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THVD1500 Datasheet, PDF (6/29 Pages) Texas Instruments – 300 kbps RS-485 Transceivers With 8-kV IEC ESD Protection
◁
THVD1500
SLLSEY4 – JULY 2017
www.ti.com
6.6 Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
Driver
|VOD|
Driver differential output
voltage magnitude
Δ|VOD|
Change in differential
output voltage
RL = 60 Ω, -7 V ≤ Vtest ≤ 12 (See Figure 8)
RL = 100 Ω (See Figure 9)
RL = 54 Ω (See Figure 9)
RL = 54 Ω or 100 Ω (See Figure 9)
VOC
Common-mode output
voltage
RL = 54 Ω or 100 Ω (See Figure 9)
ΔVOC(SS)
Steady-state common-
mode output voltage
RL = 54 Ω or 100 Ω (See Figure 9)
VOC(PP)
Peak-to-peak common-
mode output voltage
RL = 54 Ω or 100 Ω (See Figure 9)
IOS
Short-circuit output current DE = VCC, -7 V ≤ VO ≤ 12 V, or A pin shorted to B pin
Receiver
II1
Bus input current
RA, RB
VTH+
Bus input impedance
Positive-going input
threshold voltage
DE = 0 V,
VCC = 0 V or 5.5 V
VA = -7 V, VB = 12 V and
VA = 12 V, VB = -7 V (See Figure 14)
VI = 12 V
VI = -7 V
VTH-
Negative-going input
threshold voltage
VHYS
Input hysteresis
VOH
Output high voltage
IOH = -8 mA
VOL
IOZ
IOSR
Logic
IIN
Supply
Output low voltage
Output high-impedance
current
Output short-circuit current
IOL = 8 mA
VO = 0 V or VCC, RE = VCC
RE = 0, DE = 0, See Figure 13
Input current
(D, DE, RE)
4.5 V ≤ VCC ≤ 5.5 V
Driver and receiver enabled
Driver enabled, receiver disabled
ICC
Supply current (quiescent)
Driver disabled, receiver enabled
Driver and receiver disabled
RE = 0 V, DE = VCC, No
load
RE = VCC, DE = VCC,
No load
RE = 0 V, DE = 0 V, No
load
RE = VCC, DE = 0 V, D
= open, No load
(1) Under any specific conditions, VIT+ is assured to be at least VHYS higher than VIT–.
MIN
1.5
2
1.5
–50
1
–50
–100
-97
96
See (1)
–200
20
4
-1
–5
TYP MAX UNIT
2
2.5
2
VCC/2
450
V
V
V
50 mV
3V
50 mV
mV
100 mA
75
100 µA
-70
µA
kΩ
–70
–50 mV
–150 See(1) mV
50
VCC -
0.3
0.2
mV
V
0.4 V
1 µA
95 mA
0
5 µA
440
660 µA
295
420 µA
275
400 µA
0.1
1 µA
6
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