ca3094a Intersil Corporation, ca3094a Datasheet - Page 11

• Manufacturer Part Number: ca3094a
• Description: 30mhz, High Output Current Operational Transconductance Amplifier
• Manufacturer: Intersil Corporation

Typical Applications
Power Output (8 load, Tone Control Set at “Flat”)
Total Harmonic Distortion
Voltage Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40dB
Hum and Noise (Below Continuous Power Output) . . . . . . . . . .83dB
FIGURE 22. 12W AUDIO AMPLIFIER CIRCUIT FEATURING TRUE COMPLEMENTARY SYMMETRY OUTPUT STAGE WITH CA3094 IN
Music (at 5% THD, Regulated Supply). . . . . . . . . . . . . . . . . . 15W
Continuous (at 0.2% IMD, 60Hz and 2kHz
Mixed in a 4:1 Ratio, Unregulated Supply)
See Figure 8 in AN6048 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12W
At 1W, Unregulated Supply . . . . . . . . . . . . . . . . . . . . . . . . .0.05%
At 12W, Unregulated Supply . . . . . . . . . . . . . . . . . . . . . . . .0.57%
INPUT
0.12 F
68
+
“BOOST”
25 F
(CW)
(NOTES
0.001 F
32, 33)
1800
C
DRIVER STAGE
1
1k
15k
0.2 F
TREBLE
“BOOST”
R
0.001 F
(CW)
1
“CUT”
(CCW)
VOLUME
100k
3-22
BASS
2
3
5600
680
k
5 F
TYPICAL PERFORMANCE DATA FOR 12W AUDIO AMPLIFIER CIRCUIT
(Continued)
0.01 F
“CUT”
(CCW)
+
+
-
5
CA3094B
7
0.02 F
4
0.47
820
10k
F
1
6
CA3094, CA3094A, CA3094B
1
6.8pF
8 LEAD
TO-5
8
30
220
220
27
COMPENSATION
1W
1W
NETWORK
†
THERMAL
2N6292
JUMPER (NOTES 32, 33)
15 F
+
0.47 F
C
Q
†
2
1
Q
Q
Input Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250k
Tone Control Range. . . . . . . . . . . . . . . . . . .See Figure 9 in AN6048
NOTES:
32. For standard input: Short C
33. For ceramic cartridge input: C
2
3
2N6292
R
jumper from C
0.47
0.47
2N6107
2
+
.
4700 F
+
D
330
47
1
4700
2
F
- D
; leave R
4
V+
V-
1N5391
D
D
D
D
2
.
1
2
3
4
R
1.8M
(NOTES 32, 33)
2
2
3 H
22
; R
1
1
= 0.0047 F, R
†
= 250k , C
OPTIONAL THERMAL
COMPENSATION
NETWORK
R
8
L
1
STANCOR
NO. P-8609
OR EQUIVALENT
(120VAC TO
8.2
26.8VCT AT 1A)
1
= 0.047 F; remove
1N5391
= 2.5M , remove
120V
60Hz