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Part: AN7337N
Category:
Multimedia
-> Audio/Video
-> Graphic Equalier
Description: Package =
Company: Panasonic Industrial Company/Electronic Components
Datasheet: Download AN7337N datasheet File size : 68 kB
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Datasheet text preview:
ICs for Audio Common Use
AN7337N
7-Element Graphic Equalizer IC for Hi-Fi
s Overview
The AN7337N is a graphic equalizer IC for high performance Hi-Fi developed for deck. It incorporates output buffer circuit and 7 resonance buffer circuits, can set resonance frequency by external capacitor.
1 2 3 4 5 6 7 8 9 10 6.35±0.3 3.25±0.3 20 19 18 17 16 15 14 13 12 11 Unit : mm 0.5±0.25 1.22±0.25 0.6±0.25 3.85±0.25 3.0±0.25
0.25
1 + 0. 5 0 0.
s Features · Low noise : Vno = 4µVrms typ. · Low distortion : THD = 0.002% typ. (at VO = 1Vrms) · High output power : VO (max.) = 9.5Vrms typ. (at. THD =
0.1%)
25.0±0.3
· Wide operating supply voltage range : VCC (opr.) = ±4 ~
±18V
3 ~15°
7.62±0.25 20-Lead DIP Package (DIP020-P-0300A)
s Block Diagram
VCC 20 GND 19 +VCC 18 17 16 15 14 13 12 11
Output Buffer
+
+ Resonance Section7
+ Resonance Section6 Resonance Section5 +
Resonance Section1 +
Resonance Section2 +
Resonance Section3 +
Resonance Section4 +
1
2
3
4
5
6
7
8
9
10
2.54
AN7337N
s Absolute Maximum Ratings (Ta= 25°C)
Parameter Supply Voltage Supply Current Power Dissipation Operating Ambient Temperature Storage Temperature Symbol VCC ICC PD Topr Tstg
ICs for Audio Common Use
Rating ±18 ±50 1,000 20 ~ + 75 55 ~ +150
Unit V mA mW °C °C
s Recommended Operating Range (Ta = 25°C)
Parameter Operating Supply Voltage Range Symbol VCC Range ±4V ~ ±18V
s Electrical Characteristics (VCC = ±15V, Ta = 25°C)
Parameter Total Circuit Current Voltage Gain FLAT Voltage Gain BOOST Voltage Gain CUT Total Harmonic Distortion Max. Output Voltage Output Noise Voltage Output Noise Voltage Symbol ICC GV (FLAT) GV (Boost) GV (CUT) THD VO (max.) Vno Vno (max.) Vin= 0mV f= 1kHz, Vin= 10dBm FLAT VO = 0dB, Vin= 10dBm FLAT VO = 0dB, Vin= 10dBm f= 1kHz, VO = 1Vrms f= 1kHz, THD= 0.1% Input Short, DIN/AUDIO Input Short, ALL Boost Condition min. 8 0.6 10.4 14 typ. 12 0.3 12 12 0.002 8 9.5 4 31 35 100 max. 16 0 14 10.4 0.03 Unit mA dB dB dB % Vrms µVrms µVrms
s Characteristics Curve
THD VCC
0.1 VO = 1Vrms Ta = 25°C 10
Vno VCC
VCC Vno Input Short DIN/AUDIO Total Flat 1 Total Harmonic Distortion THD (%) VCC = ±15V f = 1kHz Ta = 25°C
THD VO
Total Harmonic Distortion THD (%)
0.05 0.03 0.02 Output Noise Voltage Vno (µV) 8
0.3 CUT 0.1
6
0.01 0.005 0.003 0.002
4
0.03 Boost 0.01
2
0.003 0.001 0 5 10 15 20 25 30 0 0 4 8 12 16 20 24 20 0
FLAT 20 40
Supply Voltage VCC (V)
Supply Voltage VCC (V)
Output Voltage VO (dBV)
ICs for Audio Common Use
AN7337N
THD f
40 10 1 Total Harmonic Distortion THD (%) VCC =15V Vin =1Vrms Ta =25°C Output Voltage VO (dBV) 20
VO f
10 2
FLAT 0 CUT
10 3
10 4
20
10 5
100
1k Frequency f (Hz)
10k
40 10
100
1k
10k
100k
Frequency f (Hz)
s Application Circuit
560 10k
+
VO
3.3µF 1500pF 17 3.3k 16 15
+VCC
+
22µF
+
VCC
22µF
20
19
18
14
13
12
11
AN7337N
1 47k 0.12µF
2 0.068µF
3
4 0.022µF
5
6 0.0068µF
7
8 0.0027µF
9
10 0.0012µF
22µF
1µF
0.33µF
0.12µF
0.056µF
0.018µF
0.0082µF
470pF
Boost Flat Cut
+
+
3.3k + 3.3µF
VR : 50k
33µF SG
AN7337N
s Pin Descriptions
Pin No. Pin Name Pin Voltage (V) Description
ICs for Audio Common Use
Equivalent Circuit
1
+ VCC
1, 3, 5, 7, 9, 11, 13
Input
Center electric potential (GND)
Resonance circuit input pin
VCC
IN
16 2 1
2, 4, 6, 8, 10, 12, 14
Negative Feedback
Center electric potential (GND)
Resonance circuit negative feedback pin
+ VCC
VCC
IN
15
Non Inverting Input
Center electric potential (GND)
Output buffer circuit non-inverting input pin
Center electric potential
33k
33µF
15
16
+VCC
16
Inverting Input
Center electric potential (GND)
Output buffer circuit inverting input pin
VCC
OUT
+
17
+VCC
17
Output
Center electric potential (GND)
Output buffer circuit putput pin
VCC
18 19 20
Positive Power Supply GND Negative Feedback
+15 0 15
Positive supply pin GND pin Negative supply pin
Others parts begin by an
AN-1 AN-2 AN-3 AN-4 AN-5 AN-6 AN-7 AN-8
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