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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE General Description
The AP4303 is a monolithic IC that contains quad operational amplifiers and a precision shunt regulator, 1.25Vfor AP4303-C or 1.24V for AP4303-D respectively. It is specifically designed to regulate the output current and voltage levels of switching battery chargers and power supplies. The four Op Amps feature accurate voltage and current control. Combining a stable voltage reference with the four Op Amps makes AP4303 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 AP4303 is available in standard packages of DIP16 and SOIC-16.
AP4303
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 Output Voltage Reference: 1.25V for AP4303-C and 1.24V for AP4303-D
Applications
* * Battery Charger Switching Power Supply
SOIC-16
DIP-16
Figure 1. Package Types of AP4303
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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
AP4303
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 AP4303
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 AP4303
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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Functional Block Diagram (Continued)
VCC
AP4303
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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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Ordering Information
AP4303 Circuit Type Voltage Tolerance A: 0.5% B: 1% Package M: SOIC-16 P: DIP-16 E1: Lead Free Blank: Tin Lead TR: Tape and Reel Blank: Tube Output Voltage Reference C: 1.25V D: 1.24V
AP4303
Package
Reference Voltage Voltage Tolerance 1.25V 0.5% 1% 0.5% 1% 0.5% 1.25V 1%
Temperature Range
Part Number Tin Lead AP4303AP-C Lead Free AP4303AP-CE1 AP4303BP-CE1 AP4303AP-DE1 AP4303BP-DE1 AP4303AM-CE1
Marking ID Tin Lead AP4303AP-C AP4303BP-C AP4303AP-D AP4303BP-D Lead Free AP4303AP-CE1 AP4303BP-CE1 AP4303AP-DE1 AP4303BP-DE1
Packing Type
DIP-16 1.24V
-40 to
85oC
AP4303BP-C AP4303AP-D AP4303BP-D AP4303AM-C
Tube
AP4303AM-C AP4303AM-CE1
Tube Tape & Reel Tube Tape & Reel Tube Tape & Reel Tube Tape & Reel
AP4303AM-CTR AP4303AM-CTRE1 AP4303AM-C AP4303AM-CE1 AP4303BM-C -40 to 85oC AP4303BM-CE1 AP4303BM-C AP4303BM-CE1
AP4303BM-CTR AP4303BM-CTRE1 AP4303BM-C AP4303BM-CE1 AP4303AM-D AP4303AM-DE1 AP4303AM-D AP4303AM-DE1
SOIC-16 0.5% 1.24V 1%
AP4303AM-DTR AP4303AM-DTRE1 AP4303AM-D AP4303AM-DE1 AP4303BM-D AP4303BM-DE1 AP4303BM-D AP4303BM-DE1
AP4303BM-DTR AP4303BM-DTRE1 AP4303BM-D AP4303BM-DE1
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) Op Amp Input Voltage Range Op Amp Input Differentials Voltage Voltage Reference Cathode Current (Pin 9) 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
AP4303
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
o
C
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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
AP4303
Total Supply Current, Excluding V = 5V, no load, -40oC T 85oC CC A Current in Voltage Reference VCC = 18V, no load, -40oC TA 85oC Voltage Reference Section Reference Voltage for AZ4303C IKA= 10mA TA = Reference Voltage for AZ4303D 25oC 0.5% tolerance 1% tolerance 0.5% tolerance 1% tolerance 1.244 1.237 1.234 1.227
1.250
1.256 1.263
V
IKA = 10mA TA = 25oC
1.240
1.246 1.252
V
Reference Voltage Deviation over I = 10mA, T = -40 to 85oC KA A Full Temperature Range Minimum Cathode Current for Regulation VREF ~ 10V 10V ~ 18V
5 0.1 1.0 0.5 0.7 0.4
17 0.2 2.7 2.0 4 1.2
mV mA mV/V
Ratio of Change in VREF to that of IKA = 10mA Cathode Voltage Reference Current
IKA = 10mA, R1 = 10K, R2 =
A A
The Deviation of Reference Current VKA = VREF, IKA = 10mA, over Temperature TA = -40oC to 85oC Off-State Cathode Current Dynamic Impedance Op Amp Section (per OPA) (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 TA = 25oC TA = 25oC VREF = 0, VKA = 18V IKA = 1.0 to 80mA, f<1kHz
0.05 0.2
1.0 0.5
A
0.5
3 5 7
mV
V/ oC
nA nA
2 20
30 150
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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 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 2 20 0.5 3 5 7 mV Conditions Min Typ Max Unit
AP4303
V/ oC
nA nA V dB dB dB mA mA V
30 150 VCC 1.5
10
16
20
16.5 17 100
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 AP4303
150
150
100
Cathode Current (mA)
AP4303-C VKA=VREF Cathode Current (mA) TA=25 C
o
100
50
AP4303-D VKA=VREF TA=25 C
o
50
0
0
-50
-50
-100
-100
-150 -1 0 1
-150 -1 0 1
Cathode Voltage (V)
Cathode Voltage (V)
Figure 6. Cathode Current vs. Cathode Voltage
Figure 7.Cathode Current vs. Cathode Voltage
1K 60
10K
100K
1000K
60
5
40 Av (dB)
TA = 25 C IKA = 10mA
o
Input and Output Voltage (V)
50
50
Input
4
40
3
30
30
TA=25 C
o
20
20
2
Output
1
10
10
0 1K
0 10K 100K 1000K Small Signal Frequency
0 0 2 4 6
Time (S)
Figure 8. Voltage Reference Small Signal Voltage Gain vs. Frequency
Figure 9. Pulse Response of VREF with respect to VKA
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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Typical Performance Characteristics (Continued) AP4303
30
110
25
100
Input Bias Current (nA)
Voltage Gain(dB)
20
VCC=15V
90
15
80
10
RL=2K RL=20K
70
5
0 -40
-20
0
20
40
60
o
80
100
120
60 0 2 4 6 8 10 12 14 16 18 20
Ambient Temperature ( C)
Supply Voltage (V)
Figure10. Op Amp Input Current
Figure 11. Op Amp Voltage Gain
110 100 90
VCC: 10V to 15VDC TA: -40 C to 85 C
R 10M
Voltage Gain(dB)
80 70 60
0.1uF
o
o
50 40 30 20 10 0 1HZ 10HZ
VIN VCC/2
VCC VO
100HZ
1kHZ
10kHZ
100kHZ
1MHZ
Frequency
Figure 12. Open Loop Frequency Response
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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Mechanical Dimensions DIP-16 Unit: mm(inch) AP4303
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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Data Sheet QUAD OP AMP AND VOLTAGE REFERENCE Mechanical Dimensions (Continued) SOIC-16 Unit: mm(inch) AP4303
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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