SC4040 Semtech Corporation, SC4040 Datasheet - Page 3

• Manufacturer Part Number: SC4040
• Description: PRECISION SHUNT VOLTAGE REFERENCE
• Manufacturer: Semtech Corporation

PRELIMINARY - April 13, 1998
ELECTRICAL CHARACTERISTICS
T
Parameter
Reverse Breakdown Volt-
age
Minimum Operating Cur-
rent
Reverse Breakdown Volt-
age Temperature Coeffi-
cient
Ratio of Change in V
Change in I
Reverse Dynamic
Impedance
Wideband Noise (RMS)
Long Term Stability of Re-
verse Breakdown Voltage
T
Parameter
Reverse Breakdown Volt-
age
Minimum Operating Current
Reverse Breakdown Volt-
age Temperature Coeffi-
cient
Ratio of Change in V
Change in I
Reverse Dynamic
Impedance
Wideband Noise (RMS)
Long Term Stability of Re-
verse Breakdown Voltage
© 1998 SEMTECH CORP.
A
A
= 25°C unless otherwise specified.
= 25°C unless otherwise specified.
Z
Z
Z
Z
to
to
Symbol
Symbol
I
I
Z(min)
V
Z
e
Z(min)
V
V
V
V
V
Z
e
V
V
T
T
I
I
R
N
Z
Z
Z
Z
N
Z
Z
Z
R
Z
Z
Z
I
I
I
I
I
1mA < I
I
I
10Hz < f < 10kHz
t = 1000 hours
T = 25°C ± 0.1°C
I
I
I
I
I
I
1mA < I
I
I
10Hz < f < 10kHz
t = 1000 hours
T = 25°C ± 0.1°C
I
Z
Z
Z
Z
Z(min)
Z
Z
Z
Z
Z
Z
Z
Z(min)
Z
Z
Z
= 100µA
= 10mA
= 1mA
= 100µA
= 1mA, f = 120 Hz, I
= 100µA
= 100µA
= 100µA
= 10mA
= 1mA
= 100µA
= 1mA, f = 120 Hz, I
= 100µA
= 100µA
< I
< I
Z
Z
Z
Z
< 1mA
< 12mA
< 1mA
< 12mA
Condition
PRECISION SHUNT VOLTAGE
REFERENCE
Condition
T
T
T
T
T
T
T
T
T
T
T
T
T
T
A
A
A
A
A
A
A
A
A
A
A
A
A
A
AC
AC
= 25°C
= -40 to +85°C
= -40 to +85°C
= 25°C
= -40 to +85°C
= 25°C
= -40 to +85°C
= 25°C
= -40 to +85°C
= -40 to +85°C
= 25°C
= -40 to +85°C
= 25°C
= -40 to +85°C
= 0.1 I
= 0.1 I
Z
Z
652 MITCHELL ROAD NEWBURY PARK CA 91320
2.4975 2.5000 2.5025
2.488
2.471
2.481
MIN
MIN
SC4040C (0.5%)
SC4040A (0.1%)
2.500
2.500
2.500
TYP
0.25
0.25
120
TYP
120
60
20
60
35
2.512
2.529
MAX
±100
2.519
±100
MAX
0.8
1.0
6.0
8.0
0.9
80
0.8
1.0
6.0
8.0
0.8
80
MIN
2.475
2.451
2.495
2.479
MIN
SC4040D (1.0%)
SC4040B (0.2%)
TYP
2.500
2.500
2.500
TYP
0.25
2.500
120
0.25
60
35
120
60
35
MAX
2.525
2.549
MAX
±150
2.505
2.521
10.0
±100
1.0
1.2
8.0
1.1
80
0.8
1.0
6.0
8.0
0.8
80
SC4040
UNITS
UNITS
ppm/°C
ppm/°C
ppm
ppm
mV
mV
mV
mV
mV
mV
mV
mV
µA
µV
µA
µV
V
V
V
V
3