TRS3122E Datasheet, PDF (5/28 Pages) Texas Instruments – 1.8 V Low Power Dual RS-232 Transceiver

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6.3 Recommended Operating Conditions
V_CC
Charge pump power supply
V_L
RIN
DOUT
Logic power supply
RS-232 Receiver interface
RS-232 Transmitter interface
V_IL
GPIO Input logic
threshold low
DIN, FORCEOFF, FORCEON
V_IH
GPIO Input logic
threshold high
DIN, FORCEOFF, FORCEON
V_OZ
ROUT disabled
Operating temperature
TRS3122E
SLLSET7C – MAY 2016 – REVISED MAY 2016
Tripler Mode
Doubler Mode
V_L = 5.0 V
V_L = 3.3V
V_L = 1.8 V
V_L = 5.0V
V_L = 3.3V
V_L = 1.8V
FORCEOFF = 0V
MIN TYP MAX UNIT
1.65 1.8
2
3 3.3 3.6 V
4.5
5 5.5
1.65
-15
V_CC
V
15 V
-12
12 V
0
1.7
0
1.1 V
0
0.6
3.3
V_L
2.2
V_L V
1.2
V_L
0
V_L V
–40
85 °C
6.4 Thermal Characteristics
THERMAL METRIC
R_θJA
R_θJCtop
R_θJB
ψ_JT
ψ_JB
R_θJC(bot)
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
TRS3122E
RGE
34.2
27.2
11.4
0.4
11.4
3.6
UNIT
°C/W
6.5 Power and Status Electrical Characteristics
V_CC = V_L = (1.65 V to 2.0 V) & (3.0V to 5.5V), T_A = -40°C to 85°C (unless otherwise noted). Typical data is T_A = 25°C, V_CC =
V_L = 3.3V unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP MAX UNIT
Icc (Static)
Icc (off)
DIN1 = GND or V_L;
DIN2 = GND or V_L,
FORCEOFF = V_L
FORCEON = V_L
FORCEOFF = GND
No load
V_CC= 1.65V to 2.0V
V_CC= 3.0V to 3.6V
V_CC= 4.5V to 5.5V
1.0 1.9
0.7 1.4 mA
0.8 1.9
0.4
10 μA
RIN postive voltage
V_IT+
threshold for INVALID
output change
RIN1 = RIN2
RIN negative voltage
V_IT-
threshold for INVALID
output change
0.3
2.4
V
-2.4
-0.3
V_OH
INVALID high-level
output voltage
I_OH = -1 mA, FORCEON = GND, FORCEOFF = VL
V_L-0.4
V_L-0.08
V_L V
V_OL
INVALID low-level
output voltage
I_OL = 1.6 mA, FORCEON = GND, FORCEOFF = VL
0
0.06 0.4 V
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