ATA5811 ATMEL Corporation, ATA5811 Datasheet - Page 65

• Manufacturer Part Number: ATA5811
• Description: Ata5811 Uhf Ask/fsk Transceiver
• Manufacturer: ATMEL Corporation

14. Electrical Characteristics: General (Continued)
All parameters refer to GND and are valid for T
6.6V (2-battery application) and V
T
pin properties can be found in the specific sections of the “Electrical Characteristics”.
4689F–RKE–08/06
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note:
amb
No. Parameters
2.4
2.5
2.6
2.7
2.8
= 25°C, f
Input sensitivity ASK
f
Sensitivity change at
f
f
compared to
f
Maximum frequency
offset in FSK mode
Sensitivity change versus
temperature, supply
voltage and frequency
offset
Supported FSK
frequency deviation
RF
RF
RF
RF
1. Pin numbers in brackets mean they were measured with RF_IN matched to 50
= 433.92 MHz
= 315.0 MHz
= 868.3 MHz
= 433.92 MHz
component values according to
with component values according to
RF
= 433.92 MHz (1-battery application) unless otherwise specified. Details about current consumption, timing and digital
VS2
Test Conditions
ASK 100%, level of
carrier limits according
to
58, BER = 10
T
Bit rate 10 Kbit/s
Bit rate 2.4 Kbit/s
f
to f
f
f
P = P
P = P
Maximum frequency
difference of f
between receiver and
transmitter in FSK
mode (f
frequency of the FSK
signal with
f
FSK f
ASK 100%
P = P
P = P
With up to 2 dB
loss of sensitivity.
Note that the tolerable
frequency offset is for
f
lower than for
f
RF
RF
RF
DEV
DEV
DEV
amb
P
P
f
f
P
P
f
OFFSET
OFFSET
OFFSET
Table 11-3 on page
= V
REF2
REF2
REF2
REF2
= 433.92 MHz
RF
= 433.92 MHz to
= 868.00 MHz
= ±16 kHz)
= ±22 kHz, 6 kHz
= ±16 kHz hence
= 25°C
REF_ASK
REF_FSK
REF_ASK
REF_FSK
= 315.00 MHz
DEV
VAUX
RF
= 16 kHz
58 kHz
58 kHz
is the center
Table 5-2 on page 10
= 4.75V to 5.25V (car application). Typical values are given at V
±52 kHz
amb
+ P
+ P
+ P
+ P
-3
RF
Table 5-7 on page
= –40°C to +105°C, V
REF1
REF1
REF1
REF1
+
+
+
+
Pin
(4)
(4)
(4)
(4)
(4)
(4)
(1)
and RF_OUT matched to 50
20.
P
P
Symbol
VS1
REF_ASK
REF_ASK
f
P
OFFSET
P
f
DEV
REF1
REF2
= V
VS2
= 2.4V to 3.6V (1-battery application), V
–110.5
–114.5
Min.
+4.5
–58
±14
according to
ATA5811/ATA5812
–112.5
–116.5
according to
Typ.
–1.0
+2.7
±16
Figure 5-1 on page 10
VS1
–114.0
–118.0
Max.
Figure 5-10 on page 19
–1.5
+58
±22
= V
VS2
= 3V and
dBm
dBm
Unit
kHz
kHz
dB
VS2
= 4.4V to
Type*
with
B
B
B
B
B
B
65