CA3140AEZ Intersil, CA3140AEZ Datasheet - Page 15

• Manufacturer Part Number: CA3140AEZ
• Description: IC OPAMP BIMOS 4.5MHZ 8DIP
• Manufacturer: Intersil

Specifications of CA3140AEZ

• Amplifier Type: General Purpose
• Number Of Circuits: 1
• Slew Rate: 9 V/µs
• Gain Bandwidth Product: 4.5MHz
• Current - Input Bias: 10pA
• Voltage - Input Offset: 2000µV
• Current - Supply: 4mA
• Current - Output / Channel: 40mA
• Voltage - Supply, Single/dual (±): 4 V ~ 36 V, ±2 V ~ 18 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Bandwidth: 4.5 MHz
• Common Mode Rejection Ratio: 90
• Current, Input Bias: 0.00001 μA
• Current, Input Offset: 0.5 pA
• Current, Output: 40 mA
• Current, Supply: 4 mA
• Number Of Amplifiers: Single
• Package Type: PDIP-8
• Power Dissipation: 120 mW
• Resistance, Input: 1.5 Teraohms
• Temperature, Operating, Range: -55 to +125 °C
• Time, Rise: 0.08 μs
• Voltage, Gain: 100 kV/V
• Voltage, Input: 8 V
• Voltage, Noise: 12 nV/sqrt Hz
• Voltage, Offset: 2 mV
• Voltage, Output, High: 13 V
• Voltage, Output, Low: -14.4 V
• Voltage, Supply: 4 to 36 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output Type: -
• -3db Bandwidth: -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

Tone Control Circuits
High slew rate, wide bandwidth, high output voltage
capability and high input impedance are all characteristics
required of tone control amplifiers. Two tone control circuits
that exploit these characteristics of the CA3140 are shown in
Figures 19 and 20.
The first circuit, shown in Figure 20, is the Baxandall tone
control circuit which provides unity gain at midband and
uses standard linear potentiometers. The high input
impedance of the CA3140 makes possible the use of low-
cost, low-value, small size capacitors, as well as reduced
load of the driving stage.
0.047µF
TONE CONTROL NETWORK
BOOST
BOOST TREBLE
240kΩ
51kΩ
0.005µF
750
pF
2.2MΩ
MΩ
5.1
(LINEAR)
(LINEAR)
BASS
5MΩ
5MΩ
FIGURE 19. TONE CONTROL CIRCUIT USING CA3130 SERIES (20dB MIDBAND GAIN)
0.1
2.2MΩ
µF
20pF
FOR SINGLE SUPPLY
240kΩ
750
pF
FIGURE 20. BAXANDALL TONE CONTROL CIRCUIT USING CA3140 SERIES
15
51kΩ
CUT
CUT
FOR SINGLE SUPPLY
2.2MΩ
-
2µF
0.012µF
18kΩ
BOOST
0.022µF
TONE CONTROL NETWORK
+
BOOST
10kΩ
0.1
µF
3
2
ΝΟΤΕΣ:
10. 25V
11. -3dB at 70kHz from 1kHz Reference.
12. 0dB Flat Position Gain.
+
CA3140
-
9. ±15dB Bass and Treble Boost and Cut at 100Hz and 10kHz, Respectively.
CCW (LOG)
+30V
100
pF
(LINEAR)
TREBLE
200kΩ
7
4
BASS
2.2MΩ
1MΩ
2.2
MΩ
P-P
3
2
0.1µF
CA3140, CA3140A
6
0.0022µF
Output at 20kHz.
100pF
0.001µF
100kΩ
+
CA3140
-
CUT
CUT
7
4
+32V
0.1
µF
6
NOTES:
Bass treble boost and cut are ±15dB at 100Hz and 10kHz,
respectively. Full peak-to-peak output is available up to at
least 20kHz due to the high slew rate of the CA3140. The
amplifier gain is 3dB down from its “flat” position at 70kHz.
Figure 19 shows another tone control circuit with similar
boost and cut specifications. The wideband gain of this
circuit is equal to the ultimate boost or cut plus one, which in
this case is a gain of eleven. For 20dB boost and cut, the
input loading of this circuit is essentially equal to the value of
the resistance from Terminal No. 3 to ground. A detailed
analysis of this circuit is given in “An IC Operational
Transconductance Amplifier (OTA) With Power Capability” by
L. Kaplan and H. Wittlinger, IEEE Transactions on Broadcast
and Television Receivers, Vol. BTR-18, No. 3, August, 1972.
5. 20dB Flat Position Gain.
6. ±15dB Bass and Treble Boost and Cut
7. 25V
8. -3dB at 24kHz from 1kHz reference.
at 100Hz and 10kHz, respectively.
P-P
0.047µF
output at 20kHz.
5.1MΩ
0.005µF
TONE CONTROL
NETWORK
FOR DUAL SUPPLIES
TONE CONTROL NETWORK
FOR DUAL SUPPLIES
3
2
CA3140
+
-
+15V
-15V
7
4
0.1µF
0.1µF
3
2
6
CA3140
+
-
+15V
-15V
7
4
0.1µF
0.1µF
6
July 11, 2005
FN957.10