User guide

76
ATA5811/ATA5812 [Preliminary]
4689B–RKE–04/04
9.3
Power supply output
voltage
1-battery application
V
VS1
= V
VS2
≥ 2.6 V
VAUX open
(1)
I
VSOUT
≤ 13.5 mA
(no voltage regulator
to stabilize V
VSOUT
)
V
VS1
= V
VS2
≥ 2.425 V
VAUX open
(1)
I
VSOUT
≤ 1.5 mA
(no voltage regulator
to stabilize V
VSOUT
)
22 V
VSOUT
2.4 V
VS1
VB
9.4
Supply voltage for
microcontroller
interface
27 V
VSINT
2.4 5.25 V A
9.5 Threshold hysteresis V
Thres_2
- V
Thres_1
22 ∆V
Thres
60 80 100 mV B
9.6
Reset threshold
voltage at pin VSOUT
(N_RESET)
22 V
Thres_1
2.18 2.3 2.42 V A
9.7
Reset threshold
voltage at pin VSOUT
(Low_Batt)
22 V
Thres_2
2.26 2.38 2.5 V A
9.8
Supply current
OFF mode
V
VS1
= V
VS2
≤ 3.6 V
V
VSINT
= 0 V
17,
18,
22, 27
I
S_OFF
2 350 nA A
9.9
Current in Idle mode
on pin VS1 and VS2
V
VS1
= V
VS2
≤ 3 V
I
VSOUT
= 0
CLK enabled
V
VSOUT
enabled
CLK disabled
V
VSOUT
enabled
V
VSOUT
disabled
17, 18 I
IDLE_VS1, 2
312
260
225
430
370
320
µA
µA
µA
A
B
B
9.10
Supply current
Idle mode
17,
18,
22, 27
I
S_IDLE
I
S_IDLE
= I
IDLE_VS1, 2
+ I
VSINT
+ I
EXT
9.11
Current in RX mode
on pin VS1and VS2
V
VS1
= V
VS2
≤ 3 V
I
VSOUT
= 0
17, 18 I
RX_VS1, 2
10.5 14 mA A
9.12
Supply current
RX mode
CLK enabled
V
VSOUT
enabled
17,
18,
22, 27
I
S_RX
I
S_RX
= I
RX_VS1, 2
+ I
VSINT
+ I
EXT
Electrical Characteristic: 1-Battery Application (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 typical values at
V
VS1
= V
VS2
= 3 V and T
amb
= 25°C. Application according to Figure 4 on page 6. 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*
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Note: 1. The voltage of VAUX may rise up to 2 V. The current I
VAUX
may not exceed 100 µA.