Record Mode (continued)

Ω, SWR = 5V, CCOM = 470nF, CCOM1 = 470nF, RRCY = 2.2kΩ,

RRCC = 8.2k

Ω, RFMIN = 1.5kΩ, SWFMH = 5V, SWM = 0V (SP Mode).

Load 10

µH//1kΩ for each simulated head.

Damping network of 1nF/620

Ω connected between each record output and Ground.

Symbol

Parameter

Test Conditions

Min.

Typ. Max.

Unit

SWITCHING LEVELS (Video)

VSWIN1

SWIN Input Threshold

Selects head H2SP

0

0.4

V

VSWIN2

SWIN Input Threshold

Selects head H1SP

1

2.2

V

VSWIN3

SWIN Input Threshold

Selects head H1LP

2.8

4

V

VSWIN4

SWIN Input Threshold

Selects head H2LP

4.6

5

V

ISWIN1

VSWIN = 0V

Input current

-1

-0.5

-0.1

µA

ISWIN2

VSWIN = 1.5V

Input current

0.1

0.4

2

µA

ISWIN3

VSWIN = 3.5V

Input current

0.1

0.4

2

µA

ISWIN4

VSWIN = 5V

Input current

0.1

0.5

2

µA

VSWRH

SWR Input Threshold

Selects record mode

3.5

5

V

VSWRL

SWR Input Threshold

Selects playback mode

0

1.5

V

ISWRH

VSWR = 5V

Input current

0

0.1

5

µA

ISWRL

VSWR = 0V

Input current

-10

-5

-0.5

µA

Switching Delay

Signal appears on CPB

500

ns

T1

Delay from Playback to Record :

Signal Disappears on Pin CPB

1

µs

T2

Delay from Record to Playback :

Signal Appears on Pin CPB

800

µs

T3

Delay from Playback to Record :

20

µs

T4

Delay from Record to Playback :

1

µs

SWITCHING LEVELS (Video)

VFMH

SWFMH Input Threshold

3.5

5

V

VFML

SWFMH Input Threshold

0

1.5

V

Switching Delay

Signal appears on FMPB

500

ns

T1FM

Delay from Playback to Record :

Signal Disappears on Pin FMPB

05

µs

T2FM

Delay from Record to Playback :

Signal Appears on Pin FMPB

400

µs

T3FM

Delay from Playback to Record :

20

µs

T4FM

Delay from Record to Playback :

1

µs

ISWFMHH

VSWFMR = 5V

Input current

0

0.1

5

µA

ISWFM HL

VSWFMH = 0V

Input current

-10

-5

-0.5

µA

STV5728

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