LTC6802-1_1 LINER [Linear Technology], LTC6802-1_1 Datasheet - Page 3

• Manufacturer Part Number: LTC6802-1_1
• Description: Multicell Battery Stack Monitor
• Manufacturer: LINER [Linear Technology]

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL PARAMETER
DC Specifications
V
V
V
V
V
V
V
I
I
I
I
I
B
S
M
QS
CS
ACC
ERR
CELL
CM
REF
REG
S
Measurement Resolution
ADC Offset Voltage
ADC Gain Error
Total Measurement Error
Cell Voltage Range
Common Mode Voltage Range Measured
Relative to V
Overvoltage (OV) Detection Level
Undervoltage (UV) Detection Level
Die Temperature Measurement Error
Reference Pin Voltage
Reference Voltage Temperature Coefficient
Reference Voltage Thermal Hysteresis
Reference Voltage Long Term Drift
Regulator Pin Voltage
Regulator Pin Short Circuit Current Limit
Supply Voltage, V
Input Bias Current
Supply Current, Active
Supply Current, Monitor Mode
Supply Current, Idle
Supply Current, Serial I/O
–
+
Relative to V
–
CONDITIONS
Quantization of the ADC
(Note 2)
(Note 2)
(Note 4)
V
V
V
V
V
V
V
V
V
V
V
Full Scale Voltage Range
Range of Inputs CN for <0.25% Gain Error, N = 3 to 11
Range of Input C3 for <1% Gain Error
Range of Input C2 for <0.25% Gain Error
Range of Input C1 for <0.25% Gain Error
Programmed for 4.2V
Programmed for 2.3V
Error in Measurement at 125°C
R
25°C to 85°C and 25°C to –40°C
10 < V
I
V
Timing Specifications Met
In/Out of Pins C1 Thru C12
When Measuring Cells
When Not Measuring Cells
Current Into the V
with the ADC
Average Current Into the V
for UV and OV Conditions
Continuous Monitoring (CDC = 2)
Monitor Every 130ms (CDC = 5)
Monitor Every 500ms (CDC = 6)
Monitor Every 2s (CDC = 7)
Current into the V
All Serial Port Pins at Logic ‘1’
All Serial Port Pins at Logic ‘0’ V
Current is Added to I
LOAD
TEMP
TEMP
TEMP
CELL
CELL
CELL
CELL
CELL
CELL
CELL
CELL
LOAD
ERR
A
Specifications Met
= 25°C. V
= 4mA
= 0V
= 2.3V
= 2.3V
= 3.6V
= 3.6V
= 4.2V
= 4.2V
= 4.6V
+
= 2.3V
= 3.6V
= 4.2V
= 100k to V
< 50, No Load
The
l
+
+
+
–
denotes the specifications which apply over the full operating
= 43.2V, V
Pin When Idle
Pin when Measuring Voltages
S
or I
QS
+
Pin While Monitoring
–
= 0V, unless otherwise noted.
MODE
= 0, This
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
–0.12
–0.22
4.182
2.290
3.020
3.015
MIN
–0.5
–2.8
–5.1
–4.3
–7.9
–9.2
–5.1
–7.9
–9.2
–10
3.7
1.8
1.2
4.5
4.1
–5
10
35
30
0
5
4
3
4.200
2.300
3.065
3.065
LTC6802-1
TYP
100
800
225
150
100
1.5
0.8
5.0
4.8
0.8
±8
60
60
5
3
8
8
1
4.218
2.310
3.110
3.115
MAX
5 • N
0.12
0.22
0.5
2.8
5.1
4.3
7.9
9.2
5.1
7.9
9.2
5.5
1.1
1.2
4.5
15
10
50
50
10
80
85
5
5
ppm/√khr
ppm/°C
mV/Bit
UNITS
68021fa
3
ppm
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
mA
μA
nA
μA
μA
μA
μA
μA
μA
°C
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V