TDA7502

Electrical specifications

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Table 7.

Oscillator characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Max oscillator frequency (XTI)

8

12.5

MHz

Table 8.

General interface electrical characteristics

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Low level input current without

pullup device

(1)

1

μA

High level input current without

pullup device

(1)

1

μA

Tri-state output leakage without

pull up/down device

(1)

1

μA

5V tolerant tri-state output

leakage without pull up/down

device

(1)

1

μA

1

3

μA

I/O latch-up current

200

mA

Electrostatic protection

Leakage , 1

1500

V

1.

The leakage currents are generally very small, <1nA. The value given here, 1mA, ia amaximum that can occur after an

electrostatic stress on the pin.

2.

Human body model.

Table 9.

Low voltage TTL interface DC electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Low level input voltage

(1)

0.8

V

High level input voltage

(1)

2V

Low level threshold input falling

(1)

0.9

1.35

V

Low level threshold input falling

(1)

1.3

1.9

V

Schmitt trigger hysteresis

(1)

0.4

0.7

V

Low level output voltage

(1) (2) (3)

0.4

V

High level output voltage

2.4

V

1.

TTL specifications only apply to the supply voltage range Vdd = 3.0V to 3.6V.

2.

Takes into account 200mV voltage drop in both supply lines.

3.

X is the source/sink current under worst case conditions and is reflected in the name of the I/O cell according to the drive

capability.

Table 10.

DSP core

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Maximum DSP clock frequency

50

MHz