SC4041EZ datasheet(3/6 Pages) SEMTECH

Part #	SC4041EZ

Description	PRECISION SHUNT VOLTAGE REFERENCE

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Manufacturer	SEMTECH [Semtech Corporation]

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652 MITCHELL ROAD NEWBURY PARK CA 91320

PRECISION SHUNT VOLTAGE

REFERENCE

SC4041

PRELIMINARY - April 13, 1998

3

ELECTRICAL CHARACTERISTICS

T

A = 25°C unless otherwise specified.

SC4041A (0.1%)

SC4041B (0.2%)

Parameter

Symbol

Condition

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

Reverse Breakdown Volt-

age

V

Z

I

Z = 100µA

T

A = 25°C

1.2238

1.2250 1.2262 1.2226 1.2250 1.2274

V

T

A = -40 to +85°C

1.2158

1.2250 1.2342 1.2146 1.2250 1.2354

V

Minimum Operating Cur-

rent

I

Z(min)

30

60

30

60

µA

Reverse Breakdown Volt-

age Temperature Coeffi-

cient

I

Z = 10mA

I

Z = 1mA

I

Z = 100µA

T

A = -40 to +85°C

±100

ppm/°C

Ratio of Change in V

Z to

Change in I

Z

I

Z(min) < IZ < 1mA

T

A = 25°C

1.5

mV

T

A = -40 to +85°C

2.0

mV

1mA < I

Z < 12mA

T

A = 25°C

6.0

mV

T

A = -40 to +85°C

8.0

mV

Reverse Dynamic

Impedance

Z

R

I

Z = 1mA, f = 120 Hz, IAC = 0.1 IZ

0.25

1.5

0.25

1.5

Ω

Wideband Noise (RMS)

e

N

I

Z = 100µA

10Hz < f < 10kHz

20

µV

Long Term Stability of Re-

verse Breakdown Voltage

t = 1000 hours

T = 25°C ± 0.1°C

I

Z = 100µA

120

ppm

T

V

Z

∆

Z

I

V

∆

Z

V

∆

T

A = 25°C unless otherwise specified.

SC4041C (0.5%)

SC4041D (1.0%)

Parameter

Symbol

Condition

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

Reverse Breakdown Volt-

age

V

Z

I

Z = 100µA

T

A = 25°C

1.219

1.225

1.231

1.213

1.225

1.237

V

T

A = -40 to +85°C

1.211

1.225

1.239

1.201

1.225

1.249

V

Minimum Operating Cur-

rent

I

Z(min)

30

60

30

60

µA

Reverse Breakdown Volt-

age Temperature Coeffi-

cient

I

Z = 10mA

I

Z = 1mA

I

Z = 100µA

T

A = -40 to +85°C

±100

±150

ppm/°C

Ratio of Change in V

Z to

Change in I

Z

I

Z(min) < IZ < 1mA

T

A = 25°C

1.5

2.0

mV

T

A = -40 to +85°C

2.0

2.5

mV

1mA < I

Z < 12mA

T

A = 25°C

6.0

8.0

mV

T

A = -40 to +85°C

8.0

10.0

mV

Reverse Dynamic

Impedance

Z

R

I

Z = 1mA, f = 120 Hz, IAC = 0.1 IZ

0.25

1.5

0.25

2.0

Ω

Wideband Noise (RMS)

e

N

I

Z = 100µA

10Hz < f < 10kHz

20

µV

Long Term Stability of Re-

verse Breakdown Voltage

t = 1000 hours

T = 25°C ± 0.1°C

I

Z = 100µA

120

ppm

T

V

Z

∆

Z

I

V

∆

Z

V

∆

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