TSV630 - TSV631 Rail-to-rail input/output 60 µA 880 kHz CMOS operational amplifier Features ■ Low offset voltage: 500 µV max (A version) ■ Low power consumption: 60 µA typ at 5 V ■ Low supply voltage: 1.5 V - 5.5 V ■ Gain bandwidth product: 880 kHz typ ■ Unity gain stability ■ Low power shutdown mode: 5 nA typ ■ High output current: 63 mA at VCC = 5 V ■ Low input bias current: 1 pA typ ■ Rail-to-rail input and output ■ Extended temperature range: -40°C to +125°C Applications 6 VCC In+ 1 VDD 2 + _ In- 3 5 SHDN 4 Out TSV630ICT/ILT SC70-6/SOT23-6 5 VCC In+ 1 VDD 2 In- 3 + _ 4 Out TSV631ICT/ILT SC70-5/SOT23-5 ■ Battery-powered applications ■ Portable devices The devices are internally adjusted to provide very narrow dispersion of AC and DC parameters, especially power consumption, product gain bandwidth and slew rate. ■ Signal conditioning The TSV630 provides a shutdown function. ■ Active filtering ■ Medical instrumentation Description The TSV630 and TSV631 devices are single operational amplifiers offering low voltage, low power operation and rail-to-rail input and output. With a very low input bias current and low offset voltage (500 µV maximum for the A version), the TSV630 and TSV631 are ideal for applications that require precision. The devices can operate at power supplies ranging from 1.5 to 5.5 V, and are therefore ideal for battery-powered devices, extending battery life. Both the TSV630 and TSV631 have a high tolerance to ESD, sustaining 4 kV for the human body model. Additionally, they are offered in micropackages, SC70-6 and SOT23-6 for the TSV630 and SC70-5 and SOT23-5 for the TSV631. They are guaranteed for industrial temperature ranges from -40° C to +125° C. All these features combined make the TSV630 and TSV631 ideal for sensor interfaces, battery-supplied and portable applications, as well as active filtering. These products feature an excellent speed/power consumption ratio, offering a 880 kHz gain bandwidth while consuming only 60 µA at a 5-V supply voltage. These op-amps are unity gain stable for capacitive loads up to 100 pF. December 2008 Rev 1 1/23 www.st.com 23 Absolute maximum ratings and operating conditions 1 TSV630 - TSV631 Absolute maximum ratings and operating conditions Table 1. Absolute maximum ratings (AMR) Symbol VCC Vid Vin Iin SHDN Parameter Supply voltage (1) Differential input voltage Input voltage (3) Input current (4) Shutdown voltage (2) (3) Value Unit 6 V ±VCC V VDD-0.2 to VCC+0.2 V 10 mA 6 V -65 to +150 °C Tstg Storage temperature Rthja Thermal resistance junction to ambient(5)(6) SC70-5 SOT23-5 SOT23-6 SC70-6 205 250 240 232 Maximum junction temperature 150 °C 4 kV 300 V 1.5 kV 200 mA Tj HBM: human body ESD model(7) (8) MM: machine model CDM: charged device model (9) Latch-up immunity °C/W 1. All voltage values, except differential voltages, are with respect to network ground terminal. 2. Differential voltages are the non-inverting input terminal with respect to the inverting input terminal. 3. VCC-Vin must not exceed 6 V. 4. Input current must be limited by a resistor in series with the inputs. 5. Short-circuits can cause excessive heating and destructive dissipation. 6. Rth are typical values. 7. Human body model: 100 pF discharged through a 1.5 kΩ resistor between two pins of the device, done for all couples of pin combinations with other pins floating. 8. Machine model: a 200 pF capacitor is charged to the specified voltage, then discharged directly between two pins of the device with no external series resistor (internal resistor < 5 Ω), done for all couples of pin combinations with other pins floating. 9. Charged device model: all pins plus package are charged together to the specified voltage and then discharged directly to the ground. Table 2. Operating conditions Symbol 2/23 Parameter VCC Supply voltage Vicm Common mode input voltage range Toper Operating free air temperature range Value Unit 1.5 to 5.5 V VDD -0.1 to VCC +0.1 V -40 to +125 °C TSV630 - TSV631 Electrical characteristics 2 Electrical characteristics Table 3. Electrical characteristics at VCC = +1.8 V with VDD = 0 V, Vicm = VCC/2, Tamb = 25° C and RL connected to VCC/2 (unless otherwise specified) Symbol Parameter Conditions Min. Typ. Max. Unit TSV630-TSV631 TSV630A-TSV631A 3 0.5 mV Tmin < Top < Tmax TSV630-TSV631 TSV630A-TSV631A 4.5 2 DC performance Vio DVio Offset voltage Input offset voltage drift Iio Input offset current (Vout = VCC/2) Iib Input bias current (Vout = VCC/2) CMR Common mode rejection ratio 20 log (ΔVic/ΔVio) Avd Large signal voltage gain VOH High level output voltage VOL Low level output voltage Iout Isource ICC 1 10(1) 1 100 1 10(1) 1 100 pA Tmin < Top < Tmax pA Tmin < Top < Tmax 0 V to 1.8 V, Vout = 0.9 V 53 Tmin < Top < Tmax 51 RL= 10 kΩ, Vout = 0.5 V to 1.3 V 85 Tmin < Top < Tmax 80 RL = 10 kΩ 35 Tmin < Top < Tmax 50 74 dB 95 dB 5 mV RL = 10 kΩ 4 Supply current SHDN = VCC 35 mV Tmin < Top < Tmax Isink μV/°C 2 50 Vo = 1.8 V 6 Tmin < Top < Tmax 4 Vo = 0 V 6 Tmin < Top < Tmax 4 No load, Vout =VCC/2 40 12 mA 10 mA 50 Tmin < Top < Tmax 60 µA 62 AC performance Gain bandwidth product RL = 2 kΩ, CL=100 pF, f= 100 kHz φm Phase margin Gm GBP 700 790 kHz RL = 2 kΩ, CL = 100 pF 48 Degrees Gain margin RL = 2 kΩ, CL = 100 pF 11 dB SR Slew rate RL = 2 kΩ, CL = 100 pF, Av = 1 0.27 V/μs en Equivalent input noise voltage f = 1 kHz f = 10 kHz 65 35 nV -----------Hz 0.2 1. Guaranteed by design. 3/23 Electrical characteristics Table 4. TSV630 - TSV631 Shutdown characteristics VCC = 1.8 V Symbol Parameter Conditions Min. Typ. Max. Unit 2.5 50 nA DC performance SHDN < VIL Supply current in shutdown mode (all operators) Tmin < Top < 85° C 200 nA Tmin < Top < 125° C 1.5 µA ton Amplifier turn-on time RL = 2 k, Vout = VDD + 0.2 to VCC - 0.2 300 ns toff Amplifier turn-off time RL = 2 k, Vout = VDD + 0.2 to VCC - 0.2 20 ns VIH SHDN logic high VIL SHDN logic low IIH SHDN current high SHDN = VCC 10 pA IIL SHDN current low SHDN = VDD 10 pA Output leakage in shutdown mode SHDN = VDD 50 pA Tmin < Top < 125° C 1 nA ICC IOLeak 4/23 1.3 V 0.5 V TSV630 - TSV631 Table 5. Electrical characteristics VCC = +3.3 V, VDD = 0 V, Vicm = VCC/2, Tamb = 25° C, RL connected to VCC/2 (unless otherwise specified) Symbol Parameter Conditions Min. Typ. Max. Unit TSV630-TSV631 TSV630A-TSV631A 3 0.5 mV Tmin < Top < Tmax TSV630-TSV631 TSV630A-TSV631A 4.5 2 DC performance Vio DVio Offset voltage Input offset voltage drift Iio Input offset current Iib Input bias current CMR Large signal voltage gain VOH High level output voltage VOL Low level output voltage 1 100 1 10(1) 1 100 0 V to 3.3 V, Vout = 1.75 V 57 Tmin < Top < Tmax 53 RL = 10 kΩ, Vout = 0.5 V to 2.8 V 88 Tmin < Top < Tmax 83 RL = 10 kΩ 35 Tmin. < Top < Tmax 50 79 dB 98 dB 6 mV RL = 10 kΩ 7 Iout Isource Supply current SHDN = VCC 35 mV Tmin < Top < Tmax Isink ICC 10(1) pA Tmin < Top < Tmax Avd 1 pA Tmin < Top < Tmax Common mode rejection ratio 20 log (ΔVic/ΔVio) μV/°C 2 50 Vo = 3.3 V 30 45 Tmin < Top < Tmax 25 42 Vo = 0 V 30 38 Tmin < Top < Tmax 25 No load, Vout = 1.75 V 43 mA mA 55 Tmin < Top < Tmax 64 µA 66 µA AC performance Gain bandwidth product RL = 2 kΩ, CL = 100 pF, f = 100 kHz φm Phase margin Gm GBP 710 860 kHz RL = 2 kΩ, CL = 100 pF 50 Degrees Gain margin RL = 2 kΩ, CL= 100 pF 11 dB SR Slew rate RL = 2 kΩ, CL = 100 pF, Av = 1 0.29 V/μs en Equivalent input noise voltage f = 1 kHz 65 nV -----------Hz 0.22 1. Guaranteed by design. 5/23 Electrical characteristics Table 6. TSV630 - TSV631 Electrical characteristics at VCC = +5 V with VDD = 0 V, Vicm = VCC/2, Tamb = 25° C and RL connected to VCC/2 (unless otherwise specified) Symbol Parameter Conditions Min. Typ. Max. Unit TSV630-TSV631 TSV630A-TSV631A 3 0.5 mV Tmin < Top < Tmax TSV630-TSV631 TSV630A-TSV631A 4.5 2 DC performance Vio DVio Offset voltage μV/°C Input offset voltage drift 2 Input offset current (Vout = VCC/2) 1 10(1) Iio 1 100 Input bias current (Vout = VCC/2) 1 10(1) Iib 1 100 CMR SVR Common mode rejection ratio 20 log (ΔVic/ΔVio) Supply voltage rejection ratio 20 log (ΔVCC/ΔVio) Avd Large signal voltage gain VOH High level output voltage VOL Low level output voltage Iout Isource ICC pA Tmin < Top < Tmax pA Tmin < Top < Tmax 0 V to 5 V, Vout = 2.5 V 60 Tmin < Top < Tmax 55 VCC = 1.8 to 5 V 75 80 dB 102 dB Tmin < Top < Tmax RL= 10 kΩ, Vout= 0.5 V to 4.5 V 89 Tmin < Top < Tmax 84 RL = 10 kΩ 35 Tmin < Top < Tmax 50 98 dB 7 mV RL = 10 kΩ 6 Supply current SHDN = VCC 35 mV Tmin < Top < Tmax Isink mV 50 Vo = 5 V 40 69 Tmin < Top < Tmax 35 65 Vo = 0 V 40 74 Tmin < Top < Tmax 36 68 No load, Vout=VCC/2 50 60 mA Tmin < Top < Tmax mA 69 µA 72 AC performance Gain bandwidth product RL = 2 kΩ, CL= 100 pF, f = 100 kHz Fu Unity gain frequency φm 880 kHz RL = 2 kΩ, CL = 100 pF, 830 kHz Phase margin RL = 2 kΩ, CL = 100 pF 50 Degrees Gm Gain margin RL = 2 kΩ, CL = 100 pF 12 dB SR Slew rate RL = 2 kΩ, CL = 100 pF, Av = 1 0.34 V/μs GBP 6/23 730 0.25 TSV630 - TSV631 Table 6. Electrical characteristics Electrical characteristics at VCC = +5 V with VDD = 0 V, Vicm = VCC/2, Tamb = 25° C and RL connected to VCC/2 (unless otherwise specified) (continued) Symbol Parameter en Equivalent input noise voltage f = 1 kHz f = 10 kHz Total harmonic distortion f = 1 kHz, AV = 1, RL = 100 kΩ, Vicm = VCC/2, Vout = 2 VPP THD+en Conditions Min. Typ. Max. Unit 65 35 nV -----------Hz 0.0017 % 1. Guaranteed by design. Table 7. Shutdown characteristics VCC = 5 V Symbol Parameter Conditions Min. Typ. Max. Unit 5 50 nA Tmin < Top < 85° C 200 nA Tmin < Top < 125° C 1.5 µA DC performance SHDN<VIL ICC Supply current in shutdown mode (all operators) ton Amplifier turn-on time RL = 2 k, Vout = VDD + 0.2 to VCC - 0.2 300 ns toff Amplifier turn-off time RL = 2 k, Vout = VDD + 0.2 to VCC - 0.2 30 ns VIH SHDN logic high VIL SHDN logic low IIH SHDN current high SHDN = VCC 10 pA IIL SHDN current low SHDN = VDD 10 pA Output leakage in shutdown mode SHDN = VDD 50 pA Tmin < Top < 125° C 1 nA IOLeak 4.5 V 0.5 V 7/23 Electrical characteristics TSV630 - TSV631 Figure 1. Supply current vs. supply voltage at Vicm = VCC/2 Figure 3. Output current vs. output voltage at Figure 4. VCC = 5 V Figure 5. Voltage gain and phase vs. frequency at VCC = 5 V Output current vs. output voltage at VCC = 1.5 V Voltage gain and phase vs. frequency at VCC = 1.5 V Phase (°) Gain (dB) Figure 2. Figure 6. Phase margin vs. output current at VCC = 5 V 90 80 Cl=100pF 70 Phase (°) Gain (dB) 60 50 40 Cl=330pF 30 20 10 0 -1.5 8/23 Vcc=5V, Vicm=2.5V Rl=2kohms, T=25 C -1.0 -0.5 0.0 0.5 1.0 1.5 TSV630 - TSV631 Positive slew rate vs. time Figure 8. Negative slew rate vs. time Output voltage (V) Figure 7. Electrical characteristics Time (µs) Time (µs) Figure 9. Positive slew rate vs. supply voltage 0.5 0.0 0.4 -0.1 0.3 -0.2 0.2 -0.3 0.1 -0.4 0.0 2.5 3.0 3.5 4.0 4.5 Supply Voltage (V) 5.0 Figure 11. Distortion + noise vs. output voltage (RL = 2 kΩ) f=1kHz, Av=1 Rl=2kOhms to Vcc/2 Vicm=(Vcc-0.7)/2 BW=22kHz Vcc=1.8V -0.5 2.5 5.5 Vcc=3.3V Vcc=1.5V 3.0 3.5 4.0 4.5 Supply Voltage (V) 5.0 5.5 Figure 12. Distortion + noise vs. output voltage (RL = 100 kΩ) THD + N (%) THD + N (%) Figure 10. Negative slew rate vs. supply voltage f=1kHz, Av=1 Rl=100kOhms to Vcc/2 Vicm=(Vcc-0.7)/2 BW=22kHz Vcc=1.5V Vcc=5V Output Voltage (Vpp) Vcc=5.5V Output Voltage (Vpp) 9/23 Electrical characteristics TSV630 - TSV631 Figure 13. Distortion + noise vs. frequency Figure 14. Distortion + noise vs. frequency Ω THD + N (%) THD + N (%) 0.1 0.1 Vcc=5.5V Rl=2kΩ 0.01 Vin=3Vpp 1E-3 10 0.01 100 1000 10 10000 Equivalent Input Voltage Noise (nV/VHz) Figure 15. Noise vs. frequency 300 250 Vicm=2.5V 200 150 100 50 10 10/23 Vcc=5.5V Rl=100kΩ Ω Vicm=4.5V Vcc=5V Tamb=25 C 100 1000 10000 100 1000 10000 TSV630 - TSV631 Application information 3 Application information 3.1 Operating voltages The TSV630 and TSV631 can operate from 1.5 to 5.5 V. Their parameters are fully specified for 1.8-, 3.3- and 5-V power supplies. However, the parameters are very stable in the full VCC range and several characterization curves show the TSV63x characteristics at 1.5 V. Additionally, the main specifications are guaranteed in extended temperature ranges from -40° C to +125° C. 3.2 Rail-to-rail input The TSV630 and TSV631 are built with two complementary PMOS and NMOS input differential pairs. The devices have a rail-to-rail input, and the input common mode range is extended from VDD -0.1 V to VCC +0.1 V. The transition between the two pairs appears at VCC -0.7 V. In the transition region, the performance of CMRR, PSRR, Vio and THD is slightly degraded (as shown in Figure 16 and Figure 17 for Vio vs. Vicm). Figure 16. Input offset voltage vs input common mode at VCC = 1.5 V Figure 17. Input offset voltage vs input common mode at VCC = 5 V 0.5 0.4 0.3 Input Offset Voltage (mV) Input Offset Voltage (mV) 0.4 0.2 0.1 0.0 -0.1 -0.2 0.2 0.0 -0.2 -0.3 -0.4 -0.4 -0.5 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 Input Common Mode Voltage (V) 1.6 0.0 1.0 2.0 3.0 4.0 Input Common Mode Voltage (V) 5.0 The device is guaranteed without phase reversal. 3.3 Rail-to-rail output The operational amplifiers’ output levels can go close to the rails: 35 mV maximum above and below the rail when connected to a 10 kΩ resistive load to VCC/2. 11/23 Application information 3.4 TSV630 - TSV631 Shutdown function (TSV630) The operational amplifier is enabled when the SHDN pin is pulled high. To disable the amplifier, the SHDN must be pulled down to VDD. When in shutdown mode, the amplifier output is in a high impedance state. The SHDN pin must never be left floating, but tied to VCC or VDD. The turn-on and turn-off time are calculated for an output variation of ±200 mV (Figure 18 and Figure 19 show the test configurations). Vcc-0.5V + DUT - +Vcc GND 2KO +Vcc Figure 19. Test configuration for turn-off time (Vout pulled down) Vcc-0.5V GND GND Figure 20. Turn-on time, VCC = 5 V, Vout pulled down, T = 25° C Figure 21. Turn-off time, VCC = 5 V, Vout pulled down, T = 25° C Shutdown pulse Vout Shutdown pulse Vcc = 5V T = 25°C Output voltage (V) Voltage (V) + DUT - Vout Vcc = 5V T = 25°C Time( s) 12/23 GND 2KO Figure 18. Test configuration for turn-on time (Vout pulled down) Time( s) TSV630 - TSV631 3.5 Application information Optimization of DC and AC parameters These devices use an innovative approach to reduce the spread of the main DC and AC parameters. An internal adjustment achieves a very narrow spread of the current consumption (60 µA typical, min/max at ±17 %). Parameters linked to the current consumption value, such as GBP, SR and AVd, benefit from this narrow dispersion. All parts present a similar speed and the same behavior in terms of stability. In addition, the minimum values of GBP and SR are guaranteed (GBP = 730 kHz minimum and SR = 0.25 V/µs minimum). 3.6 Driving resistive and capacitive loads These products are micro-power, low-voltage operational amplifiers optimized to drive rather large resistive loads, above 2 kΩ. For lower resistive loads, the THD level may significantly increase. In a follower configuration, these operational amplifiers can drive capacitive loads up to 100 pF with no oscillations. When driving larger capacitive loads, adding an in-series resistor at the output can improve the stability of the devices (see Figure 22 for recommended in-series resistor values). Once the in-series resistor value has been selected, the stability of the circuit should be tested on bench and simulated with the simulation model. In-series resistor (Ω) Figure 22. In-series resistor vs. capacitive load 3.7 PCB layouts For correct operation, it is advised to add 10 nF decoupling capacitors as close as possible to the power supply pins. 13/23 Application information 3.8 TSV630 - TSV631 Macromodel An accurate macromodel of the TSV630 and TSV631 is available on STMicroelectronics’ web site at www.st.com. This model is a trade-off between accuracy and complexity (that is, time simulation) of the TSV63x operational amplifiers. It emulates the nominal performances of a typical device within the specified operating conditions mentioned in the datasheet. It also helps to validate a design approach and to select the right operational amplifier, but it does not replace on-board measurements. 14/23 TSV630 - TSV631 4 Package information Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. 15/23 Package information 4.1 TSV630 - TSV631 SOT23-5 package mechanical data Figure 23. SOT23-5L package mechanical drawing Table 8. SOT23-5L package mechanical data Dimensions Ref. A Millimeters Min. Typ. Max. Min. Typ. Max. 0.90 1.20 1.45 0.035 0.047 0.057 A1 16/23 Inches 0.15 0.006 A2 0.90 1.05 1.30 0.035 0.041 0.051 B 0.35 0.40 0.50 0.013 0.015 0.019 C 0.09 0.15 0.20 0.003 0.006 0.008 D 2.80 2.90 3.00 0.110 0.114 0.118 D1 1.90 0.075 e 0.95 0.037 E 2.60 2.80 3.00 0.102 0.110 0.118 F 1.50 1.60 1.75 0.059 0.063 0.069 L 0.10 0.35 0.60 0.004 0.013 0.023 K 0 degrees 10 degrees TSV630 - TSV631 4.2 Package information SOT23-6 package mechanical data Figure 24. SOT23-6L package mechanical drawing Table 9. SOT23-6L package mechanical data Dimensions Ref. Millimeters Min. A Typ. 0.90 A1 Inches Max. Min. 1.45 0.035 Typ. Max. 0.057 0.10 0.004 A2 0.90 1.30 0.035 0.051 b 0.35 0.50 0.013 0.019 c 0.09 0.20 0.003 0.008 D 2.80 3.05 0.110 0.120 E 1.50 1.75 0.060 0.069 e 0.95 0.037 H 2.60 3.00 0.102 0.118 L 0.10 0.60 0.004 0.024 ° 0 10° 17/23 Package information 4.3 TSV630 - TSV631 SC70-6 (or SOT323-6) package mechanical data Figure 25. SC70-6 (or SOT323-6) package mechanical drawing Table 10. SC70-6 (or SOT323-6) package mechanical data Dimensions Ref Millimeters Min. A Typ. 0.80 A1 Max. Min. 1.10 0.031 Typ. Max. 0.043 0.10 0.004 A2 0.80 1.00 0.031 0.039 b 0.15 0.30 0.006 0.012 c 0.10 0.18 0.004 0.007 D 1.80 2.20 0.071 0.086 E 1.15 1.35 0.045 0.053 e 18/23 Inches 0.65 0.026 HE 1.80 2.40 0.071 0.094 L 0.10 0.40 0.004 0.016 Q1 0.10 0.40 0.004 0.016 TSV630 - TSV631 Package information Figure 26. SC70-6 (or SOT323-6) package footprint 19/23 Package information 4.4 TSV630 - TSV631 SC70-5 (or SOT323-5) package mechanical data Figure 27. SC70-5 (or SOT323-5) package mechanical drawing SIDE VIEW DIMENSIONS IN MM GAUGE PLANE COPLANAR LEADS SEATING PLANE TOP VIEW Table 11. SC70-5 (or SOT323-5) package mechanical data Dimensions Ref Millimeters Min A Typ 0.80 A1 20/23 Inches Max Min 1.10 0.315 Typ 0.043 0.10 A2 0.80 b 0.90 Max 0.004 1.00 0.315 0.035 0.15 0.30 0.006 0.012 c 0.10 0.22 0.004 0.009 D 1.80 2.00 2.20 0.071 0.079 0.087 E 1.80 2.10 2.40 0.071 0.083 0.094 E1 1.15 1.25 1.35 0.045 0.049 0.053 e 0.65 0.025 e1 1.30 0.051 L 0.26 < 0° 0.36 0.46 8° 0.010 0.014 0.039 0.018 TSV630 - TSV631 5 Ordering information Ordering information Table 12. Order codes Temperature range Package Packing Marking TSV630ILT -40°C to +125°C SOT23-6 Tape & reel K108 TSV630ICT -40°C to +125°C SC70-6 Tape & reel K18 TSV631ILT -40°C to +125°C SOT23-5 Tape & reel K109 TSV631ICT -40°C to +125°C SC70-5 Tape & reel K19 TSV630AILT -40°C to +125°C SOT23-6 Tape & reel K141 TSV630AICT -40°C to +125°C SC70-6 Tape & reel K41 TSV631AILT -40°C to +125°C SOT23-5 Tape & reel K142 TSV631AICT -40°C to +125°C SC70-5 Tape & reel K42 Part number 21/23 Revision history 6 TSV630 - TSV631 Revision history Table 13. 22/23 Document revision history Date Revision 19-Dec-2008 1 Changes Initial release. TSV630 - TSV631 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. 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