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PDF CA3045 Data sheet ( Hoja de datos )

Número de pieza CA3045
Descripción General Purpose NPN Transistor Arrays
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Data Sheet
CA3045, CA3046
September 1998
File Number 341.4
General Purpose NPN Transistor Arrays
The CA3045 and CA3046 each consist of five general
purpose silicon NPN transistors on a common monolithic
substrate. Two of the transistors are internally connected to
form a differentially connected pair.
The transistors of the CA3045 and CA3046 are well suited to
a wide variety of applications in low power systems in the DC
through VHF range. They may be used as discrete
transistors in conventional circuits. However, in addition, they
provide the very significant inherent integrated circuit
advantages of close electrical and thermal matching.
Ordering Information
PART NUMBER
(BRAND)
CA3045F
CA3046
TEMP.
RANGE (oC)
PACKAGE
-55 to 125 14 Ld CERDIP
-55 to 125 14 Ld PDIP
PKG.
NO.
F14.3
E14.3
CA3046M
(3046)
CA3046M96
(3046)
-55 to 125 14 Ld SOIC
M14.15
-55 to 125 14 Ld SOIC Tape M14.15
and Reel
Pinout
CA3045, (CERDIP)
CA3046 (PDIP, SOIC)
TOP VIEW
DIFFERENTIAL
PAIR
1
2
3
4
5
6
7
14
Q5
Q1 13 SUBSTRATE
12
Q2 11
Q4
10
9
8
Q3
Features
• Two Matched Transistors
- VBE Match . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±5mV
- IIO Match. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2µA (Max)
• Low Noise Figure . . . . . . . . . . . . . . . . 3.2dB (Typ) at 1kHz
• 5 General Purpose Monolithic Transistors
• Operation From DC to 120MHz
• Wide Operating Current Range
• Full Military Temperature Range
Applications
• Three Isolated Transistors and One Differentially
Connected Transistor Pair for Low Power Applications at
Frequencies from DC Through the VHF Range
• Custom Designed Differential Amplifiers
• Temperature Compensated Amplifiers
• See Application Note, AN5296 “Application of the CA3018
Integrated-Circuit Transistor Array” for Suggested
Applications
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999

1 page




CA3045 pdf
CA3045, CA3046
Typical Performance Curves (Continued)
100
VCE = 3V
f = 1kHz
TA = 25oC
10 hRE
hIE
hFE = 110
hIE = 3.5k
hRE = 1.88 x
10-4
hOE = 15.6µS
AT
1mA
hOE
1.0 hFE
0.1
0.01
hRE
0.1 1.0
COLLECTOR CURRENT (mA)
hIE
10
FIGURE 11. TYPICAL NORMALIZED FORWARD CURRENT
TRANSFER RATIO, SHORT CIRCUIT INPUT
IMPEDANCE, OPEN CIRCUIT OUTPUT IMPEDANCE,
AND OPEN CIRCUIT REVERSE VOLTAGE TRANSFER
RATIO vs COLLECTOR CURRENT
6
COMMON EMITTER CIRCUIT, BASE INPUT
5 TA = 25oC, VCE = 3V, IC = 1mA
4
3
bIE
2
1
0
0.1
gIE
1 10
FREQUENCY (MHz)
100
FIGURE 13. TYPICAL INPUT ADMITTANCE vs FREQUENCY
COMMON EMITTER CIRCUIT, BASE INPUT
TA = 25oC, VCE = 3V, IC = 1mA
gRE IS SMALL AT FREQUENCIES
LESS THAN 500MHz
0
-0.5 bRE
-1.0
-1.5
-2.0
1
10
FREQUENCY (MHz)
100
FIGURE 15. TYPICAL REVERSE TRANSFER ADMITTANCE vs
FREQUENCY
COMMON EMITTER CIRCUIT, BASE INPUT
40 TA = 25oC, VCE = 3V, IC = 1mA
30
20 gFE
10
0
-10 bFE
-20
0.1
1 10
FREQUENCY (MHz)
100
FIGURE 12. TYPICAL FORWARD TRANSFER ADMITTANCE vs
FREQUENCY
6
COMMON EMITTER CIRCUIT, BASE INPUT
TA = 25oC, VCE = 3V, IC = 1mA
5
4 bOE
3
2
1
gOE
0
0.1 1 10 100
FREQUENCY (MHz)
FIGURE 14. TYPICAL OUTPUT ADMITTANCE vs FREQUENCY
1000
900
800
700
600
500
400
300
200
100
VCE = 3V
TA = 25oC
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
COLLECTOR CURRENT (mA)
FIGURE 16. TYPICAL GAIN BANDWIDTH PRODUCT vs
COLLECTOR CURRENT
5

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