LT1021BCH-5 Linear Technology, LT1021BCH-5 Datasheet - Page 14

• Manufacturer Part Number: LT1021BCH-5
• Description: IC PREC REF 5V 5PPM/DEGC TO-5
• Manufacturer: Linear Technology

Specifications of LT1021BCH-5

• Reference Type: Series
• Voltage - Output: 5V
• Tolerance: ±50mV
• Temperature Coefficient: 5ppm/°C
• Voltage - Input: 7.2 ~ 40 V
• Number Of Channels: 1
• Current - Quiescent: 1.2mA
• Current - Output: 10mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: TO-5-8
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Cathode: -

LT1021
EQUIVALE T SCHE ATIC
14
TYPICAL APPLICATIONS
100k
R9
U
10M
R8
–15V
W
R3**
5k
R1**
253k
R7
392k
1%
U
R
100Ω AT
0°C
R2*
5k
S
†
Ultralinear Platinum Temperature Sensor*
D4
6.3V
–
182k
R10
1%
4.75k
A1
1%
R4
+
R5
200k
1%
R6
619k
1%
Q1
OUT
INPUT
LT1021-10
GND
**
†
*
STANDARD INDUSTRIAL 100Ω PLATINUM 4-WIRE SENSOR,
ROSEMOUNT 78S OR EQUIVALENT. α = 0.00385
TRIM R9 FOR V
TRIM R12 FOR V
TRIM R14 FOR V
USE TRIM SEQUENCE AS SHOWN. TRIMS ARE NONINTERACTIVE
SO THAT ONLY ONE TRIM SEQUENCE IS NORMALLY REQUIRED.
FEEDBACK LINEARIZES OUTPUT TO ±0.005°C FROM
– 50°C TO 150°C
WIREWOUND RESISTORS WITH LOW TC
2
3
R11
6.65M
1%
Q2
–
+
IN
LT1001
D1
D2
–15V
20V
654k
R
20V
D3
7
4
F
**
OUT
OUT
OUT
Q3
R1
R2
= 0V AT 0°C
LT1021 ES
6
= 10V AT 100°C
= 5V AT 50°C
GND
OUTPUT
R15
10k
R13
24.3k
R12
1k
R14
5k
V
– 50°C ≤ T ≤ 150°C
OUT
=100mV/°C
1021 TA10
1021fc