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TP2272-SR

TP2272-SR

  • 厂商:

    3PEAK(思瑞浦)

  • 封装:

    SOIC8_150MIL

  • 描述:

  • 数据手册
  • 价格&库存
TP2272-SR 数据手册
3PEAK TP2271/TP2272 /TP2274 36V Single Supply, 7MHz Bandwidth, RRO Op-amps Features Description The TP2271/TP2272/TP2274 are EMI Hardened 36V CMOS op-amps featuring EMIRR of 84dB at 900MHz. The devices are unity gain stable with 100pF capacitive load and high-speed with a wide 7MHz bandwidth and 20V/μs high slew rate, which makes the devices appropriated for I/V converters.  Gain-bandwidth Product: 7MHz  High Slew Rate: 20V/μs  High EMIRR: 84dB at 900MHz  Low Noise: 19 nV/√Hz(f= 1kHz)  Wide Supply Range: 2.7V to 36V  Low Offset Voltage: 1.0mV Maximum  Low Input Bias Current: 3pA Typical  Below-Ground (V-) Input Capability to -0.3V  Rail-to-Rail Output Voltage Range  High Output Current: 80mA (2.0V Drop)  Unit Gain Stable  3mm*2mm DFN Package for TP2274  –40°C to 125°C Operation Range  Robust 3kV – HBM and 2kV – CDM ESD Rating The TP227x op-amps offer lower noise, offset voltage, offset drift over temperature and bias current. In addition, the devices have better common-mode rejection and slew rates. Applications Digital Servo Control Loops  Machine and Motion Control Devices  Photodiode Pre-amp  Industrial Process Control  Temperature Measurements  Strain Gage Amplifier  Medical Instrumentation The TP2271 is single channel version available in 8-pin SOIC and 5-pin SOT23 packages. The TP2272 is dual channel version available in 8-pin SOIC and MSOP packages. The TP2274 is quad channel version available in 14-pin SOIC, TSSOP and DFN packages. 3PEAK and the 3PEAK logo are registered trademarks of 3PEAK INCORPORATED. All other trademarks are the property of their respective owners. Pin Configuration (Top View) TP2271 8-Pin SOIC TP2272 8-Pin SOIC/MSOP (-S Suffix) (-S and -V Suffixes) NC 1 8 NC Out A 1 ﹣In 2 7 ﹢Vs ﹣In A 2 ﹢In 3 6 Out ﹢In A 3 ﹣Vs 4 5 NC ﹣Vs 4 +In 8 ﹢Vs 7 Out B 6 ﹣In B 5 ﹢In B (-T Suffix) (-S , -T and -F Suffixes) 2 ﹣In A 2 3 ﹢In A 3 ﹢Vs 4 ﹢In B 5 ﹣Vs B 90 TP2274 14-Pin SOIC/TSSOP/DFN 1 1 A EMIRR IN+ vs. Frequency TP2271 5-Pin SOT23 Out A Out 5 ﹢Vs A 4 -In B www.3peakic.com.cn The TP227x family, exhibiting high input impedance and low noise, is excellent for small signal conditioning for high impedance sources, such as piezoelectric transducers. Because of the micro power dissipation levels, the devices work well in hand held monitoring and remote sensing applications. 14 Out D 13 ﹣In D 12 ﹢In D 11 ﹣Vs 10 ﹢In C D C ﹣In B 6 9 ﹣In C Out B 7 8 Out C 85 80 EMIRR IN+(dB)  The rail-to-rail output swing and input range that includes V– makes the TP227x ideal choices for interfacing to modern, single-supply and precision data converters. 75 70 65 60 55 50 400 4000 Frequency (MHz) REV B.02 1 TP2271 / TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps Order Information Model Name Order Number TP2271 TP2272 TP2274 Package Marking Information Transport Media, Quantity TP2271-SR 8-Pin SOIC Tape and Reel, 4,000 TP2271 TP2271-TR 5-Pin SOT23 Tape and Reel, 3,000 E22 TP2272-SR 8-Pin SOIC Tape and Reel, 4,000 TP2272 TP2272-VR 8-Pin MSOP Tape and Reel, 3,000 TP2272 TP2274-SR 14-Pin SOIC Tape and Reel, 2,500 TP2274 TP2274-TR 14-Pin TSSOP Tape and Reel, 3,000 TP2274 TP2274-FR 14-Pin DFN Tape and Reel, 3,000 2274 Absolute Maximum Ratings Note 1 + Supply Voltage: V – V – Note 2 ............................40.0V – Current at Supply Pins……………............... ±60mA + Input Voltage............................. V – 0.3 to V + 0.3 Input Current: +IN, –IN Operating Temperature Range........–40°C to 125°C ±20mA Maximum Junction Temperature................... 150°C Voltage Note 4..........................±0.5V Storage Temperature Range.......... –65°C to 150°C Output Short-Circuit Duration Note 5…......... Indefinite Lead Temperature (Soldering, 10 sec) ......... 260°C Differential Input Note 3.......................... Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The op amp supplies must be established simultaneously, with, or before, the application of any input signals. Note 3: The inputs are protected by ESD protection diodes to each power supply. If the input extends more than 500mV beyond the power supply, the input current should be limited to less than 10mA. Note 4: The differential input voltage must be in the range of Input Voltage: V– – 0.3 to V+ + 0.3 V Note 5: A heat sink may be required to keep the junction temperature below the absolute maximum. This depends on the power supply voltage and how many amplifiers are shorted. Thermal resistance varies with the amount of PC board metal connected to the package. The specified values are for short traces connected to the leads. ESD, Electrostatic Discharge Protection Symbol Parameter Condition HBM Human Body Model ESD MIL-STD-883H Method 3015.8 3 kV CDM Charged Device Model ESD JEDEC-EIA/JESD22-C101E 2 kV Thermal Resistance 2 Package Type θJA θJC Unit 5-Pin SOT23 250 81 ° C/W 8-Pin SOIC 158 43 ° C/W 8-Pin MSOP 210 45 ° C/W 14-Pin SOIC 120 36 ° C/W 14-Pin TSSOP 180 35 ° C/W 14-Pin DFN 100 34 ° C/W REV B.02 www.3peakic.com.cn Minimum Level Unit TP2271/TP2272 / TP2274 Electrical Characteristics 36V Single supply, 7MHz Bandwidth, RRO Op-amps The specifications are at TA = 27° C. VS = ±15V, VCM = 0V, RL = 2kΩ, CL =100pF.Unless otherwise noted. SYMBOL VOS VOS TC IB PARAMETER Input Offset Voltage Input Offset Voltage Drift Input Bias Current CONDITIONS MIN TYP MAX UNITS VCM = 0V -1.0 ± 0.4 +1.0 mV VS = 5V, VCM = 2.5V -1.0 ± 0.4 2 +1.0 mV -40° C to 125° C TA = 27 ° C pA TA = 85 ° C 250 pA TA = 125 ° C 7.7 nA 0.001 pA 2.35 μVRMS 19 nV/√Hz IOS Input Offset Current Vn Input Voltage Noise f = 0.1Hz to 10Hz en Input Voltage Noise Density CIN Input Capacitance f = 1kHz Differential Common Mode VCM = -14.5V to 13V CMRR PSRR Common Mode Rejection Ratio Common-mode Input Voltage Range Power Supply Rejection Ratio AVOL Open-Loop Large Signal Gain VOL, VOH VCM μV/° C 3 90 4 2.5 126 V– -0.3 pF dB V+-2.0 V 90 130 dB RLOAD = 2kΩ 95 118 dB Output Swing from Supply Rail RLOAD = 100kΩ 50 ROUT Closed-Loop Output Impedance G = 1, f =1kHz, IOUT = 0 0.01 Ω RO Open-Loop Output Impedance f = 1kHz, IOUT = 0 125 Ω ISC Output Short-Circuit Current Sink or source current 80 mA VS Supply Voltage IQ Quiescent Current per Amplifier mV 2.7 36 V 900 μA PM Phase Margin RLOAD = 2kΩ, CLOAD = 100pF 60 ° GM Gain Margin RLOAD = 2kΩ, CLOAD = 100pF 8 dB Gain-Bandwidth Product f = 1kHz AV = 1, VOUT = 0V to 10V, CLOAD = 100pF, RLOAD = 2kΩ 7 MHz 20 V/μs 210 1 1 kHz 0.0001 % 110 dB GBWP SR FPBW tS THD+N Xtalk Slew Rate Full Power Bandwidth Note 1 Settling Time, 0.1% Settling Time, 0.01% Total Harmonic Distortion and Noise Channel Separation AV = –1, 10V Step f = 1kHz, AV =1, RL = 2kΩ, VOUT = 3.5VRMS f = 1kHz, RL = 2kΩ μs Note 1: Full power bandwidth is calculated from the slew rate FPBW = SR/π • VP-P www.3peakic.com.cn REV B.02 3 TP2271 / TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps Typical Performance Characteristics VS = ±15V, VCM = 0V, RL = Open, unless otherwise specified. Offset Voltage Production Distribution Unity Gain Bandwidth vs. Temperature 8 200 180 160 GBW(MHz) Population 140 120 100 80 60 7 6 40 20 5 0 -1.1 -0.9 -0.7 -0.5 -0.3 -0.1 0.1 0.3 0.5 0.7 0.9 -50 1.1 0 50 Temp ℃)( Offset Voltage(mV) Open-Loop Gain and Phase 1k Gain(dB) & Phase Phase 80 30 n Vz/ ) N o i s e (√H =30V VVDDDD=12V RL= 1Ω Ω k RL=1k 130 100 10 Open Loop Gain 1 -20 1 10 100 1k 10k 100k Frequency (Hz) 1M 0.1 10M 100M 1E-08 1E-10 1E-12 1E-14 1E-16 1 10 100 1k 10k 100k 1M Frequency (Hz) Input Bias Current vs. Input Common Mode Voltage Input Bias Current (A) Input Bias Current vs. Temperature Input Bias Current (A) 150 Input Voltage Noise Spectral Density 180 1E-11 1E-13 1E-15 1E-18 -50 4 100 0 50 Temperature (C) REV B.02 www.3peakic.com.cn 100 -6 -3 0 3 6 Common Mode Voltage (V) TP2271/TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps Typical Performance Characteristics VS = ±15V, VCM = 0V, RL = Open, unless otherwise specified. (Continued) Common Mode Rejection Ratio CMRR vs. Frequency 140 150 120 CMRR(dB) CMRR(dB) 100 100 80 60 40 20 0 50 -15 -12 -9 0.1 -6 -3 0 3 6 9 12 15 Common Mode Voltage (V) 1k 100k 10M Frequency (Hz) Quiescent Current vs. Temperature Short Circuit Current vs. Temperature 1.4 86 1.2 1 ishort(m A) Supply Current (mA) 10 0.8 0.6 Isink 84 Isorce 82 0.4 0.2 80 0 -50 0 50 100 -50 150 0 Temperature (℃) Power-Supply Rejection Ratio 100 Quiescent Current vs. Supply Voltage 0.93 140 0.92 Supply Current (mA) 120 100 PSRR(dB) 50 Temperature (C) 80 60 40 20 0.91 0.9 0.89 0.88 0.87 0.86 0 0.1 10 1k 100k Frequency (Hz) www.3peakic.com.cn 10M 0.85 0 2 4 6 8 Supply Voltage (V) REV B.02 10 12 14 5 TP2271 / TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps Typical Performance Characteristics VS = ±15V, VCM = 0V, RL = Open, unless otherwise specified. (Continued) Power-Supply Rejection Ratio vs. Temperature CMRR vs. Temperature CM RR(dB) PSRR (dB) 124 122 120 118 116 -50 0 50 Temperature (C) 100 132 130 128 126 124 122 120 118 116 114 112 110 -50 EMIRR IN+ vs. Frequency 0 50 100 T em p er atu r e (C) Large-Scale Step Response 90 Output Voltage (2V/div) 85 EMIRR IN+(dB) 80 75 70 65 60 55 50 400 4000 Frequency (MHz) Time (50μs/div) Positive Over-Voltage Recovery 2V/div G = +1 RL=10KΩ G = +10 ±V= ±2.5V G = +10 ±V= ±15V 5V/div 2V/div 2V/div Negative Over-Voltage Recovery Time (0.5μs/div) 6 G = +1 RL=10KΩ REV B.02 www.3peakic.com.cn Time (0.5μs/div) TP2271/TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps Typical Performance Characteristics VS = ±15V, VCM = 0V, RL = Open, unless otherwise specified. (Continued) Negative Output Swing vs. Load Current Positive Output Swing vs. Load Current 4 12 V OUT(V ) VOUT(V) 3.5 10 -40℃ 125℃ 3 27℃ 2.5 2 -40℃ 1.5 8 1 27℃ 125℃ 6 0 0.02 0.04 0.06 IOUT(A) www.3peakic.com.cn 0.08 0.5 0 0.1 0 0.02 0.04 0.06 I OUT(A) REV B.02 0.08 0.1 7 TP2271 / TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps Pin Functions – -IN: Inverting Input of the Amplifier. Voltage range of this – + pin can go from V to (V - 2.0V). – V or VS: Negative Power Supply. It is normally tied to ground. It can also be tied to a voltage other than + – ground as long as the voltage between V and V is from 2.7V to 36V. If it is not connected to ground, bypass it with a capacitor of 0.1μF as close to the part as possible. +IN: Non-Inverting Input of Amplifier. This pin has the same voltage range as –IN. V+ or +VS: Positive Power Supply. Typically the voltage is from 2.7V to 36V. Split supplies are possible as long as the voltage between V+ and V– is between 2.7V and 36V. A bypass capacitor of 0.1μF as close to the part as possible should be used between power supply pins or between supply pins and ground. OUT: Amplifier Output. The voltage range extends to within milli-volts of each supply rail. N/C: No connection. The exposed thermal pad of DFN package should be left floated. Operation – + The TP227x op-amps have input signal range from V to (V – 2.0V). The output can extend all the way to the supply rails. The input stage is comprised of a PMOS differential amplifier. The Class-AB control buffer and output bias stage uses a proprietary compensation technique to take full advantage of the process technology to drive very high capacitive loads. This is evident from the transient over shoot measurement plots in the Typical Performance Characteristics. Applications Information EMI Harden The EMI hardening makes the TP2271/2272/2274 a must for almost all op amp applications. Most applications are exposed to Radio Frequency (RF) signals such as the signals transmitted by mobile phones or wireless computer peripherals. The TP2271/2272/2274 will effectively reduce disturbances caused by RF signals to a level that will be hardly noticeable. This again reduces the need for additional filtering and shielding Using this EMI resistant series of op amps will thus reduce the number of components and space needed for applications that are affected by EMI, and will help applications, not yet identified as possible EMI sensitive, to be more robust for EMI. Wide Supply Voltage The TP2271/2272/2274 operational amplifiers can operate with power supply voltages from 2.7V to 36V. Each amplifier draws 0.8mA quiescent current at 36V supply voltage. The TP2271/2272/2274 is optimized for wide bandwidth low power applications. They have an industry leading high GBW to power ratio and the GBW remains nearly constant over specified temperature range. Low Input Bias Current The TP2271/2272/2274 is a CMOS OPA family and features very low input bias current in pA range. The low input bias current allows the amplifiers to be used in applications with high resistance sources. Care must be taken to minimize PCB Surface Leakage. See below section on “PCB Surface Leakage” for more details. PCB Surface Leakage In applications where low input bias current is critical, Printed Circuit Board (PCB) surface leakage effects need to be considered. Surface leakage is caused by humidity, dust or other contamination on the board. Under low humidity 12 conditions, a typical resistance between nearby traces is 10 Ω. A 5V difference would cause 5pA of current to flow, 8 REV B.02 www.3peakic.com.cn TP2271/TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps which is greater than the TP2271/2272/2274 OPA’s input bias current at +27°C (±3pA, typical). It is recommended to use multi-layer PCB layout and route the OPA’s -IN and +IN signal under the PCB surface. The effective way to reduce surface leakage is to use a guard ring around sensitive pins (or traces). The guard ring is biased at the same voltage as the sensitive pin. An example of this type of layout is shown in Figure 1 for Inverting Gain application. 1. For Non-Inverting Gain and Unity-Gain Buffer: a) Connect the non-inverting pin (VIN+) to the input with a wire that does not touch the PCB surface. b) Connect the guard ring to the inverting input pin (V IN–). This biases the guard ring to the Common Mode input voltage. 2. For Inverting Gain and Trans-impedance Gain Amplifiers (convert current to voltage, such as photo detectors): a) Connect the guard ring to the non-inverting input pin (VIN+). This biases the guard ring to the same reference voltage as the op-amp (e.g., VDD/2 or ground). b) Connect the inverting pin (VIN–) to the input with a wire that does not touch the PCB surface. Guard Ring VIN+ VIN- +VS Figure 1 The Layout of Guard Ring Ground Sensing and Rail to Rail Output The TP2271/2272/2274 family has excellent output drive capability. It drives 2k load directly with good THD performance. The output stage is a rail-to-rail topology that is capable of swinging to within 50mV of either rail. The maximum output current is a function of total supply voltage. As the supply voltage to the amplifier increases, the output current capability also increases. Attention must be paid to keep the junction temperature of the IC below 150°C when the output is in continuous short-circuit. The output of the amplifier has reverse-biased ESD diodes connected to each supply. The output should not be forced more than 0.3V beyond either supply, otherwise current will flow through these diodes. Power Supply Layout and Bypass The TP2271/2272/2274 OPA’s power supply pin (VDD for single-supply) should have a local bypass capacitor (i.e., 0.01μF to 0.1μF) within 2mm for good high frequency performance. It can also use a bulk capacitor (i.e., 1μF or larger) within 100mm to provide large, slow currents. This bulk capacitor can be shared with other analog parts. Ground layout improves performance by decreasing the amount of stray capacitance and noise at the OPA’s inputs and outputs. To decrease stray capacitance, minimize PC board lengths and resistor leads, and place external components as close to the op amps’ pins as possible. Proper Board Layout To ensure optimum performance at the PCB level, care must be taken in the design of the board layout. To avoid leakage currents, the surface of the board should be kept clean and free of moisture. Coating the surface creates a barrier to moisture accumulation and helps reduce parasitic resistance on the board. Keeping supply traces short and properly bypassing the power supplies minimizes power supply disturbances due to output current variation, such as when driving an ac signal into a heavy load. Bypass capacitors should be connected as closely as possible to the device supply pins. Stray capacitances are a concern at the outputs and the inputs of the amplifier. It is recommended that signal traces be kept at least 5mm from supply lines to minimize coupling. A variation in temperature across the PCB can cause a mismatch in the Seebeck voltages at solder joints and other points where dissimilar metals are in contact, resulting in thermal voltage errors. To minimize these thermocouple effects, orient resistors so heat sources warm both ends equally. Input signal paths should contain matching numbers and types of components, where possible to match the number and type of thermocouple junctions. For example, dummy components such as zero value resistors can be used to match real resistors in the opposite input path. Matching components should be located in close proximity and should be oriented in the same manner. Ensure leads www.3peakic.com.cn REV B.02 9 TP2271 / TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps are of equal length so that thermal conduction is in equilibrium. Keep heat sources on the PCB as far away from amplifier input circuitry as is practical. The use of a ground plane is highly recommended. A ground plane reduces EMI noise and also helps to maintain a constant temperature across the circuit board. R4 22kΩ R1 R2 R3 2.7kΩ 22kΩ 10kΩ VIN C1 3000pF C3 100pF ½ TP2272 VO C2 2000pF fp  20kHz Three-Pole Low-Pass Filter 10 REV B.02 www.3peakic.com.cn TP2271/TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps Package Outline Dimensions SOT23-5 D A2 A1 θ L1 e Symbol E1 E e1 www.3peakic.com.cn Dimensions In Millimeters In Inches Min Max Min Max A1 0.000 0.100 0.000 0.004 A2 1.050 1.150 0.041 0.045 b 0.300 0.400 0.012 0.016 D 2.820 3.020 0.111 0.119 E 1.500 1.700 0.059 0.067 E1 2.650 2.950 0.104 0.116 e b Dimensions 0.950TYP 0.037TYP e1 1.800 2.000 0.071 0.079 L1 0.300 0.460 0.012 0.024 θ 0° 8° 0° 8° REV B.02 11 TP2271 / TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps Package Outline Dimensions SO-8 (SOIC-8) A2 C θ L1 A1 e E D Symbol E1 b 12 REV B.02 www.3peakic.com.cn Dimensions Dimensions In In Millimeters Inches Min Max Min Max A1 0.100 0.250 0.004 0.010 A2 1.350 1.550 0.053 0.061 b 0.330 0.510 0.013 0.020 C 0.190 0.250 0.007 0.010 D 4.780 5.000 0.188 0.197 E 3.800 4.000 0.150 0.157 E1 5.800 6.300 0.228 0.248 e 1.270 TYP 0.050 TYP L1 0.400 1.270 0.016 0.050 θ 0° 8° 0° 8° TP2271/TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps Package Outline Dimensions MSOP-8 Dimensions Dimensions In In Millimeters Inches Min Max Min Max A 0.800 1.200 0.031 0.047 A1 0.000 0.200 0.000 0.008 A2 0.760 0.970 0.030 0.038 b 0.30 TYP 0.012 TYP C 0.15 TYP 0.006 TYP D 2.900 e 0.65 TYP E 2.900 3.100 0.114 0.122 E1 4.700 5.100 0.185 0.201 L1 0.410 0.650 0.016 0.026 θ 0° 6° 0° 6° Symbol E E1 A A2 e b D 3.100 0.114 0.122 0.026 A1 R1 R θ L1 www.3peakic.com.cn L L2 REV B.02 13 TP2271 / TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps Package Outline Dimensions TSSOP-14 Dimensions E1 E A A2 e c D Symbol In Millimeters MIN TYP MAX A - - 1.20 A1 0.05 - 0.15 A2 0.90 1.00 1.05 b 0.20 - 0.28 c 0.10 - 0.19 D 4.86 4.96 5.06 E 6.20 6.40 6.60 E1 4.30 4.40 4.50 e L A1 R1 R θ L1 14 L REV B.02 www.3peakic.com.cn L2 0.65 BSC 0.45 0.60 L1 1.00 REF L2 0.25 BSC 0.75 R 0.09 - - θ 0° - 8° TP2271/TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps Package Outline Dimensions SO-14 (SOIC-14) D E1 Dimensions E In Millimeters Symbol e b A A2 MIN TYP MAX A 1.35 1.60 1.75 A1 0.10 0.15 0.25 A2 1.25 1.45 1.65 b 0.36 D 8.53 8.63 8.73 E 5.80 6.00 6.20 E1 3.80 3.90 4.00 e A1 L www.3peakic.com.cn 1.27 BSC 0.45 0.60 0.80 L1 1.04 REF L2 0.25 BSC θ L L1 0.49 0° 8° θ L2 REV B.02 15 TP2271 / TP2272 / TP2274 36V Single supply, 7MHz Bandwidth, RRO Op-amps Package Outline Dimensions DFN-14 Dimensions In Millimeters Symbol A MIN TYP MAX 0.7 0.75 0.8 0.02 0.05 A1 16 REV B.02 www.3peakic.com.cn b 0.15 0.18 0.25 c 0.18 0.20 0.25 D 2.90 3.00 3.10 D2 2.40 2.50 2.60 e 0.40 Nd 2.40 E 1.90 2.00 2.10 E2 0.70 0.80 0.90 L 0.30 0.35 0.40 H 0.20 0.25 0.30
TP2272-SR 价格&库存

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TP2272-SR
    •  国内价格
    • 1+0.99340
    • 200+0.68540
    • 2000+0.62270
    • 4000+0.58240

    库存:0