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Electrical characteristics: general (continued) – Rainbow Electronics ATA5746 User Manual

Page 30

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30

4596A–RKE–05/06

ATA5745/ATA5746 [Preliminary]

2.4

Active mode start-up time

From Standby mode to
Active mode
BR_Range_3
ATA5745
ATA5746

T

Startup_PLL

+

T

Startup_Sig_Proc

565
593

µs
µs

A

3

Active Mode

3.1

Supply current Active
mode

V

VS3V_AVCC

= V

VS5V

= 3V

ASK mode
CLK_OUT disabled
SENSE_CTRL = 0

10,11

I

Active

6.5

mA

A

V

VS3V_AVCC

= V

VS5V

= 3V

FSK mode
CLK_OUT disabled
SENSE_CTRL = 0

10,11

I

Active

6.7

mA

A

V

VS5V

= 5V

ASK mode
CLK_OUT disabled
SENSE_CTRL = 0

10

I

Active

6.7

mA

A

V

VS5V

= 5V

FSK mode
CLK_OUT disabled
SENSE_CTRL = 0

10

I

Active

6.9

mA

A

3.2

Supply current Polling
mode

V

VS3V_AVCC

= V

VS5V

= 3V

T

Polling_Period

= 8 ms

BR_Range_3, ASK mode,
CLK_OUT disabled
Data rate = 9.6 Kbits/s

10,11

I

Polling

545

µA

C

3.3

Input sensitivity FSK
f

RF

= 315 MHz

FSK deviation
f

DEV

= ±38 kHz

BER = 10

3

T

amb

= 25°C

Bit rate 9.6 Kbits/s BR2

(14)

P

REF_FSK

–103

–105

–106.5

dBm

B

Bit rate 2.4 Kbits/s BR0

(14)

P

REF_FSK

–106

–108

–109.5

dBm

B

FSK deviation ±18 kHz to
±50 kHz

Bit rate 9.6 Kbits/s BR2

(14)

P

REF_FSK

–101

dBm

B

Bit rate 2.4 Kbits/s BR0

(14)

P

REF_FSK

–104

dBm

B

3.4

Input sensitivity ASK
f

RF

= 315 MHz

ASK 100% level of carrier,
BER = 10

3

T

amb

= 25°C

Bit rate 9.6 Kbits/s BR2

(14)

P

REF_ASK

–109

–111

–112.5

dBm

B

Bit rate 2.4 Kbits/s BR0

(14)

P

REF_ASK

–112

–114

–115.5

dBm

B

13. Electrical Characteristics: General (Continued)

All parameters refer to GND and are valid for T

amb

= –40°C to +105°C, V

VS3V_AVCC

= V

VS5V

= 2.7V to 3.3V, and V

VS5V

= 4.5V to 5.5V.

Typical values are given at V

VS3V_AVCC

= V

VS5V

= 3V, T

amb

= 25°C, and f

RF

= 315 MHz unless otherwise specified. Details about current

consumption, timing, and digital pin properties can be found in the specific sections of the “Electrical Characteristics”.

No. Parameters

Test Conditions

Pin

(1)

Symbol

Min.

Typ.

Max.

Unit

Type*

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

Note:

1. Pin numbers in parenthesis were measured with RF_IN matched to 50

Ω according to

Figure 2-1 on page 6

with component

values as in

Table 2-2 on page 6

(RF

IN

).