User guide

68
ATA5811/ATA5812 [Preliminary]
4689B–RKE–04/04
3.2 Output power 1
V
VS1
= V
VS2
= 3 V
T
amb
= 25°C
V
PWR_H
= 0 V
f
RF
= 315 MHz
R
R_PWR
= 56 kΩ
R
Lopt
= 2.5 kΩ
f
RF
= 433.92 MHz
R
R_PWR
= 56 kΩ
R
Lopt
= 2.3 kΩ
f
RF
= 868.3 MHz
R
R_PWR
= 30 kΩ
R
Lopt
= 1.3 kΩ
RF_OUT matched to
R
Lopt
//
j/(2 × π × f
RF
× 1.0 pF)
(10) P
REF1
-2.5 0 +2.5 dBm B
3.3
Supply current TX mode
power amplifier ON 1
PA on/0 dBm
f
RF
= 315 MHz
17, 18 I
S_TX_PAON1
8.5
mA B
f
RF
= 433.92 MHz 17, 18 I
S_TX_PAON1
8.6 mA B
f
RF
= 868.3 MHz 17, 18 I
S_TX_PAON1
9.6 mA B
3.4 Output power 2
V
VS1
= V
VS2
= 3 V
T
amb
= 25°C
V
PWR_H
= 0 V
f
RF
= 315 MHz
R
R_PWR
= 30 kΩ
R
Lopt
= 1.0 kΩ
f
RF
= 433.92 MHz
R
R_PWR
= 27 kΩ
R
Lopt
= 1.1 kΩ
f
RF
= 868.3 MHz
R
R_PWR
= 16 kΩ
R
Lopt
= 0.5 kΩ
RF_OUT matched to
R
Lopt
//
j/(2 × π × f
RF
× 1.0 pF)
(10) P
REF2
3.5 5.0 6.5 dBm B
Electrical Characteristics: General (Continued)
All parameters refer to GND and are valid for T
amb
= -40°C to +105°C, V
VS1
= V
VS2
= 2.4 V to 3.6 V (1-battery application),
V
VS2
= 4.4 V to 6.6 V (2-battery application) and V
VS2
= V
VAUX
= 4.75 V to 5.25 V (car application). Typical values are given
at V
VS1
= V
VS2
= 3 V and T
amb
= 25°C, f
RF
= 433.92 MHz (1-battery application) unless otherwise specified. Details about cur-
rent 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 brackets mean they were measured with RF_IN matched to 50 Ω according to Figure 7 on page 10 with
component values according to Table 2 on page 10 and RF_OUT matched to 50 Ω according to Figure 16 on page 19 with
component values according to Table 7 on page 19.