32

4596A–RKE–05/06

ATA5745/ATA5746 [Preliminary]

3.11 Intermediate frequency

f

f

IF

440

kHz

A

f

f

IF

440

kHz

A

3.12 System bandwidth

3 dB bandwidth

This value is for

information only!

Note that for crystal and

system frequency offset

calculations,

∆f

OFFSET

must be used.

(14)

SBW

435

kHz

A

3.13

System out-band

3rd-order input intercept

point

∆f

∆f

f

(14)

IIP3

–24

dBm

C

f

(14)

IIP3

–23

dBm

C

3.14

System outband input

1-dB compression point

∆f

f

(14)

I1dBCP

–31

–36

dBm

C

f

(14)

I1dBCP

–30

–35

dBm

C

3.15 LNA input impedance

f

14

Z

in_LNA

(72.4 – j298)

Ω

C

f

14

Z

in_LNA

(55 – j216)

Ω

C

3.16

Maximum peak RF input

level, ASK and FSK

BER < 10

(14)

P

IN_max

+5

–10

dBm

C

FSK: f

(14)

P

IN_max

+5

–10

dBm

C

3.17 LO spurs at LNA_IN

f < 1 GHz

(14)

–57

dBm

C

f >1 GHz

(14)

–47

dBm

C

2

× f

LO

4

× f

LO

(14)

–90

–94

–68

dBm

C

f

2

× f

LO

4

× f

LO

(14)

–92

–88

–58

dBm

C

3.18 Image rejection

With the complete image

band

(14)

24

30

dB

A

(14)

24

30

dB

A

3.19

Useful signal to interferer

ratio

Peak level of useful signal

to peak level of interferer

for BER < 10

modulation scheme of

interferer

FSK BR_Ranges 0, 1, 2

(14)

23

dB

B

FSK BR_Range_3

(14)

46

dB

B

ASK (P

SNR

ASK

10

14

dB

B

13. Electrical Characteristics: General (Continued)

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

No. Parameters

Test Conditions

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