UTC-IC A6225

UNISONIC TECHNOLOGIES CO.,
A6225
LINEAR INTEGRATED CIRCUIT
DUAL PRE-AMPLIFIER
FEATURES
* Dual pre amplifier for cat or home stereo use.
* High voltage gain: GVO = 100dB (Typ.) at f= 1kHz.
* Excellent channel separation and high ripple rejection
: CS = 65dB(Typ.)
(f = 10kHz, RG = 2.2kΩ, VOUT= 0dBm)
: RR = 50dB(Typ.)
* Low noise: VNI = 1.0µV(Typ.) at RG = 2.2kΩ, Bw =20Hz~20kHz
* Wide operating supply voltage range: VCC = 6~16V (Ta = 25℃)
SIP-9
*Pb-free plating product number: A6225L
ORDERING INFORMATION
Order Number
Normal
Lead free
A6225-G09-T
A6225L-G09-T
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co.,
Package
Packing
SIP-9
Tube
1
QW-R107-039,A
A6225
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Ta = 25℃)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
16
V
Power Dissipation (Note)
PD
700
mW
Operating Temperature
TOPR
0 ~ +70
℃
Storage Temperature
TSTG
-40 ~ +150
℃
Note 1. Derated above Ta = 25℃ in the Proportion of 5.6mW/℃
2. Absolute maximum ratings are stress ratings only and functional device operation is not implied. The device
could be damaged beyond Absolute maximum ratings.
3. The device is guaranteed to meet performance specifications within 0℃~70℃ operating temperature range
and assured by design from –20℃~85℃.
ELECTRICAL CHARACTERISTICS
(Ta=25℃, VCC 6V, RG=600Ω, RL=10kΩ, f=1kHz, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
Supply Current
ICC
VIN = 0V
OPEN
GVO
VOUT = 0dBm
Voltage Gain
CLOSED
GVC
VOUT = 0dBm
Maximum Output Voltage
VO(MAX) THD = 1%
Equivalent Input Noise Voltage VIN(NO) RG = 2.2kΩ, BPF = 20Hz ~ 20kHz
Input Resistance
RIN
Channel Separation
CS
f = 10kHz, VOUT = 0dBm
Ripple Rejection
RR
f = 10kHz, RG = 2.2kΩ
Total Harmonic Distortion
THD VOUT = 0dBm
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
75
38.5
1.0
50
TYP
3
100
41.5
1.8
1.0
150
65
50
0.04
MAX
6
44.5
1.7
0.25
UNIT
mA
dB
V
µV
kΩ
dB
dB
%
2
QW-R107-039,A
A6225
LINEAR INTEGRATED CIRCUIT
TEST CIRCUIT
47μF
+
a
SW1
47Ω
0.033μF
a
b
2.7kΩ
+
100kΩ
SW2
47μF
b
100kΩ
2
10μF
RL
10kΩ
UTC A6225
+
4
V CC
+
100μF
-
8
+
6
10μF
-
-
OUT 1
1
5
IN 2
+
IN 1
3
-
10μF
+
OUT 2
RL
10kΩ
10μF
7
47μF
+
SW2
a
SW4
100kΩ
b
2.7kΩ
b
100kΩ
a
-
+
47μF
0.033μF
47Ω
* GVO SW1~SW4
b SIDE
TYPICAL APPLICATION CIRCUIT
0.033μF
NAB EQ
2.7kΩ
+
47Ω
47μF
100kΩ
-
2
10μF
+
3
-
10μF
- +
IN 1
1
1000pF
+
8
6
1000pF
VCC
+
- 100μF
+
-
4
-
UTC A6225
5
IN 2
OUT 1
RL
10kΩ
10μF
OUT 2
RL
10kΩ
7
2.7kΩ
100kΩ
+
47Ω
47μF
-
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
0.033μF
3
QW-R107-039,A
A6225
LINEAR INTEGRATED CIRCUIT
THD- VOUT
VOUT - VIN
OUTPUT VOLTAGE, VOUT (V)
TOTAL HARMONIC DISTORTION,
THD (%)
TYPICAL CHARACTERISTICS
3
VCC = 6V
1 RL = 10kΩ
0.5 NAB EQ
0.3
f=
0.1
0.05
0.03
f = 1kHz
f = 10kHz
0.01
0.005
0.003
0.01
0.03
10
0H
z
0.3
0.1
1
3
10
10
5
3
1
0.5
0.3
f=
z
0H
0
1
Hz
1k
kH
10
0.1
0.05
0.03
0.01
0.1 0.3
OUTPUT VOLTAGE, V OUT (V)
VCC = 6V
VOUT = 0dBm
NAB EQ
1
0.8
f = 1kHz
RL = 10kΩ
THD = 1%
4
6
8
10 12 14
16
180
VCC = 6V
160 V
OUT = 0dBm
140 RL = 10kΩ
120
0μF
100
= 22
NF
C
80
CNF = 100μF
60
CNF = 47μF
40
20
0
30 100 300
1k
3k
10k
FREQUENCY, f (Hz)
RR - VCC
RR - R G
fRIPPLE = 100Hz
VRIPPLE = 0dBm
RG = 2.2kΩ
-10
-20
-30
-40
-50
-60
2
30 100 300
SUPPLY VOLTAGE, VCC (V)
0
0
OPEN LOOP VOLTAGE GAIN,
G VO (dB)
1.2
4
6
8 10 12 14 16 18 20
SUPPLY VOLTAGE, V CC (V)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
RIPPLE REJECTION, RR (dB)
MAXMUM OUTPUT VOLTAGE,
VOM (V)
RIPPLE REJECTION, RR (dB)
1.6
2
10
G VO - f
2.0
0
0
3
INPUT VOLTAGE, VIN (mV)
VOM - VCC
2.4
0.4
z
30k 100k
0
VCC = 6V
f
-10 RIPPLE = 100Hz
VRIPPLE = 0dBm
-20
-30
-40
-50
-60
50 100
300
1k
3k
10k
20k
SIGNAL SOURCE RESISTANCE, R G (Ω)
4
QW-R107-039,A
A6225
LINEAR INTEGRATED CIRCUIT
RIPPLE REJECTION, RR (dB)
RR - f
0 V = 6V
CC
-10 RG = 2.2kΩ
-20 VRIPPLE = 0dBm
-30
-40
-50
-60
-70
-70
30 100 300
1k
3k 10k
30k 100k
QUIESCENT CURRENT, IQ (mA)
TYPICAL CHARACTERISTICS
IQ - VCC
6 VIN = 0
5
4
3
2
1
0
0
FREQUENCY, f (Hz)
2
4
EQUIVALENT INPUT NOISE
VOLTAGE, VNI (μV)
VOLTAGE GAIN, G V (dB)
70 R L = 10kΩ
NAB EQ
40
30
20
10
0
1k
3k 10k
3.2 R = 2.2kΩ
G
2.8 RL = 10kΩ
2.4 DIN AUDIO FILTER
2.0
1.6
1.2
0.8
0.4
0
4
6
8
5
4
3
2
1
0
30
10 12 14 16 18 20
SUPPLY VOLTAGE, VCC (V)
100
300
3k
1k
10k
30k
SIGNAL SOURCE RESISTANCE, R G (Ω)
CHANNEL SEPARATION, CS (dB)
EQUIVALENT INPUT NOISE
VOLTAGE, VIN(NO) (μV)
VIN(NO) - VCC
2
8 V = 6V
CC
7 RL = 10kΩ
6 DIN AUDIO FILTER
30k 100k
FREQUENCY, f (Hz)
0
14 16 18
VNI - RG
90 VCC = 6 V
80 VOUT = 0dBm
30 100 300
10 12
SUPPLY VOLTAGE, VCC (V)
GV - f
60
50
8
6
CS - f
0
VCC = 6V
-10 RL = 10kΩ
-20 RG = 2.2kΩ
-30 VOUT = 0dBm
-40
-50
-60
-70
-80
-90
30 100 300
1k
3k
10k
30k 100k
FREQUENCY, f (Hz)
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5
QW-R107-039,A