LTC6801

3

Rev. F

For more information www.analog.com

ELECTRICAL CHARACTERISTICS The

l

denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C, V+ = 43.2V, V– = 0V unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

DC Specifications

VERR

Overvoltage (OV) or Undervoltage (UV)

Detection Level Error

(Note 2)

2.106V ≤ VCELL ≤ 4.498V

2.106V ≤ VCELL ≤ 4.498V

1.531V ≤ VCELL < 2.106V

1.531V ≤ VCELL < 2.106V

VCELL = 0.766V

VCELL = 0.766V

l

l

l

–0.8

–1

–1

–1.3

–1.5

–2

0.8

1

1

1.3

1.5

2

%

%

%

%

%

%

VS

Supply Voltage, V+ Relative to V–

VERR Specifications Met

l

10

50

V

VCELL

Cell Voltage Range

Full Scale Voltage Range

5

V

VCM

Common Mode Voltage Range Measured

Relative to V–

VERR Specifications Met

Range of Inputs Cn, n = 3 to 11

Range of Input C2

Range of Input C1

l

l

l

1.8

1.2

0

5 • n

10

5

V

V

V

VTV

Temperature Input Detection Level Error

(Relative to VREF/2)

10V < V+ < 50V

l

–13

17

mV

HYS

UV/OV Detection Hysteresis Error

(Relative to Selected Value)

10V < V+ < 50V

l

–25

25

%

VREF

Reference Pin Voltage

VREF Pin Loaded With 100k to V–

l

3.043

3.038

3.058

3.058

3.073

3.078

V

V

Reference Voltage Temperature Coefficient

8

ppm/˚C

Reference Voltage Hysteresis

50

ppm

Reference Voltage Long Term Drift

60

ppm/√khr

VREG

Regulator Pin Voltage

10V < VS < 50V, No Load

LTC6801IG

LTC6801HG

10V < VS < 50V, ILOAD = 1mA

LTC6801IG

LTC6801HG

l

l

l

l

4.5

4.5

4.1

4.1

5

5

4.8

4.8

5.5

5.7

V

V

V

V

Regulator Pin Short Circuit Current Limit

l

5

9

mA

IB

Input Bias Current

In/Out of Pins C1 Thru C12

When Measuring Cells During Self Test

When Measuring Cells

When Idle

l

–10

100

1

10

µA

µA

nA

IM

Supply Current, Monitor Mode

Current Into the V+ Pin While Monitoring

for UV and OV Conditions, FENA = 10kHz

Continuous Monitoring

Continuous Monitoring

Monitor Every 130ms (Note 3)

Monitor Every 500ms (Note 3)

l

l

l

600

500

110

50

750

750

200

100

1000

1100

320

160

µA

µA

µA

µA

IQS

Supply Current, Idle

Current into the V+ Pin When Idle, FENA = 0

LTC6801IG

LTC6801HG

l

l

23

20

23

20

30

30

30

30

42

45

42

48

µA

µA

µA

µA

LTC6801 Timing Specifications

TCYCLE

Measurement Cycle Time

DC = CC1 = CC0 = VREG

l

13

15.5

19

ms

FENA

Valid EIN/EIN Frequency

l

2

40

kHz

TENA

Valid EIN/EIN Period = 1/ FENA

l

25

500

µs

DCENA

Valid EIN/EIN Duty Cycle

FENA = 40kHz

l

40

60

%