ltz1000a Linear Technology Corporation, ltz1000a Datasheet - Page 2

• Manufacturer Part Number: ltz1000a
• Description: Ultra Precision Reference
• Manufacturer: Linear Technology Corporation

ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
LTZ1000/LTZ1000A
(Note 1)
Heater to Substrate ...................................................35V
Collector Emitter Breakdown Q1 ...............................15V
Collector Emitter Breakdown Q2 ...............................35V
Emitter Base Reverse Bias ..........................................2V
Operating Temperature Range..........–55°C ≤ T
Storage Temperature Range .............–65°C ≤ T
Substrate Forward Bias ............................................0.1V
ORDER INFORMATION
LEAD FREE FINISH
LTZ1000ACH#PBF
LTZ1000CH#PBF
LEAD BASED FINISH
LTZ1000ACH
LTZ1000CH
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
PARAMETER
Zener Voltage
Zener Change with Current
Zener Leakage Current
Zener Noise
Heater Resistance
Heater Breakdown Voltage
Transistor Q1 Breakdown
Transistor Q2 Breakdown
Q1, Q2 Current Gain
Thermal Resistance
Long-Term Stability
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
2
TAPE AND REEL
LTZ1000ACH#TRPBF
LTZ1000CH#TRPBF
TAPE AND REEL
LTZ1000ACH#TR
LTZ1000CH#TR
CONDITIONS
l
l
1mA ≤ I
V
l
1
I
I
I
I
LTZ1000
LTZ1000A
T = 65°C
Z
Z
Z
L
C
C
C
Q1
Z
http://www.linear.com/leadfree/
= 5mA, (V
= 1mA, (V
= 5mA, 0.1Hz < f < 10Hz
≤ 100μA
= 10μA, LVCEO
= 10μA, LVCEO
= 100μA
= 5V
PART MARKING
PART MARKING
= 100μA
http://www.linear.com/tapeandreel/
Z
A
A
< 5mA
≤ 125°C
≤ 150°C
Z
Z
+ VBE
+ VBE
Time = 5 Minutes
Time = 5 Minutes
(Note 2)
Q1
Q1
) I
) I
Q1
Q1
PIN CONFIGURATION
= 100μA
= 100μA
Note 2: All testing is done at 25°C. Pulse testing is used for LTZ1000A to
minimize temperature rise during testing. LTZ1000 and LTZ1000A devices
are QA tested at –55°C and 125°C.
PACKAGE DESCRIPTION
8-Lead TO-5 Metal Can (.200 Inch PCD)
8-Lead TO-5 Metal Can (.200 Inch PCD)
PACKAGE DESCRIPTION
8-Lead TO-5 Metal Can (.200 Inch PCD)
8-Lead TO-5 Metal Can (.200 Inch PCD)
6
T
JMAX
Q1
7
5
TO-5 METAL CAN
BOTTOM VIEW
= 80°C, θ
H8 PACKAGE
Q2
MIN
8
4
200
7.0
6.9
35
15
35
80
JA
7V
= 400°C/W
1
3
7.15
TYP
300
200
400
7.2
1.2
80
20
20
50
80
TEMPERATURE RANGE
–55°C to 125°C
–55°C to 125°C
TEMPERATURE RANGE
–55°C to 125°C
–55°C to 125°C
2
2
MAX
7.45
240
200
420
450
7.5
2
μV√kHr
UNITS
1000afc
μV
°C/W
°C/W
mV
P-P
μA
Ω
V
V
V
V
V