TLC5970
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SBVS140 –MARCH 2010
ELECTRICAL CHARACTERISTICS (continued)
At VCC = 10 V to 36 V and TA = –40°C to +85°C. Typical values at VCC = 24 V, FB = 17 V, and TA = +25°C, unless otherwise
noted.
TLC5970
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DIFFERENTIAL INTERFACE BLOCK
Positive-going input threshold
voltage
At SDTA-SDTB or SCKA-SCKB pins. Common-mode,
VIB = 1.5 V (see Figure 4)
VITP
0.2
V
Negative-going input threshold
voltage
At SDTA-SDTB or SCKA-SCKB pins. Common-mode,
VIB = 1.5 V (see Figure 4)
VITN
–0.2
30
V
VITHYS
II
Hysteresis voltage (|VITP – VITN|)
Common-mode
50
2
110
3
mV
mA
At SDTA/SDTB/SCKA/SCKB pins. VIH = 12 V
(other inputs at 0 V), VCC = 24 V
At SDTA/SDTB/SCKA/SCKB pins. VIH = 12 V
(other inputs at 0 V), VCC = 0 V
II1
2
–1.2
–1
3
mA
mA
mA
V
Input current
At SDTA/SDTB/SCKA/SCKB pins. VIH = –7 V
(other inputs at 0 V), VCC = 24 V
II2
–3
–3
At SDTA/SDTB/SCKA/SCKB pins. VIH = –7 V
(other inputs at 0 V), VCC = 0 V
II3
At SDTY-SDTZ or SCKY-SCKZ pins.
1/2 × RLDIF = 51 Ω (see Figure 6)
VOD
ΔVOD
VOC
ΔVOC
RINT
Differential output voltage
1
1.8
3
0.2
3
Change in magnitude of differential
output voltage(5)
At SDTY-SDTZ or SCKY-SCKZ pins.
1/2 × RLDIF = 51 Ω (see Figure 6)
–0.2
1.5
–0.2
V
Steady-state common-mode output
voltage
At SDTY-SDTZ or SCKY-SCKZ pins.
1/2 × RLDIF = 51 Ω (see Figure 6)
VREG/2
V
Change in magnitude of steady-state At SDTY-SDTZ or SCKY-SCKZ pins.
0.2
V
common-mode output voltage(5)
1/2 × RLDIF = 51 Ω (see Figure 6)
Internal resistor between differential
input pair
At SDTA-SDTB or SCKA-SCKB pins.
A pins = 0 V, B pins = 1.8 V
10
±1
kΩ
At SDTY-SDTZ or SCKY-SCKZ pins. VCC = 0 V,
–7 V ≤ SDTY/SDTZ/SCKY/SCKZ ≤ 12 V, 1 pin sweep,
all other outputs are open
IO
Output current with power off
–10
20
µA
(5) ΔVOD and ΔVOC are the changes in the steady-state magnitude of VOD and VOC, respectively, that occur when the output data change
from a high level to a low level.
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