BA7207AK datasheet(7/17 Pages) ROHM

Il numero della parte	BA7207AK

Spiegazioni elettronici	SECAM chroma signal processor for VHS VCRs

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Produttore elettronici	ROHM [Rohm]

Homepage	http://www.rohm.com

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Video ICs

BA7207AS / BA7207AK

•Electrical characteristics (unless otherwise noted, Ta = 25°C, VCC = 5.0V)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Measurement

circuit

IREC

39.2

56.0

72.8

mA

REC mode

Fig.1

IPB

46.9

67.0

87.1

mA

PB mode

VREG

2.38

2.53

2.68

V

Fig.1

fosc

13.8

15.625

17.4

Fig.1

CRH

1.8

——

kHz

Fig.1

CRL

—

– 1.8

kHz

Fig.1

LRH

2.2

——

kHz

Fig.1

LRL

—

– 2.2

kHz

Fig.1

VREC

mVP-P

Cyan level (cyan frequency)

Fig.1

HDR4

—

– 25

Fig.1

HDR3

—

– 25

dB

Fig.1

HDR2

—

– 25

dB

Fig.1

GRS

– 1

0

1

dB

Fig.1

fRS

– 1

0

1

dB

Fig.1

CTR1

—

– 60

—

dB

Fig.1

CTR2

—

– 60

—

dB

Fig.1

VPB

Cyan level (cyan frequency)

Fig.1

HDP3

—

– 35

dB

Fig.1

HDP2

—

– 35

dB

Fig.1

HDP1

—

– 35

dB

Fig.1

GP1

5

6

7

dB

Fig.1

fP1

– 1

0

1

dB

Fig.1

CTP1

—

– 60

—

dB

Fig.1

GP2

– 1

0

1

dB

Fig.1

– 1

0

1

dB

Fig.1

CTP2

—

– 60

—

dB

V14 = 0.3VP-P, 4.43MHz

Fig.1

CTRIN

—

– 40

– 30

dB

Fig.1

2.5

——

V

Fig.1

VL

——

1.5

V

Fig.1

fP2

VH

Pins 14, 17, 19, 21 and 30

(Pins 13,18,21,23 and 35)∗

Pins 14, 17, 19, 21 and 30

(Pins 13,18,21,23 and 35)∗

V1 = 0.5VP-P, 4.286MHz

V14 = 0.3VP-P, 5MHz / 100kHz

V8 = 0.3VP-P, 4.3MHz

V8 = 0.3VP-P, 5MHz / 100kHz

V8 = 0.3VP-P, 4.3MHz

mVP-P

V30 = 0.3VP-P, 627kHz

V18 = 25mVP-P, 1.0715MHz

V30 = 0.3VP-P, 5MHz / 100kHz

V30 = 0.3VP-P, 627kHz

V14 = 0.3VP-P, 4.43MHz

Fig.1

kHz

Delayed sync input

V1 = 170mVP-P, 4.286MHz

dB

V18 = 25mVP-P, 1.0715MHz

187.5

250.0

312.5

202.5

270.0

337.5

[Total device]

REC mode supply current

PB mode supply current

Regulator voltage

[Sync-gate block]

VCO free-running frequency

Capture range "H"

Capture range "L"

Lock range "H"

Lock range "L"

[REC system]

RECOUT output amplitude

Unwanted spectrum rejection

4MHz component

3MHz component

2MHz component

Output switch voltage gain

Output switch frequency characteristic

Output switch crosstalk 1

Output switch crosstalk 2

[PB system]

PB output amplitude

Unwanted spectrum rejection

3MHz component

2MHz component

1MHz component

Output switch voltage gain 1

Output switch frequency characteristic 1

Output switch crosstalk 1

Output switch voltage gain 2

Output switch frequency characteristic 2

Output switch crosstalk 2

RECIN crosstalk

[Control system]

High level voltage

Low level voltage

∗ BA7207AK pin numbers are given in brackets.

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