![](http://datasheet.mmic.net.cn/30000/LTC6801HG-TRPBF_datasheet_2358067/LTC6801HG-TRPBF_4.png)
LTC6801
4
6801fb
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C, V+ = 43.2V, V– = 0V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LTC6801 Single Ended Digital I/O Specications (SLT, SLTOK Pins)
VIH
Digital Input Voltage High
SLT Pin
l
2V
VIL
Digital Input Voltage Low
SLT Pin
l
0.5
V
VODL
Digital Output Voltage Low, Open Drain
SLT Pin, 10k to VREG
l
0.3
V
VOH
Digital Output Voltage High
SLTOK Pin, 10k to V–
l VREG– 0.3
V
VOL
Digital Output Voltage Low
SLTOK Pin, 10k to VREG
l
0.3
V
IPU-ST
Pull-Up Current
SLT Pin
l
2.5
5
10
μA
LTC6801 Differential Digital Input Specications (SIN/SIN, EIN/EIN Pins) (See Figure 1)
VIDH
Minimum Differential Input Voltage High
Differential Voltage Applied Between SIN
and SIN or EIN and EIN
l
1.7
V
VIDL
Minimum Differential Input Voltage Low
l
–1.7
V
VIL
Valid Input Voltage Low
Low Side of Differential Signal, Ref. to V–
l
0
1.2
V
VIH
Valid Input Voltage High
High Side of Differential Signal, Ref. to V–
l
2.5
6
V
VDHYS
Differential Input Hysteresis
1V
VOPEN
Open Circuit Voltage
l
2
2.5
3
V
RINCM
Input Resistance, Common Mode
l
100
150
kΩ
RINDIFF
Input Resistance, Differential
Between SIN to SIN, EIN to EIN
l
200
300
kΩ
LTC6801 Differential Digital Output Specications (SOUT/SOUT, EOUT/EOUT Pins)
VODH
Digital Output Voltage High
Output Pins Loaded With 100k to V–
l VREG – 0.4
V
VODL
Digital Output Voltage Low
Output Pins Loaded With 100k to VREG
l
0.4
V
LTC6801 Three-Level Digital Input Specications (OV0, OV1, UV0, UV1, HYST, DC, CC0 and CC1 Pins)
V3IH
Three-Level Digital Input Voltage High
l VREG – 0.3
V
V3IM
Three-Level Digital Input Voltage Mid
l VREF – 0.3
VREF + 0.3
V
V3IL
Three-Level Digital Input Voltage Low
l
0.3
V
IPU
Pull-Up Current
Pins DC, CC0, CC1, UV0 and UV1
l
0.5
1
2
μA
IPD
Pull-Down Current
Pins HYST, OV0 and OV1
l
0.5
1
2
μA
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Figure 1. Differential Input Specications
6801 F01
V – = 0V
EIN
VIDH
(VALID HIGH WHEN
EIN – EIN ≥ VIDH)
MAX, VIH
TENA
MIN, VIH
MAX, VIL
VIDL
(VALID LOW WHEN EIN – EIN ≤ VIDL)
Note 2: VCELL refers to the voltage applied across the following pin
combinations: Cn to Cn – 1 for n = 2 to 12, C1 to V–.
Note 3: Guaranteed by continuous monitoring supply current
specications, not subject to test.