Ω, SWR = 5V, CAGCREC = 470pF, RRCY = 2.2kΩ,

RRCC = 8.2k

Ω, Load 10µH//1kΩ for each simulated head) (continued)

Symbol

Parameter

Test Conditions

Min.

Typ. Max.

Unit

SWITCHING LEVELS (continued)

VSWRCL

SWRC Input Threshold

Selects playback mode, 5 to 0V

3.1

3.3

3.8

V

ISWRCH

SWRC Input Leakage Current

5V at SWRC input

2

5

8

mA

ISWRCL

SWRC Input Leakage Current

0V at SWRC input

-20

0

20

µA

Delay

Signal appears on PBOUT

3

ms

t1

Delay from playback to record :

Signal disappears on Pin PBOUT

22nF between Hi/Vi

1

µs

t2

Delay from record to playback :

Signal appears on Pin PBOUT

22nF between Hi/Vi

5

ms

t3

Delay from playback to record :

25

µs

t4

Delay from record to playback :

7

µs

VCSYH

CSYN Input Threshold

Sampling on (I = -25

µA)

2.2

2.5

2.8

V

VCSYL

CSYN Input Threshold

Sampling off (I = 25

µA)

2.2

2.5

2.8

V

ICSYH

Leakage Current

Sampling on

-10

µA

ICSYL

Leakage Current

Sampling off

10

µA

1

I

OUT

7

Ω

50k

Ω

Figure 1

2

V1

V

CC

V

CC

2.7k

Ω

Figure 2

INTERNAL SCHEMATICS

3

V2

V

CC

V

CC

Figure 3

C1/C2

Pins 4/8

V

CC

1k

Ω

Figure 4

STV5742

4/7