Electrical characteristics: general (continued) – Rainbow Electronics ATA5812 User Manual
Page 69

69
ATA5811/ATA5812 [Preliminary]
4689B–RKE–04/04
3.5
Supply current TX mode
power amplifier ON 2
PA on/5 dBm
f
RF
= 315 MHz
17, 18
I
S_TX_PAON2
10.3
mA
B
f
RF
= 433.92 MHz
17, 18
I
S_TX_PAON2
10.5
mA
B
f
RF
= 868.3 MHz
17, 18
I
S_TX_PAON2
11.2
mA
B
3.6
Output power 3
V
VS1
= V
VS2
= 3 V
T
amb
= 25°C
V
PWR_H
= AVCC
f
RF
= 315 MHz
R
R_PWR
= 30 k
Ω
R
Lopt
= 0.38 k
Ω
f
RF
= 433.92 MHz
R
R_PWR
= 27 k
Ω
R
Lopt
= 0.36 k
Ω
f
RF
= 868.3 MHz
R
R_PWR
= 20 k
Ω
R
Lopt
= 0.22 k
Ω
RF_OUT matched to
R
Lopt
//
j/(2
× π ×
f
RF
×
1.0 pF
)
(10)
P
REF3
8.5
10
11.5
dBm
B
3.7
Supply current TX mode
power amplifier ON 3
PA on/10dBm
f
RF
= 315 MHz
17, 18
I
S_TX_PAON3
15.7
mA
B
f
RF
= 433.92 MHz
17, 18
I
S_TX_PAON3
15.8
mA
B
f
RF
= 868.3 MHz
17, 18
I
S_TX_PAON3
17.3
mA
B
3.8
Output power variation for
full temperature and
supply voltage range
T
amb
= -40°C to +105°C
P
out
= P
REFX
+
∆
P
REFX
X = 1, 2 or 3
V
VS1
= V
VS2
= 3.0 V
(10)
∆
P
REF
-0.8
-1.5
dB
B
V
VS1
= V
VS2
= 2.4 V
(10)
∆
P
REF
-3.5
dB
B
V
VS1
= V
VS2
= 2.7 V
(10)
∆
P
REF
-2.5
dB
C
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.