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LX6431BIDM

P1-P3P4-P6P7-P9P10-P11
P
RECISION
P
ROGRAMMABLE
R
EFERENCES
LX6431/LX6431A/LX6431B
PRODUCT DATABOOK 1996/1997
Copyright © 1999
Rev. 1.4a
4
P RODUCTION DATA SHEET
GRAPH / CURVE INDEX
Characteristic Curves
FIGURE #
1. REFERENCE VOLTAGE vs. FREE-AIR TEMPERATURE
2. REFERENCE CURRENT vs. FREE-AIR TEMPERATURE
3. CATHODE CURRENT vs. CATHODE VOLTAGE
4. OFF-STATE CATHODE CURRENT vs. FREE-AIR TEMPERATURE
5. RATIO OF DELTA REFERENCE VOLTAGE TO DELTA CATHODE
VOLTAGE vs. FREE-AIR TEMPERATURE
6. EQUIVALENT INPUT NOISE VOLTAGE vs. FREQUENCY
FIGURE INDEX
Application Information
FIGURE #
7. COMPARISON OF REFERENCE RESISTOR VALUES BETWEEN AN
LX6431B AND A TL1431. Resistors used with the LX6431B are 5
times higher in value.
8. COMPARISON OF REFERENCE RESISTOR VALUES BETWEEN AN
LX6431B AND A TL1431. When used as 0.5%, 5V shunt
regulators.
Parameter Measurement Information
FIGURE #
9. TEST CIRCUIT FOR V
KA
= V
REF
10. TEST CIRCUIT FOR V
KA
> V
REF
11. TEST CIRCUIT FOR I
OFF
Typical Characteristics
FIGURE #
12. EQUIVALENT INPUT NOISE VOLTAGE OVER A 10-SECOND PERIOD
13. SMALL-SIGNAL VOLTAGE AMPLIFICATION vs. FREQUENCY
14. REFERENCE IMPEDANCE vs. FREQUENCY
15. PULSE RESPONSE
16. DIFFERENTIAL VOLTAGE AMPLIFICATION vs. FREQUENCY
P
RECISION
P
ROGRAMMABLE
R
EFERENCES
LX6431/LX6431A/LX6431B
PRODUCT DATABOOK 1996/1997
5
Copyright © 1999
Rev. 1.4a
P RODUCTION DATA SHEET
CHARACTERISTIC CURVES
FIGURE 2. — REFERENCE CURRENT
vs. FREE-AIR TEMPERATURE
FIGURE 3. — CATHODE CURRENT vs. CATHODE VOLTAGE FIGURE 4. — OFF-STATE CATHODE CURRENT
vs. FREE-AIR TEMPERATURE
FIGURE 1. — REFERENCE VOLTAGE
vs. FREE-AIR TEMPERATURE
0.11
0.1
(T
A
) Ambient Temperature - (°C)
0.15
(I
REF
) Reference Current - (µA)
0.12
-50
-25 0
25
50 75 100 125
0.13
I
K
= 10mA
R1 = 10k
0.14
2.49
2.48
(T
A
) Ambient Temperature - (°C)
2.52
(V
REF
) Reference Voltage - (V)
2.50
-50
-25 0
25
50 75 100 125
2.51
V
REF
= V
KA
I
K
= 10mA
0
-200
(V
KA
) Cathode Voltage - (V)
800
(I
K
) Cathode Current - (µA)
200
-2
-1 0
1
234
400
V
KA
= V
REF
T
A
= 25°C
600
0.2
0
(T
A
) Ambient Temperature - (°C)
0.8
(I
OFF
) Off-State Cathode Current - (µA)
0.4
-50
-25 0
25
50 75 100 125
0.6
V
KA
= 36V
V
REF
= 0
0.1
0.3
0.5
0.7
P
RECISION
P
ROGRAMMABLE
R
EFERENCES
LX6431/LX6431A/LX6431B
PRODUCT DATABOOK 1996/1997
Copyright © 1999
Rev. 1.4a
6
P RODUCTION DATA SHEET
CHARACTERISTIC CURVES
FIGURE 6. — EQUIVALENT INPUT NOISE VOLTAGE
vs. FREQUENCY
FIGURE 5. — RATIO OF DELTA REFERENCE VOLTAGE TO DELTA
CATHODE VOLTAGE vs. FREE-AIR TEMPERATURE
120
100
(f) Frequency - (Hz)
260
(V
N
) Noise Voltage - (nV/ Hz)
140
10 100
1k
10k 100k
200
220
160
180
240
I
O
= 10mA
T
A
= 25°C
-0.4
-0.6
(T
A
) Ambient Temperature - (°C)
0
∆
V
REF
/
∆
V
KA
- (mV/V)
-0.3
-50
-25 0
25
50 75 100 125
V
KA
= 3V to 36V
-0.5
-0.2
-0.1
P1-P3P4-P6P7-P9P10-P11

LX6431BIDM

Mfr. #:
Buy LX6431BIDM
Manufacturer:
Microchip / Microsemi
Description:
IC VREF SHUNT ADJ 8SOIC
Lifecycle:
New from this manufacturer.
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