33

4596A–RKE–05/06

ATA5745/ATA5746 [Preliminary]

3.20 RSSI output

Dynamic range

(14),17

D

RSSI

65

dB

A

Lower level of range

f

(14),17

–110

dBm

A

Upper level of range

f

(14),17

P

RFIN_High

–45

dBm

A

Gain

(14),17

15

mV/dB

A

Output voltage range

(14),17

350

1600

mV

A

3.21

Output resistance

RSSI pin

17

R

RSSI

810

12.5

k

Ω

C

3.22 Blocking

Sensitivity (BER = 10

reduced by 3 dB if a

continuous wave blocking

signal at ±

∆f is ∆P

Block

higher than the useful

signal level

(Bit rate = 10 Kbits/s,

FSK, f

Manchester code,

BR_Range2)

f

∆f ± 1.5 MHz

∆f ± 2 MHz

∆f ± 3 MHz

∆f ± 10 MHz

∆f ± 20 MHz

(14)

∆P

Block

57.5

63.0

67.5

72.0

74.0

dBC

C

∆f ± 1.5 MHz

∆f ± 2 MHz

∆f ± 3 MHz

∆f ± 10 MHz

∆f ± 20 MHz

(14)

∆P

Block

56.5

62.0

66.5

71.0

73.0

dBC

C

3.23 CDEM

Capacitor connected to

pin 23 (CDEM)

23

–5%

15

+5%

nF

D

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