CA3140AMZ Intersil, CA3140AMZ Datasheet - Page 18

• Manufacturer Part Number: CA3140AMZ
• Description: IC OPAMP BIMOS 4.5MHZ 8SOIC
• Manufacturer: Intersil

Specifications of CA3140AMZ

• 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: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output Type: -
• -3db Bandwidth: -

20V
FIGURE 27. TEST CIRCUIT AMPLIFIER (30dB GAIN) USED FOR
GAIN
R
FOR X
R
FIGURE 26. SINGLE SUPPLY, ABSOLUTE VALUE, IDEAL
BW (-3dB) = 140kHz
TOTAL NOISE VOLTAGE
(REFERRED TO INPUT) = 48µV (TYP)
3
3
P-P
=
=


10kΩ
=
X
---------------- -
1 X
Input BW (-3dB) = 290kHz, DC Output (Avg) = 3.2V
=
+
R
------ -
R
–
10kΩ
1MΩ
0.5
R
2
1
X
R


S
1
2
FULL WAVE RECTIFIER WITH ASSOCIATED
WAVEFORMS
WIDEBAND NOISE MEASUREMENT
0.75
---------- -
=
 R

0.5
-------------- -
10kΩ
5kΩ
X
1


3
2
=
=
---------------------------- -
R
+15V
2
3
-15V
=
15kΩ
+
1
-
CA3140
5kΩ
R
R
------ -
R
R
R
8
2
2
1
2
CA3140
+
7
4
-
3
+
1
R
3
18
0.01µF
5
0.01µF
+15V
100kΩ
OFFSET
ADJUST
7
4
6
6
30.1kΩ
1kΩ
1N914
0.1µF
NOISE VOLTAGE
OUTPUT
R
3
OUTPUT
0
INPUT
0
10kΩ
PEAK
ADJUST
10kΩ
CA3140, CA3140A
FIGURE 28C. INPUT-OUTPUT DIFFERENCE SIGNAL SHOWING
FIGURE 28. SPLIT SUPPLY VOLTAGE FOLLOWER TEST
INPUT
(Measurement made with Tektronix 7A13 differential amplifier.)
Bottom Trace: Input; 50mV/Div., 200ns/Div.
Bottom Trace: Input Signal; 5V/Div., 5µs/Div.
Center Trace: Difference Signal; 5mV/Div., 5µs/Div.
10kΩ
FIGURE 28B. SMALL SIGNAL RESPONSE
Top Trace: Output; 50mV/Div., 200ns/Div.
Top Trace: Output Signal; 5V/Div., 5µs/Div.
CIRCUIT AND ASSOCIATED WAVEFORMS
SETTLING TIME
3
2
FIGURE 28A. TEST CIRCUIT
+
CA3140
-
0.05µF
+15V
-15V
2kΩ
7
4
0.1µF
0.1µF
6
100pF
BW (-3dB) = 4.5MHz
SIMULATED
LOAD
SR = 9V/µs
2kΩ
July 11, 2005
FN957.10