VAA-

ANALOG

GND

φ1 (AUTO BALANCE)

φ2 (SAMPLE UNKNOWN)

NOTE:

≅ 50K

2 R

= 4

Ω

= 30

Ω

= 7

Ω

R = 2

Ω

≅ 2K

ANALOG

SUPPLY

2 R

LATCH

256

COUNT

256

1. Cascaded Auto Balance (CAB).

CA3318

CA3318CE Datasheet(PDF) 2 Page - Intersil Corporation

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