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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE General Description
The AP4302 is a monolithic IC specifically designed to regulate the output current and voltage levels of switching battery chargers and power supplies. The device contains quad Op Amps and a 2.5V externally adjusted voltage reference in a 16-pin package. The four Op Amps feature accurate voltage and current control. Combining a stable voltage reference with the four Op Amps makes AP4302 ideal for use in multifunction charger, power supply voltage monitor, signal processing and control system. The IC offers the power converter designer a control solution that features increased precision with a corresponding reduction in system complexity and cost. The AP4302 is available in standard packages of DIP16 and SOIC-16.
AP4302
Features
Op Amp * Input Offset Voltage: 0.5mV * Supply Current: 250A per Op Amp at 5.0V Supply Voltage * Unity Gain Bandwidth: 1MHz * Output Voltage Swing: 0 to (VCC - 1.5)V * Power Supply Range: 3 to 18V
Voltage Reference * Reference Voltage Tolerance: 0.5%, 1% * Sink Current Capability from 0.1 to 80mA * Output Dynamic Impedance: 0.2 * Externally Adjusted Voltage Reference: 2.5V
Applications
* * Battery Charger Switching Power Supply
SOIC-16
DIP-16
Figure 1. Package Types of AP4302
Apr. 2005 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Pin Configuration
M Package/P Package
(SOIC-16/DIP-16)
OUTPUT 1 INPUT 1INPUT 1+ VCC INPUT 2+ INPUT 2OUTPUT 2 VREF
AP4302
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9 Top View
OUTPUT 4 INPUT 4INPUT 4+ GND INPUT 3+ INPUT 3OUTPUT 3 CATHODE
Figure 2. Pin configuration of AP4302
Functional Block Diagram
OUTPUT 1
1 2
16 15
OUTPUT 4
INPUT 1-
INPUT 4-
INPUT 1+
+
+
14 13 12
INPUT 4+
3 4 5 6
VCC
GND
INPUT 2+
INPUT 3+
-
+
+
11 10 9
INPUT 3-
INPUT 2-
OUTPUT 2
7 8
OUTPUT 3
VREF
CATHODE
Figure 3. Functional Block Diagram of AP4302
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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Functional Block Diagram (Continued)
VCC
AP4302
6A
4A
100A
Q5 Q6 Q2 INPUTQ1 Q3 Q4 Rsc OUTPUT INPUT+ Q11 Q10 Q8 Q9 Q12 50uA Q13 Cc Q7
Figure 4. Op Amp Functional Block Diagram (Each Amplifier)
CATHODE 20A 20A
VREF
GND
Figure 5. Voltage Reference Functional Block Diagram
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BCD Semiconductor Manufacturing Limited
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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Ordering Information AP4302
AP4302 Circuit Type Voltage Tolerance A: 0.5% B: 1%
E1: Lead-free Blank: Tin Lead TR: Tape and Reel Blank: Tube Package M: SOIC-16 P: DIP-16
Package
Voltage Tolerance 0.5% 1% 0.5%
Temperature Range -40 to 85oC
Part Number Tin Lead AP4302AP AP4302BP AP4302AM Lead Free AP4302AP-E1 AP4302BP-E1 AP4302AM-E1 AP4302AMTR-E1 AP4302BM-E1 AP4302BMTR-E1
Marking ID Tin Lead AP4302AP AP4302BP AP4302AM AP4302AM AP4302BM AP4302BM Lead Free AP4302AP-E1 AP4302BP-E1 AP4302AM-E1 AP4302AM-E1 AP4302BM-E1 AP4302BM-E1
Packing Type Tube Tube Tape & Reel Tube Tape & Reel
DIP-16
SOIC-16 1%
-40 to 85 C
o
AP4302AMTR AP4302BM AP4302BMTR
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Absolute Maximum Ratings (Note 1)
Parameter Power Supply Voltage (VCC to GND) Input Voltage Range Op Amp Input Differential Voltage Voltage Reference Cathode Current Power Dissipation DIP-16 SOIC-16 Storage Temperature Range ESD Protection Voltage (Machine Model) TSTG Symbol VCC VIN VID IK PD Value 20 -0.3 to VCC + 0.3 20 100 1000 1000 -65 to 150 >200
o
AP4302
Unit V V V mA mW
C
V
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings " for extended periods may affect device reliability.
Recommended Operating Conditions
Parameter Supply Voltage Ambient Temperature Min 3 -40 Max 18 85 Unit V
oC
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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Electrical Characteristics
Operating Conditions: VCC = +5V, TA= 25oC unless otherwise specified. Parameter Conditions Min Typ 1.0 1.2 Max 1.6 2.4 Unit mA
AP4302
Total Supply Current, Excluding V = 5V, no load, -40oC T 85oC CC A Current in Voltage Reference o VCC = 18V, no load, -40 C TA 85oC Voltage Reference Section Reference Voltage IKA = 10mA TA = 25oC 0.5% tolerance 1% tolerance 85oC 2.487 2.475
2.500
2.513 2.525
V
Reference Voltage Deviation over I = 10mA, T = -40 to KA A Full Temperature Range Minimum Cathode Current for Regulation Ratio of Change in VREF to that of IKA= 10mA Cathode Voltage Reference Current
5 0.1
24 0.2 2.7 2.0 4 1.2
mV mA mV/V
VREF to 10V 10V to 18V
1.0 0.5 0.7 0.4
IKA = 10mA, R1 = 10K, R2 =
A A
The Deviation of Reference Current VKA = VREF, IKA = 10mA, over Temperature TA = -40 to 85oC Off-State Cathode Current Dynamic Impedance VREF = 0, VKA = 18V IKA = 1.0 to 80mA, f<1kHz
0.05 0.2
1.0 0.5
A
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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Electrical Characteristics (Continued)
Operating Conditions: VCC = +5V, TA= 25oC unless otherwise specified. Parameter Conditions Min Typ Max Unit
AP4302
Op Amp Section (per Op Amp) (VCC = 5V, VO = 1.4V, TA = 25oC, unless otherwise noted) Input Offset Voltage TA = 25oC TA = -40 to 85oC Input Offset Voltage Temperature T = -40 to 85oC A Drift Input Offset Current Input Bias Current Input Voltage Range Common Mode Rejection Ratio Large Signal Voltage Gain Power Supply Rejection Ratio Output Current Source Sink Output Voltage Swing (High) Output Voltage Swing (Low) Slew Rate TA = 25oC TA = 25oC VCC = 0 to 18V TA = 25oC, VCM = 0 to 3.5V VCC = 15V, RL = 2k, VO = 1.4 to 11.4V VCC = 5 to 18V VCC = 15V, VID = 1V, VO = 2V VCC = 15V, VID = -1V, VO = 2V VCC = 18, RL = 10k, VID = 1V VCC = 18, RL = 10k, VID = -1V VCC = 18V, RL = 2k, AV = 1, VIN = 0.5 to 2V, CL = 100pF VCC = 18V, RL = 2k, CL = 100pF, VIN = 10mV, f=100kHz 0.3 0 70 85 70 20 85 100 90 40 7 0.5 3 5 mV
V/o C
30 150 VCC 1.5 nA nA V dB dB dB mA mA V 100
2 20
10
16
20
16.5 17
mV
V/ s
0.5 1
Gain Bandwidth Product
0.7
MHz
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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Typical Performance Characteristics AP4302
60
60
150
50 50
Cathode Current (mA)
100
VKA=VREF TA=25 C
Av (dB)
0
40
TA = 25 C IKA = 10mA
o
40
50
30
30
0
20
20
-50
10
10
-100 -2
-1
0
1
2
3
0 1K
0 10K 100K 1000K Small Signal Frequency
Cathode Voltage (V)
Figure 6. Cathode Current vs. Cathode Voltage
Figure 7. Voltage Reference Small Signal Voltage Gain vs. Frequency
110
5
Input
Input and Output Voltage (V)
100
4
Voltage Gain(dB)
3
90
2
Output
80
RL=2K RL=20K
70
1
0 0 2 4 6
60 0 2 4 6 8 10 12 14 16 18 20
Time (S)
Supply Voltage (V)
Figure 8. Pulse Response of Input and Output Voltage
Figure 9. Op Amp Voltage Gain
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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Typical Performance Characteristics (Continued) AP4302
110 100 90
30
25
Voltage Gain (dB)
80 70 60 50 40 30 20 10 0 1HZ 10HZ 100HZ 1kHZ
TA: -40 C to 85 C
Input Bias Current (nA)
20
o
o
VCC=15V
15
10
5
10kHZ
100kHZ
1MHZ
0 -40
-20
0
20
40
60
o
80
100
120
Frequency (Hz)
Ambient Temperature ( C)
Figure 10. Op Amp Open Loop Frequency Response
Figure 11. Op Amp Input Current
Apr. 2005 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Mechanical Dimensions DIP-16 Unit: mm(inch) AP4302
7.620(0.300)TYP 6 4 4 3.710(0.146) 4.310(0.170) 1.524(0.060)TYP 6 5
0.700(0.028)
3.200(0.126) 3.600(0.142) 3.000(0.118) Depth 0.050(0.002) 0.150(0.006) 0.204(0.008) 0.360(0.014) 8.200(0.323) 9.400(0.370)
0.254(0.010) 0.360(0.014) 0.560(0.022) 2.540(0.100) 0.510(0.020)MIN TYP 3.000(0.118) 3.600(0.142)
6.200(0.244) 6.600(0.260)
18.800(0.740) 19.200(0.756) R0.750(0.030)
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BCD Semiconductor Manufacturing Limited
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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Mechanical Dimensions (Continued) SOIC-16 Unit: mm(inch) AP4302
1.300(0.051)
1.000(0.039)
1.650(0.065)
7
0.700(0.028)
7
0.406(0.016) A 20:1 0.500(0.020) 0.600(0.024)
10.000(0.394)
2.000(0.079) Depth 0.060(0.002) 0.100(0.004)
B
0.250(0.010)
1 5 R0.200(0.008) R0.200(0.008)
1.270(0.050)
6.040(0.238)
0.203(0.008)
0.150(0.006) 0.250(0.010)
0.250(0.010) 0.200(0.008)MIN
C-C 50:1
3.940(0.155)
9.5
8
B 20:1 C 0.200(0.008) S 1.000(0.039) Depth 0.200(0.008) C
1.000(0.039)
3 7
8
8
A 0.400(0.016)x45
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BCD Semiconductor (Taiwan) Company Limited
Room 2210, 22nd Fl, 333, Keelung Road, Sec. 1, TaiPei (110), Taiwan Tel: +886-2-2758 6828, Fax: +886-2-2758 6892
IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifications herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others.

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