LTC6802IG-2 LINER [Linear Technology], LTC6802IG-2 Datasheet - Page 3

• Manufacturer Part Number: LTC6802IG-2
• Description: Multicell Addressable 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
B
S
M
QS
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
–
+
Relative to V
–
CONDITIONS
Quantization of the ADC
(Note 2)
(Note 2)
(Note 4)
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 Through C12
When Measuring Cells
When Not Measuring Cells
Current Into the V
the ADC
Average Current Into the V
UV and OV Conditions
Current Into the V
All Serial Port Pins at Logic ‘1’
LOAD
ERR
V
LOAD
V
V
V
V
V
V
V
V
V
V
Continuous Monitoring (CDC = 2)
Monitor Every 130ms (CDC = 5)
Monitor Every 500ms (CDC = 6)
Monitor Every 2 Seconds (CDC = 7)
CELL
TEMP
TEMP
TEMP
CELL
CELL
CELL
CELL
CELL
CELL
CELL
Specifications Met
A
= 4mA
+
= 100k to V
= 25°C. V
= 0V
= 2.3V
= 2.3V
= 3.6V
= 3.6V
= 4.2V
= 4.2V
= 4.6V
< 50, No Load
= 2.3V
= 3.6V
= 4.2V
The
+
+
l
–
+
Pin When Measuring Voltages with
Pin When Idle
= 43.2V, V
denotes the specifications which apply over the full operating
+
Pin While Monitoring for
–
= 0V, unless otherwise noted.
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
–0.5
–2.8
–5.1
–4.3
–7.9
–9.2
–5.1
–7.9
–9.2
37.5
32.5
MIN
–10
3.7
1.8
1.2
4.5
4.1
–5
10
0
5
4
4.200
2.300
3.065
3.065
62.5
LTC6802-2
TYP
100
800
225
150
100
1.5
0.8
5.0
4.8
0.8
±8
60
5
3
8
8
1
4.218
2.310
3.110
3.115
MAX
5 • n
0.12
0.22
82.5
87.5
0.5
2.8
5.1
4.3
7.9
9.2
5.1
7.9
9.2
5.5
1.1
1.2
15
10
50
50
10
5
5
ppm/√kHr
ppm/°C
mV/Bit
UNITS
68022fa

ppm
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
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