14-Channel, High-Voltage Data-
Acquisition Systems
ADES1754/ADES1755/ADES1756
(V
= +56V, T = T
to T
unless otherwise noted, where T
= -40°C and T
= +105°C. Typical values are at T = +25°C.
MAX A
DCIN
A
MIN
MAX
MIN
Operation is with the recommend application circuit. (Note 5))
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DIAGSEL[2:0] = 001b; Note 12
0.99
1.00
1.01
V
ALTREF Voltage
V
ALTREF
DIAGSEL[2:0] = 001b; 5°C < temp <
+65°C; Note 12
0.995
1.00
1.005
ALTREF Temperature
Coefficient
A
Note 8
±25
ppm/°C
ALTREF
(ΔV
/ΔT)
ALTREF
V
T = +120°C; Note 8
PTAT Output Voltage
PTAT Temperature
1.14
2.87
V
PTAT
J
A
Note 8
Note 8
mV/°C
V_PTAT
Coefficient (ΔV
ΔT)
PTAT
PTAT Temperature
Offset
T
-4.4
°C
OS_PTAT
ALERTS
V
V
V
= 1.8V
ALRTVDDL1 Threshold
1.62
2.9
1.65
3.0
1.68
3.1
V
V
VDDL1_OC
AA
ALRTVDDL2/3
Threshold
V
= 3.3V
VDDL2/3_OC
DDL2/3
V
ALRTGNDLn Threshold
ALRTHVUV Threshold
ALRTHVOV Threshold
AGND = 0V
0.05
1.8
0.15
2
0.3
2.2
9.9
V
V
V
GNDL_OC
V
V
V
- V
- V
falling, FLXPCKEN1/2 = 0
rising
HVUV
HV
HV
DCIN
DCIN
V
9.0
9.5
HVOV
ALRTHVHDRM
Threshold
V
ALRTHVHDRM = 0
Note 8
3.0
V
HVHDRM
T
ALRTTEMP Threshold
115
120
2
125
0.4
°C
°C
ALRTTEMP
T
ALRTTEMPHY
S
ALRTTEMP Hysteresis
Note 8
UART OUTPUTS (TXLP, TXLN, TXUP, TXUN)
V
I = 20mA
SINK
Output Low Voltage
V
V
OL
V
-
-
Output High Voltage
(TXLP, TXLN)
DDL2
0.4
V
I
= 20mA
= 20mA
OH
OH
SOURCE
SOURCE
V
Output High Voltage
(TXUP, TXUN)
DDL3
0.4
V
I
V
I
V
= 1.5V
TX
Leakage Current
-1
+1
µA
LKG_TX
UART INPUTS (RXLP, RXLN, RXUP, RXUN)
V
Input Voltage Range
-25
+25
V
V
RX
CH
V
/2 -
AA
V
/2 +
AA
Receiver High
V
V
/2
Note 17
AA
Comparator Threshold
Receiver Zero-Crossing
Comparator Threshold
Receiver Low
Comparator Threshold
Receiver Comparator
Hysteresis
0.4
0.4
V
Note 17
Note 17
Note 17
Note 17
-0.4
0
+0.4
V
V
ZC
CL
-V /2 -
AA
-V /2 +
AA
V
-V /2
AA
0.4
0.4
V
I
75
mV
HYS_RX
Receiver Common-
Mode Voltage Bias
V
V
/2
AA
V
CM
V
= 0.9V
RX
Leakage Current
±1.0
4
µA
pF
LKG_RX
Input Capacitance
(RXLP, RXLN)
C
RXL
Input Capacitance
(RXUP, RXUN)
C
4
pF
RXU
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