Datasheet

LTC6802-2
6
68022fa
Typical perForMance characTerisTics
TEMPERATURE (°C)
–40
C PIN BIAS CURRENT (µA)
2.70
2.65
2.60
2.55
2.50
2.35
2.40
2.45
20–20 400 80 10060
68022 G04
120
CELL INPUT = 3.6V
SUPPLY VOLTAGE (V)
0
STANDBY SUPPLY CURRENT (µA)
60
50
40
30
20
10
0
20 4010 30 50
68022 G01
60
T
A
= –40°C
T
A
= 25°C
T
A
= 85°C
Cell Input Bias Current During
Conversion
Supply Current vs Supply Voltage
Standby
Supply Current vs Supply Voltage
in CDC = 2
SUPPLY VOLTAGE (V)
0
SUPPLY CURRENT (mA)
0.90
0.85
0.80
0.75
0.70
0.65
0.60
20 4010 30 50
68022 G02
60
T
A
= 85°C
CDC = 2 (CONTINUOUS
CELL CONVERSIONS)
T
A
= –40°C
T
A
= 25°C
Internal Die Temperature
Measurement vs Ambient
Temperature
External Temperature
Measurement Total Unadjusted
Error vs Input
5
–4
4
2
0
–2
3
1
–1
–3
–5
AMBIENT TEMPERATURE (°C)
–50
DIFFERENCE BETWEEN INTERNAL DIE TEMPERATURE
MEASUREMENT AND AMBIENT TEMPERATURE (°C)
500 100
68022 G12
12525–25 75
DEVICE IN STANDBY PRIOR TO
MAKING DIE MEASUREMENTS
TO MINIMIZE SELF HEATING
V
S
= 43.2V
TEMPERATURE INPUT VOLTAGE (V)
0
TOTAL UNADJUSTED ERROR (mV)
10
–15
0
–5
5
–10
–20
2.5 4.51.5 3.5
68022 G13
5.02.0 4.01.0 3.00.5
T
A
= –40°C
T
A
= 25°C
T
A
= 85°C
T
A
= 105°C
V
REF
Load Regulation V
REF
Line Regulation
SOURCING CURRENT (µA)
0
V
REF
(V)
3.09
3.08
3.07
3.06
3.04
3.05
10 100
68022 G07
1000
T
A
= –40°C
T
A
= 25°C
T
A
= 85°C
SUPPLY VOLTAGE (V)
0
V
REF
(V)
3.074
3.072
3.070
3.068
3.066
3.064
3.062
3.060
20 4010 30 50
68022 G08
60
T
A
= 85°C
T
A
= –40°C
T
A
= 25°C
NO EXTERNAL LOAD ON V
REF
, CDC = 2
(CONTINUOUS CELL CONVERSIONS)
V
REG
Load Regulation
SUPPLY CURRENT (mA)
0
V
REG
(V)
5.4
5.2
5.0
4.8
4.6
4.4
4.0
4.2
2 41 3 5
68022 G16
106 7 8 9
T
A
= 85°C
T
A
= –40°C
T
A
= 25°C
V
REF
Output Voltage vs
Temperature
TEMPERATURE (°C)
–50
V
REF
(V)
3.070
3.068
3.064
3.060
3.066
3.062
3.058
3.056
500 100
68022 G22
12525–25 75
5 REPRESENTATIVE UNITS