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
Unipolar mode; 0.2V ≤ V
MIN
TYP
MAX
UNITS
≤ 4.8V;
CELLn
-2.2
+2.2
SCANMODE = 0x0, 0x1; Note 10
(ADES1754)
Unipolar mode; 0.2V ≤ V
≤ 4.8V;
CELLn
-5
+5
mV
SCANMODE = 0x0, 0x1; Note 10
(ADES1755)
Unipolar mode; 0.2V ≤ V
≤ 4.8V;
CELLn
-10
+10
SCANMODE = 0x0, 0x1; Note 10
(ADES1756)
Bipolar mode; V
= 1.1V;
CELLn
±200
μV
SCANMODE = 0x0, 0x1; Note 10
Bipolar mode; 0 ≤ V ≤ 2.3V;
CELLn
-2.2
-5
+2.2
+5
SCANMODE = 0x0, 0x1 (ADES1754)
Bipolar mode; 0 ≤ V ≤ 2.3V;
CELLn
mV
SCANMODE = 0x0, 0x1 (ADES1755)
Bipolar mode; 0 ≤ V ≤ 2.3V;
CELLn
-10
-160
+10
+160
SCANMODE = 0x0, 0x1 (ADES1756)
9V ≤ V ≤ 64.4V; V = 64.4V;
ADC Measurement
BLK
DCIN
V
mV
mV
BLKERR
Error, V
Input
SCANMODE = 0x0, 0x1; Note 11
BLK
ADC Measurement
Error, Ratiometric
AUXIN Inputs
ADC Measurement
Error, Absolute AUXIN
Inputs
V
V
AUXREF[n] = 0b; SCANMODE = 0x0,
0x1; OVSAMPL != 0x0; Note 11
OS_AUX_RAT
IO
-3.5
+3.5
AUXREF[n] = 1b; SCANMODE = 0x0,
0x1; Note 11
-4
-5
+4
+5
mV
°C
OS_AUX_ABS
T = -40°C to +105°C; OVSAMPL[2:0] =
J
Total Measurement
Error, Die Temperature
Cell Input Referred
Noise
Auxiliary Input Referred
Noise
T
0
DIE_ERR
000b; Note 8
V
μV
OVSAMPL[2:0] = 0x3h; Note 8
250
50
CELLNOISE
RMS
V
μV
OVSAMPL[2:0] = 0x3h; Note 8
DIAGSEL[2:0] = 011b; Note 12
AUXNOISE
DNL
RMS
Differential Nonlinearity
(Any Conversion)
±1.0
LSb
bits
mV
ADC Resolution
12
-2
Level-Shifting Amplifier
Offset
V
+0.1
+2
OS_LSAMP
COMPARATOR
Input Common-Mode
Range
Input Differential Mode
Range
V
V
0
65
5
V
V
CM_COMP
DM_COMP
0
V
Comparator Accuracy
CELL
OS_COMP_C
ELL
0.2V ≤ V
0V ≤ V
≤ 4.8V
-20
-20
+20
+20
mV
mV
CELLn
V
Comparator Accuracy
AUX
OS_COMP_A
UX
≤ V
AUXn
AA
SHDNL INPUT AND CHARGE PUMP
V
V
Input Low Voltage
Input High Voltage
0.6
14
V
V
IL_SHDNL
1.8
7
IH_SHDNL
V
V
≥ 12V
10.8
8.5
DCIN
DCIN
V
Regulated Voltage
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V
SHDNLIMIT
= 9V
Analog Devices | 6