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Teilenummer | CA3054 |
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Beschreibung | Dual Independent Differential Amp for Low Power Applications from DC to 120MHz | |
Hersteller | Intersil | |
Logo | ||
Gesamt 8 Seiten Data Sheet
CA3054
September 1998
File Number 388.4
Dual Independent Differential Amp for
Low Power Applications from DC to
120MHz
The CA3054 consists of two independent differential
amplifiers with associated constant current transistors on a
common monolithic substrate. The six NPN transistors which
comprise the amplifiers are general purpose devices which
exhibit low 1/f noise and a value of fT in excess of 300MHz.
These feature make the CA3054 useful from DC to 120MHz.
Bias and load resistors have been omitted to provide
maximum application flexibility.
The monolithic construction of the CA3054 provides close
electrical and thermal matching of the amplifiers. This
feature makes these devices particularly useful in dual
channel applications where matched performance of the two
channels is required.
Ordering Information
PART NUMBER
(BRAND)
CA3054
CA3054M96
(3054)
TEMP.
RANGE (oC)
PACKAGE
0 to 85 14 Ld PDIP
0 to 85
14 Ld SOIC Tape
and Reel
PKG.
NO.
E14.3
M14.15
Pinout
CA3054
(PDIP, SOIC)
TOP VIEW
1
2
3
4
SUBSTRATE 5
6
7
Q2 Q1
14
13
12
Q3
11
Q4 10 NC
Q5 Q6
9
8
Features
• Two Differential Amplifiers on a Common Substrate
• Independently Accessible Inputs and Outputs
• Maximum Input Offset Voltage . . . . . . . . . . . . . . . . . ±5mV
• Temperature Range . . . . . . . . . . . . . . . . . . . 0oC to 85oC
Applications
• Dual Sense Amplifiers
• Dual Schmitt Triggers
• Multifunction Combinations
- RF/Mixer/Oscillator; Converter/IF
• IF Amplifiers (Differential and/or Cascode)
• Product Detectors
• Doubly Balanced Modulators and Demodulators
• Balanced Quadrature Detectors
• Cascade Limiters
• Synchronous Detectors
• Pairs of Balanced Mixers
• Synthesizer Mixers
• Balanced (Push-Pull) Cascode Amplifiers
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
CA3054
Typical Performance Curves (Continued)
VCC = 12V
110 VEE = -6V
f = 1kHz
100
100
VCC = 12V
VEE = -6V
75 f = 1kHz
SIGNAL INPUT = 10mVRMS
50
25
0
90
-25
80
0
-1 -2 -3
BIAS VOLTAGE ON TERMINAL 11 (V)
FIGURE 10. COMMON MODE REJECTION RATIO
CHARACTERISTIC
-4
100
VCC = 12V
VEE = -6V
75 f = 1kHz
SIGNAL INPUT = 1mVRMS
50
25
0
-50
0
-1 -2 -3 -4 -5 -6
BIAS VOLTAGE ON TERMINAL 11 (V)
-7
FIGURE 11. SINGLE STAGE VOLTAGE GAIN CHARACTERISTIC
100
VCB = 3V
f = 1kHz
TA = 25oC
hIE
10
hRE
hFE = 110
hIE = 3.5kΩ
hRE = 1.88 x
10-4
hOE = 15.6µS
AT
1mA
hOE
1.0 hFE
-25
-50
0
-1 -2 -3 -4 -5 -6
BIAS VOLTAGE ON TERMINALS 3 AND 11 (V)
-7
FIGURE 12. TWO STAGE VOLTAGE GAIN CHARACTERISTIC
1000
900
800
700
600
500
400
300
200
100
VCB = 3V
TA = 25oC
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
COLLECTOR CURRENT (mA)
FIGURE 14. GAIN BANDWIDTH PRODUCT (fT) vs COLLECTOR
CURRENT
0.1
0.01
0.1 1.0
COLLECTOR CURRENT (mA)
hRE
hIE
10
FIGURE 13. FORWARD CURRENT TRANSFER RATIO (hFE),
SHORT CIRCUIT INPUT IMPEDANCE (hIE), OPEN
CIRCUIT OUTPUT IMPEDANCE (hOE), AND OPEN
CIRCUIT REVERSE VOLTAGE TRANSFER RATIO
(hRE) vs COLLECTOR CURRENT FOR EACH
TRANSISTOR
30
DIFFERENTIAL CONFIGURATION
IC (EACH TRANSISTOR) ≅ 1.25mA
20
VCB
TA =
= 3V
25oC
10
b21
0
-10
g21
-20
0.1
1.0 10
FREQUENCY (MHz)
100
FIGURE 15. FORWARD TRANSFER ADMITTANCE (Y21) vs
FREQUENCY
6
6 Page | ||
Seiten | Gesamt 8 Seiten | |
PDF Download | [ CA3054 Schematic.PDF ] |
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