SL6649-1

2

ELECTRICAL CHARACTERISTICS

These characteristics are guaranteed over the following conditions (unless otherwise stated).

T

amb

= 25

°C, V

CC

1 = 2.5V, V

CC

2 = 3.5V

Value

Characteristic

Pin

Min

Typ

Max

Units

Conditions

Supply Voltage V

CC

125

V

R

1.3

2.8

V

V

CC

1

≤ (V

CC

2)-0.7

Supply Voltage V

CC

2

6,16

1.8

2.3

3.5

V

Supply Current l

CC

1

17, 25,

1.6

2.0

mA

26, 27

(I

RF

) Included

Supply Current I

CC

2

6,16

0.65

0.80

mA

Power Down l

CC

1

17, 21, 25,

5

12

µA

Batt Econ Low

26, 27

Power Down l

CC

2

6,16

3

12

µA

Batt Econ Low

Bandgap Reference

5

1.15

1.22

1.35

V

Voltage Reference

4

0.93

1.0

1.13

V

RF Amplifier

Supply Current (I

RF

)

17

430

535

640

µA

Power Down

17

µA

Included in Power Down I

CC

1

Mixers

Gain to “IF Test”

32

38

dB

L.O. inputs driven in parallel

with 50mV RMS @ 50MHz.

IF = 2kHz

Oscillator

Current Source

21

215

270

330

µA

Power Down

21

µA

Included in Power Down l

CC

1

Decoder

Sensitivity

40

µVrms

Signal injected at “IF TEST”

B.E.R.

≤1 in 30

5kHz deviation @ 500 bits/sec

BRF capacitor = 1nF

Output Mark Space Ratio

8

7:9

9:7

Output Logic High

8

85

%V

CC

2

Output Logic Low

15

%V

CC

2

Battery Economy

Input Logic High

2

(V

CC

2)-0.3

V

Powered Up

Input Logic Low

2

0.3

V

Powered Down

Input Current

0.05

1

µA

Battery Flag

Output High Level

14

85

%V

CC

2

Battery Low R

L

> 1M

Ω

Output Low Level

14

15

%V

CC

2

Battery High R

L

> 1 M

Ω

Flag trig Level

13

V

R

-25mV

V

R

+25mV

V

Voltage Reference (V

R

) pin 4

Colpitts Oscillator

Frequency

15

kHz

R=90K, pin 3 to GND

15

kHz

R=360K, pin 3 to GND