Datasheet
TSS721A
www.ti.com
................................................................................................................................................ SLAS222A –APRIL 1999–REVISED SEPTEMBER 2009
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted)
V
MB
Voltage, BUSL1 to BUSL2 ±50 V
RX and RXI –0.3 V to 5.5 V
V
I
Input voltage range
UBAT –0.3 V to 5.5 V
T
J
Operating junction temperature range –25°C to 150°C
T
A
Operating free-air temperature range –25°C to 85°C
T
STG
Storage temperature range –65°C to 150°C
Power derating factor, junction to ambient 8 mW/°C
RECOMMENDED OPERATING CONDITIONS
(1)
MIN MAX UNIT
Receiver 10.8 42
V
MB
Bus voltage, |BUSL2 – BUSL1| V
Transmitter 12 42
VB (receive mode) 9.3
V
I
Input voltage V
BAT
(2)
13 80
R
RIDD
RIDD resistor 100 kΩ
R
RIS
RIS resistor 2.5 3.8 Ω
T
A
Operating free-air temperature –25 85 °C
(1) All voltage values are measured with respect to the GND terminal unless otherwise noted.
(2) V
BAT
(max) ≤ V
STC
– 1 V
ELECTRICAL CHARACTERISTICS
(1)
over operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
ΔV
BR
Voltage drop at rectifier BR I
BUS
= 3 mA 1.5 V
Voltage drop at current
ΔV
CS1
R
RIDD
= 13 kΩ 1.8 V
source CS1
R
RIDD
= 13 kΩ 3
V
STC
= 6.5 V,
I
BUS
BUS current mA
I
MC
= 0 mA
R
RIDD
= 30 kΩ 1.5
ΔI
BUS
BUS current accuracy ΔV
BUS
= 10 V, I
MC
= 0 mA, R
RIDD
= 13 kΩ to 30 kΩ 2 %
I
CC
Supply current V
STC
= 6.5 V, I
MC
= 0 mA, V
BAT
= 3.8 V, R
RIDD
= 13 kΩ
(2)
650 µA
V
STC
= 6.5 V, I
MC
= 0 mA, V
BAT
= 3.8 V, R
RIDD
= 13 kΩ,
I
CI1
CI1 current 350 µA
V
BUS
= 6.5 V, RX/RXI = off
(2)
I
BAT
BAT current –0.5 0.5 µA
I
BAT
+ I
VDD
BAT plus VDD current V
BUS
= 0 V, V
STC
= 0 V –0.5 0.5 µA
V
VDD
VDD voltage –I
VDD
= 1 mA, V
STC
= 6.5 V 3.1 3.4 V
R
VDD
VDD resistance –I
VDD
= 2 to 8 mA, V
STC
= 4.5V 5 Ω
VS = on 5.6 6.4
V
DD
= on
V
STC
STC voltage VS = off 3.8 4.3 V
I
VDD
< I
STC_use
6.5 7.5
R
RIDD
= 30 kΩ 0.65 1.1
I
STC_use
STC current V
STC
= 5 V mA
R
RIDD
= 13 kΩ 1.85 2.4
V
RIDD
RIDD voltage R
RIDD
= 30 kΩ 1.23 1.33 V
V
VS
VS voltage V
DD
= on, I
VS
= –5 mA V
STC
– 0.4 V
STC
V
R
VS
VS resistance V
DD
= off 0.3 1 MΩ
V
VB
= V
STC
+ 0.8 V, I
PF
= –100 mA V
BAT
– 0.6 V
BAT
V
PF
PF voltage V
STC
= 6.5 V V
VB
= V
STC
+ 0.3 V, I
PF
= 1 mA 0 0.6 V
V
VB
= V
STC
+ 0.3 V, I
PF
= 5 mA 0 0.9
(1) All voltage values are measured with respect to the GND terminal, unless otherwise noted.
(2) Inputs RX/RXI and outputs TX/TXI are open, I
CC
= I
CI1
+ I
CI2
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