Electrical characteristics: car application – Rainbow Electronics ATA5812 User Manual
Page 80

80
ATA5811/ATA5812 [Preliminary]
4689B–RKE–04/04
Electrical Characteristics: Car Application
All parameters refer to GND and are valid for T
amb
= -40°C to +105°C, V
VS2
= 4.75 V to 5.25 V. Typical values at V
VS2
= 5 V
and T
amb
= 25°C. Application according to Figure 5 on page 7. f
RF
= 315.0 MHz/433.92 MHz/868.3 MHz unless otherwise
specified
No.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
11
Car Application
11.1
Supported voltage
range
Car application
17,
19, 27
V
VS2
, V
AUX
4.75
5.25
V
A
11.2
Power supply output
voltage
Car application
V
VS2
= V
VAUX
I
VSOUT
≤
13.5 mA
(3.25 V regulator
mode, V_REG2, see
Figure 21 on page
26)
22
V
VSOUT
3.0
3.5
V
A
11.3
Supply voltage for
microcontroller-
interface
27
V
VSINT
2.4
5.25
V
A
11.4
Threshold hysteresis
V
Thres_2
- V
Thres_1
22
∆
V
Thres
60
80
100
mV
B
11.5
Reset threshold
voltage at pin VSOUT
(N_RESET)
22
V
Thres_1
2.18
2.3
2.42
V
A
11.6
Reset threshold
voltage at pin VSOUT
(Low_Batt)
22
V
Thres_2
2.26
2.38
2.5
V
A
11.7
Current in Idle mode
on pin VS2 and VAUX
I
VSOUT
= 0
CLK enabled
V
VSOUT
enabled
CLK disabled
V
VSOUT
enabled
V
VSOUT
disabled
17, 19
I
IDLE_VS2_VAUX
444
380
310
580
500
400
µA
µA
µA
B
B
B
11.8
Supply current in Idle
mode
17,
19,
22, 27
I
S_IDLE
I
S_IDLE
= I
IDLE_VS2_VAUX
+ I
VSINT
+ I
EXT
11.9
Current in RX mode
on pin VS2 and VAUX
I
VSOUT
= 0
17, 19
I
RX_VS2_VAUX
10.8
14.5
mA
B
11.10
Supply current in RX
mode
CLK enabled V
VSOUT
enabled
17,
19,
22, 27
I
S_RX
I
S_RX
= I
RX_VS2_VAUX
+ I
VSINT
+ I
EXT
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
VAUX
VS2
I
IDLE_VS2,VAUX
or I
RX_VS2,VAUX
Startup_PLL_VS2,VAUX
TX_VS2,VAUX
or I
or I