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
< 30mA
DDL2/3
MIN
3.2
30
TYP
MAX
UNITS
V
3.3V Regulator Output
Voltage
V
0 ≤ I
3.3
3.4
DDL2/3_REG
I
V
shorted to AGND
DDL2/3
Short-Circuit Current
mA
DDL2/3_SC
1.8V REGULATOR (V
)
AA
1.8V Regulator Output
Voltage
V
0 ≤ I < 3mA
AA
1.71
10
1.8
1.89
1.65
V
mA
V
AA
I
V
V
shorted to AGND
Short-Circuit Current
AA_SC
AA
AA
V
V
1.8REG_POR
RISE
rising
1.3
1.5
50
POR Threshold
1.8REG_POR
HYS
mV
THERMAL SHUTDOWN
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
T
Temperature rising; Note 8
+145
15
°C
°C
SHDN
T
Note 8
HYS
HV CHARGE PUMP
9V ≤ V
≤ 12V, I
= 1.5mA
= 3mA
LOAD
6.5
6.5
6.9
6.9
7.4
7.4
Output Voltage (V
-
-
DCIN
LOAD
HV
V
V
HV-DCIN
V
)
12V ≤ V
14V ≤ V
≤ 65V, I
≤ 65V, I
DCIN
DCIN
DCIN
Output Voltage (V
V
= 3mA,
LOAD
HV
HV-
8.0
8.5
38
9.0
V
V
)
FLXPCKEN1/2 = 1b
V = 57.6V; Note 16
DCIN
DCIN_FLEX
TOPCELL
Eff
Charge Pump Efficiency
OSCILLATORS
%
HVCP
f
LFOSC Frequency
HFOSC Frequency
32.11
15.68
32.768
16
33.42
16.32
kHz
LFOSC
f
MHz
HFOSC
DIAGNOSTIC TEST SOURCES
CTSTDAC[3:0] = 9h, V < V
-
-
C0
DDL2/3
50
36
62.5
45
75
54
1.4V, V
= 3.3V
DDL2/3
CTSTDAC[3:0] = 6h, V < V
C0
DDL2/3
1.4V, V
= 3.3V
Cell Test Source
I
DDL2/3
µA
µA
µA
TSTCn
CTSTDAC[3:0] = 6h, V
> V
+
Current
C1-C14
AGND
-54
-75
25
-45
-36
-50
37.5
27
1.4V
CTSTDAC[3:0] = 9Fh, V
+ 1.4V
CTSTDAC[3:0] = 9h, V < V - 1.4V,
> V
AGND
C1-C14
-62.5
31.25
22.5
62.5
45
Cn
HV
V
= 53.5V
HV
HVMUX Test Source
Current
I
TSTHVMUX
CTSTDAC[3:0] = 6h, V < V - 1.4V,
Cn
HV
18
V
= 53.5V
HV
CTSTDAC[3:0] = 9h, V
< V
DDL2/3
AUXINn
AUXINn
AUXINn
AUXINn
50
75
- 1.4V, V
= 3.3V
DDL2/3
CTSTDAC[3:0] = 6h, V
– 1.4V, V = 3.3V
< V
> V
DDL2/3
36
54
AUXIN Test Source
Current
DDL2/3
I
TSTAUXIN
CTSTDAC[3:0] = 6h, V
AGND
-54
-75
-45
-36
-50
+ 1.4V
CTSTDAC[3:0] = 9h, V
> V
AGND
-62.5
+ 1.4V
DIAGNOSTIC REFERENCES
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