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LTC6102IDD-1

Precision Zero Drift Current Sense Amplifier

Linear Technology 

LTC6102

LTC6102-1/LTC6102HV

electrical characteristics (LTC6102, LTC6102-1) The l denotes the specifications which apply over

the full operating temperature range, otherwise specifications

details), V+ = 12V, V– = 0V, VEN = 2.2V unless otherwise noted.

are

at

TA

=

25°C.

RIN

=

10Ω,

ROUT

=

10k,

VSENSE+

=

V+

(see

Figure

1

for

SYMBOL

V+

PARAMETER

Supply Voltage Range

CONDITIONS

MIN TYP MAX UNITS

4

60

V

VOS

Input Offset Voltage

(Note 3)

VSENSE

6V ≤

= 100µV

V+ ≤ 60V

V+ = 4V

3

10

µV

5

25

µV

Input Offset Voltage

(Note 4)

VSENSE

6V ≤

= 100µV

V+ ≤ 60V

V+ = 4V

3

35

µV

5

50

µV

ΔVOS/ΔT Input Offset Voltage Drift

VSENSE = 100µV

(Note 3)

LTC6102C, LTC6102I, LTC6102C-1, LTC6102I-1

l

LTC6102H, LTC6102H-1

l

25

50

nV/°C

25

75

nV/°C

IB

PSRR

Input Bias Current (Note 5)

Power Supply Rejection Ratio

RIN = 40k, VSENSE = 2mV

LTC6102C, LTC6102I, LTC6102C-1, LTC6102I-1

LTC6102H, LTC6102H-1

VSENSE = 100µV, V+ = 6V to 60V

VSENSE = 100µV, V+ = 4V to 60V

60

pA

l

3

nA

l

20

nA

130

150

dB

l 125

dB

120

140

dB

l 115

dB

VSENSE(MAX)

Input Sense Voltage Full Scale

(V+ – VIN+)

Er6roVr≤<1V%+ ≤, R6I0NV= 10k, ROUT = 10k

V+ = 4V

l

2

l 0.8

V

V

VOUT

Maximum Output Voltage

(LTC6102)

VS1E2NVSE≤=V2+m≤V6, 0RVOUT = 100k

l

8

V

V+ = 6V

l

3

V

V+ = 4V

l

1

V

Maximum Output Voltage

(LTC6102-1)

VSVE+NS=E6=0V2mV, ROUT = 100k

V+ = 12V

V+ = 4V

l 14

V

l 11.7

V

l 3.8

V

IOUT

Maximum Output Current

6V

V+

≤

=

V+

4V,

≤ 60V, RIN = 1k, ROUT = 1k, VSENSE = 1.1V

RIN = 10Ω, ROUT = 1k, VSENSE = 11mV

l

1

l 0.5

mA

mA

tr

Input Step Response (to 2.5V on ΔVSENSE = 100mV Transient, 6V ≤ V+ ≤ 60V, RIN = 100Ω,

a 5V Output Step)

ROUT = 4.99k, IOUT = 100µA

V+ = 4V

1

µs

1.5

µs

BW

Signal Bandwidth

eN

Input Noise Voltage

IS

Supply Current

IOUT = 200µA, RIN = 100Ω, ROUT = 4.99k

IOUT = 1mA, RIN = 100Ω, ROUT = 4.99k

0.1Hz to 10Hz

V+ = 4V, IOUT = 0, RIN = 10k, ROUT = 100k

l

V+ = 6V, IOUT = 0, RIN = 10k, ROUT = 100k

l

V+ = 12V, IOUT = 0, RIN = 10k, ROUT = 100k

l

V+ = 60V, IOUT = 0, RIN = 10k, ROUT = 100k

LTC6102C, LTC6102I, LTC6102C-1, LTC6102I-1

l

140

kHz

200

kHz

2

µVP-P

275

400

µA

475

µA

290

425

µA

500

µA

300

450

µA

525

µA

420

575

µA

650

µA

LTC6102H, LTC6102H-1

IDIS

Supply Current in Disable Mode

(LTC6102-1 Only)

VEN

VEN

=

=

0.8V,

0.8V,

V+

V+

=

=

12V

60V

VENL

Enable Input Voltage Low

(LTC6102-1 Only)

l

675

µA

l

1

µA

l

18

µA

l

0.8

V

6102fe

4

For more information www.linear.com/LTC6102

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