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Electrical characteristics: car application – Rainbow Electronics ATA5812 User Manual

Page 80

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80

ATA5811/ATA5812 [Preliminary]

4689B–RKE–04/04

Electrical Characteristics: Car Application

All parameters refer to GND and are valid for T

amb

= -40°C to +105°C, V

VS2

= 4.75 V to 5.25 V. Typical values at V

VS2

= 5 V

and T

amb

= 25°C. Application according to Figure 5 on page 7. f

RF

= 315.0 MHz/433.92 MHz/868.3 MHz unless otherwise

specified

No.

Parameters

Test Conditions

Pin

Symbol

Min.

Typ.

Max.

Unit

Type*

11

Car Application

11.1

Supported voltage
range

Car application

17,

19, 27

V

VS2

, V

AUX

4.75

5.25

V

A

11.2

Power supply output
voltage

Car application

V

VS2

= V

VAUX

I

VSOUT

13.5 mA

(3.25 V regulator
mode, V_REG2, see
Figure 21 on page
26)

22

V

VSOUT

3.0

3.5

V

A

11.3

Supply voltage for
microcontroller-

interface

27

V

VSINT

2.4

5.25

V

A

11.4

Threshold hysteresis

V

Thres_2

- V

Thres_1

22

V

Thres

60

80

100

mV

B

11.5

Reset threshold
voltage at pin VSOUT
(N_RESET)

22

V

Thres_1

2.18

2.3

2.42

V

A

11.6

Reset threshold
voltage at pin VSOUT
(Low_Batt)

22

V

Thres_2

2.26

2.38

2.5

V

A

11.7

Current in Idle mode
on pin VS2 and VAUX

I

VSOUT

= 0

CLK enabled

V

VSOUT

enabled

CLK disabled

V

VSOUT

enabled

V

VSOUT

disabled

17, 19

I

IDLE_VS2_VAUX

444

380

310

580

500

400

µA

µA

µA

B

B

B

11.8

Supply current in Idle
mode

17,
19,

22, 27

I

S_IDLE

I

S_IDLE

= I

IDLE_VS2_VAUX

+ I

VSINT

+ I

EXT

11.9

Current in RX mode
on pin VS2 and VAUX

I

VSOUT

= 0

17, 19

I

RX_VS2_VAUX

10.8

14.5

mA

B

11.10

Supply current in RX
mode

CLK enabled V

VSOUT

enabled

17,
19,

22, 27

I

S_RX

I

S_RX

= I

RX_VS2_VAUX

+ I

VSINT

+ I

EXT

*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter

VAUX

VS2

I

IDLE_VS2,VAUX

or I

RX_VS2,VAUX

Startup_PLL_VS2,VAUX

TX_VS2,VAUX

or I
or I