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CAT525PTE13

CAT525PTE13

  • 厂商:

    CATALYST

  • 封装:

  • 描述:

    CAT525PTE13 - Configured Digitally Programmable Potentiometer (DPP™): Programmable Voltage Applicati...

  • 数据手册
  • 价格&库存
CAT525PTE13 数据手册
CAT525 Configured Digitally Programmable Potentiometer (DPP™): Programmable Voltage Applications FEATURES s Four 8-bit DPPs configured as programmable APPLICATIONS s Automated product calibration s Remote control adjustment of equipment s Offset, gain and zero adjustments in voltage sources in DAC-like applications s Independent reference inputs s Buffered wiper outputs s Non-volatile NVRAM memory wiper storage s Output voltage range includes both supply rails s 4 independently addressable buffered self-calibrating and adaptive control systems s Tamper-proof calibrations s DAC (with memory) substitute output wipers s 1 LSB accuracy, high resolution s Serial µP interface s Single supply operation: 2.7V-5.5V s Setting read-back without effecting outputs DESCRIPTION The CAT525 is a quad 8-Bit digitally programmable potentiometer (DPP™) configured for programmable voltage and DAC-like applications. Intended for final calibration of products such as camcorders, fax machines and cellular telephones on automated high volume production lines and systems capable of self calibration, it is also well suited for applications were equipment requiring periodic adjustment is either difficult to access or located in a hazardous environment. The CAT525 offers four independently programmable DPPs each having its own reference inputs and each capable of rail to rail output swing. The wipers are buffered by rail to rail op amps. Wiper settings, stored in non-volatile NVRAM memory, are not lost when the device is powered down and are automatically reinFUNCTIONAL DIAGRAM V H1 REF V H3 REF V H4 REF 19 V H2 REF 2 1 20 stated when power is returned. Each wiper can be dithered to test new output values without effecting the stored settings and stored settings can be read back without disturbing the DPP’s output. Control of the CAT525 is accomplished with a simple 3 wire serial interface. A Chip Select pin allows several CAT525's to share a common serial interface and communications back to the host controller is via a single serial data line thanks to the CAT525’s Tri-Stated Data Output pin. A RDY/BSY output working in concert with an internal low voltage detector signals proper operation of non-volatile NVRAM Memory Erase/Write cycle. The CAT525 is available in the 0°C to 70°C commercial and –40°C to 85°C industrial operating temperature ranges and offered in 20-pin plastic DIP and Surface mount packages. PIN CONFIGURATION DIP Package (P) SOIC Package (J) VREF H2 VREF H1 DVD CLK RDY/BSY CS DI DO PROG GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 VREF H3 VREF H4 VOUT1 VOUT2 VOUT3 VOUT4 VREF L4 V V REF L3 L2 RDY/BSY 5 + PROG 9 PROGRAM CONTROL – 18 VOUT1 VREF H2 VREF H1 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 VREF H3 VREF H4 + – 17 VOUT2 DVD CLK VOUT1 VOUT2 V 3 OUT VOUT4 VREF L4 VREF L3 VREF L2 VREF L1 CLK 4 DATA CONTROLLER NVRAM + – 16 V 3 OUT CS 6 RDY/BSY 7 + – 7K (ea) 15 VOUT4 CS DI DO CAT525 14 13 12 11 CAT525 14 13 12 11 H.V. CHARGE PUMP SERIAL DATA OUTPUT REGISTER 8 DO PROG 11 12 13 14 VREFL4 REF CAT525 GND VREF L1 VREFL2 V L1 REF VREFL3 © 2001 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice 1 Doc. No. 25078-00 4/01-A M-1 CAT525 ABSOLUTE MAXIMUM RATINGS Supply Voltage* VDD to GND ...................................... –0.5V to +7V Inputs CLK to GND ............................ –0.5V to VDD +0.5V CS to GND .............................. –0.5V to VDD +0.5V DI to GND ............................... –0.5V to VDD +0.5V RDY/BSY to GND ................... –0.5V to VDD +0.5V PROG to GND ........................ –0.5V to VDD +0.5V VREFH to GND ........................ –0.5V to VDD +0.5V VREFL to GND ......................... –0.5V to VDD +0.5V Outputs D0 to GND ............................... –0.5V to VDD +0.5V VOUT 1– 4 to GND ................... –0.5V to VDD +0.5V RELIABILITY CHARACTERISTICS Symbol VZAP(1) ILTH(1)(2) Operating Ambient Temperature Commercial (‘C’ or Blank suffix) ...... 0°C to +70°C Industrial (‘I’ suffix) ...................... – 40°C to +85°C Junction Temperature ..................................... +150°C Storage Temperature ....................... –65°C to +150°C Lead Soldering (10 sec max) .......................... +300°C * Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. Absolute Maximum Ratings are limited values applied individually while other parameters are within specified operating conditions, and functional operation at any of these conditions is NOT implied. Device performance and reliability may be impaired by exposure to absolute rating conditions for extended periods of time. Parameter ESD Susceptibility Latch-Up Min 2000 100 Max Units Volts mA Test Method MIL-STD-883, Test Method 3015 JEDEC Standard 17 NOTES: 1. This parameter is tested initially and after a design or process change that affects the parameter. 2. Latch-up protection is provided for stresses up to 100mA on address and data pins from –1V to VCC + 1V. DC ELECTRICAL CHARACTERISTICS: VDD = +2.7V to +5.5V, VREFH = VDD, VREFL = 0V, unless otherwise specified Symbol Accuracy INL Integral Linearity Error ILOAD = 10 µA ILOAD = 10 µA ILOAD = 40 µA ILOAD = 40 µA ILOAD = 10 µA ILOAD = 10 µA ILOAD = 40 µA ILOAD = 40 µA VIN = VDD VIN = 0V TR = C TR = I TR = C TR = I TR = C TR = I TR = C TR = I — — — — — — — — — — 2 0 2.7 GND — — IOH = – 40 µA IOL = 1 mA, VDD = +5V IOL = 0.4 mA, VDD = +3V VDD –0.3 — — 0.6 0.6 1.2 1.2 0.25 0.25 0.5 0.5 — — — — — — 28 ± 0.5 — — — ±1 ±1 — — ± 0.5 ± 0.5 — — 10 –10 VDD 0.8 VDD VDD -2.7 — ±1 — 0.4 0.4 LSB LSB LSB LSB LSB LSB LSB LSB µA µA V V V V kΩ % V V V Parameter Resolution Conditions Min 8 Typ — Max — Units Bits DNL Differential Linearity Error Logic Inputs IIH IIL VIH VIL Input Leakage Current Input Leakage Current High Level Input Voltage Low Level Input Voltage VREFH Input Voltage Range VREFL Input Voltage Range VREFH–VREFL Resistance Input Resistance Match High Level Output Voltage Low Level Output Voltage References VRH VRL ZIN ∆VIN / RIN VOH VOL Logic Outputs Doc. No. 25078-00 4/01 - A M-1 2 CAT525 DC ELECTRICAL CHARACTERISTICS (Cont.): VDD = +2.7V to +5.5V, VREFH = VDD, VREFL = 0V, unless otherwise specified Symbol FSO ZSO IL ROUT PSSR TCO TCREF Parameter Full-Scale Output Voltage Zero-Scale Output Voltage DAC Output Load Current DAC Output Impedance Power Supply Rejection VOUT Temperature Coefficient Temperature Coefficient of VREF Resistance Supply Current (Read) Supply Current (Write) Operating Voltage Range Conditions VR = VREFH – VREFL VR = VREFH – VREFL VDD = VREFH = +5V VDD = VREFH = +3V ILOAD = 1 µA VDD = +5V, ILOAD = 250nA VREFH= +5V, VREFL = 0V VREFH to VREFL Min 0.99 VR — — — — — — — Typ 0.995 VR 0.005 VR — — — — — 700 Max — 0.01 VR 1 1 1 1 200 — Units V V µA kΩ kΩ LSB / V µV/ °C ppm / °C Analog Output Temperature Power Supply IDD1 IDD2 VDD Normal Operating Programming, VDD = 5V VDD = 3V — — — 2.7 400 1600 1000 — 600 2500 1600 5.5 µA µA µA V AC ELECTRICAL CHARACTERISTICS: VDD = +2.7V to +5.5V, VREFH = VDD, VREFL = 0V, unless otherwise specified Symbol Digital tCSMIN tCSS tCSH tDIS tDIH tDO1 tDO0 tHZ tLZ tBUSY tPS tPROG tCLKH tCLKL fC Minimum CS Low Time CS Setup Time CS Hold Time DI Setup Time DI Hold Time Output Delay to 1 Output Delay to 0 Output Delay to High-Z Output Delay to Low-Z Erase/Write Cycle Time PROG Setup Time Minimum Pulse Width Minimum CLK High Time Minimum CLK Low Time Clock Frequency DAC Settling Time to 1 LSB 150 100 0 50 50 — — — — — 150 700 500 300 DC — — — — — — — — — — — 400 400 4 — — — — — 3 6 8 6 — — — — — 150 150 — — 5 — — — — 1 10 10 — — ns ns ns ns ns ns ns ns ns ms ns ns ns ns MHz µs µs pF pF Parameter Conditions Min Typ Max Units CL = 100 pF, see note 1 Analog tDS CLOAD = 10 pF, VDD = +5V CLOAD = 10 pF, VDD = +3V VIN = 0V, f = 1 MHz(2) VOUT = 0V, f = 1 MHz(2) Pin Capacitance CIN COUT Input Capacitance Output Capacitance NOTES: 1. All timing measurements are defined at the point of signal crossing VDD / 2. 2. These parameters are periodically sampled and are not 100% tested. 3 Doc. No. 25078-00 4/01 - A M-1 TIMING MIN/MAX FROM TO CAT525 to 1 2 3 4 5 PARAM NAME A. C. TIMING DIAGRAM Doc. No. 25078-00 4/01 - A M-1 t CLK H t CLK H Rising CLK edge to falling CLK edge Min CLK t CLK L Falling CLK edge to CLK rising edge t CSH t CLK L t CSS t CSH Falling CLK edge for last data bit (DI) to falling CS edge Rising CS edge to next rising CLK edge Min Min t CSS Min CS t CSMIN t CSMIN Falling CS edge to rising CS edge t DIS Data valid to first rising CLK edge after CS = high Min Min t DIS DI t DIH t DIH t DO0 t LZ t DO0 Rising CLK edge to end of data valid Min 4 t HZ t DO1 t PS t PROG t BUSY 1 2 3 4 5 Rising CLK edge to D0 = low Rising CS edge to D0 becoming high low impedance (active output) Max (Max) t LZ DO t DO1 t HZ Rising CLK edge to D0 = high Falling CS edge to D0 becoming high impedance (Tri-State) t PS Max (Max) PROG Rising PROG edge to next rising CLK edge t PROG Rising PROG edge to falling PROG edge t BUSY Falling CLK edge after PROG=H to rising RDY/BSY edge Min Min RDY/BSY Max to CAT525 PIN DESCRIPTION Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DAC addressing is as follows: Function Maximum DAC 2 output voltage Maximum DAC 1 output voltage Power supply positive Clock input pin Ready/Busy output Chip select Serial data input pin Serial data output pin EEPROM Programming Enable Input Power supply ground Minimum DAC 1 output voltage Minimum DAC 2 output voltage Minimum DAC 3 output voltage Minimum DAC 4 output voltage DAC 4 output DAC 3 output DAC 2 output DAC 1 output Maximum DAC 4 output voltage Maximum DAC 3 output voltage Name VREFH2 VREFH1 VDD CLK RDY/BSY CS DI DO PROG GND VREFL1 VREFL2 VREFL3 VREFL4 VOUT4 VOUT3 VOUT2 VOUT1 VREFH4 VREFH3 DAC OUTPUT VOUT1 VOUT2 VOUT3 VOUT4 A0 0 1 0 1 A1 0 0 1 1 DEVICE OPERATION The CAT525 is a quad 8-bit Digital to Analog Converter (DAC) whose outputs can be programmed to any one of 256 individual voltage steps. Once programmed, these output settings are retained in non-volatile EEPROM memory and will not be lost when power is removed from the chip. Upon power up the DACs return to the settings stored in EEPROM memory. Each DAC can be written to and read from independently without effecting the output voltage during the read or write cycle. Each output can also be adjusted without altering the stored output setting, which is useful for testing new output settings before storing them in memory. DIGITAL INTERFACE The CAT525 employs a standard 3 wire serial control interface consisting of Clock (CLK), Chip Select (CS) and Data In (DI) inputs. For all operations, address and data are shifted in LSB first. In addition, all digital data must be preceded by a logic “1” as a start bit. The DAC address and data are clocked into the DI pin on the clock’s rising edge. When sending multiple blocks of information a minimum of two clock cycles is required between the last block sent and the next start bit. Multiple devices may share a common input data line by selectively activating the CS control of the desired IC. Data Outputs (DO) can also share a common line because the DO pin is Tri-Stated and returns to a high impedance when not in use. 5 CHIP SELECT Chip Select (CS) enables and disables the CAT525’s read and write operations. When CS is high data may be read to or from the chip, and the Data Output (DO) pin is active. Data loaded into the DAC control registers will remain in effect until CS goes low. Bringing CS to a logic low returns all DAC outputs to the settings stored in EEPROM memory and switches DO to its high impedance Tri-State mode. Because CS functions like a reset the CS pin has been desensitized with a 30 ns to 90 ns filter circuit to prevent noise spikes from causing unwanted resets and the loss of volatile data. CLOCK The CAT525’s clock controls both data flow in and out of the IC and EEPROM memory cell programming. Serial data is shifted into the DI pin and out of the DO pin on the clock’s rising edge. While it is not necessary for the clock to be running between data transfers, the clock must be operating in order to write to EEPROM memory, even though the data being saved may already be resident in the DAC control register. No clock is necessary upon system power-up. The CAT525’s internal power-on reset circuitry loads data from EEPROM to the DACs without using the external clock. Doc. No. 25078-00 4/01 - A M-1 CAT525 As data transfers are edge triggered clean clock transitions are necessary to avoid falsely clocking data into the control registers. Standard CMOS and TTL logic families work well in this regard and it is recommended that any mechanical switches used for breadboarding or device evaluation purposes be debounced by a flip-flop or other suitable debouncing circuit. VREF VREF, the voltage applied between pins VREFH &VREFL, sets the DAC’s Zero to Full Scale output range where VREFL = Zero and VREFH = Full Scale. VREF can span the full power supply range or just a fraction of it. In typical applications VREFH &VREFL are connected across the power supply rails. When using less than the full supply voltage be mindfull of the limits placed on VREFH and VREFL as specified in the References section of DC Electrical Characteristics. READY/BUSY When saving data to non-volatile EEPROM memory, the Ready/Busy ouput (RDY/BSY) signals the start and duration of the EEPROM erase/write cycle. Upon receiving a command to store data (PROG goes high) RDY/ BSY goes low and remains low until the programming cycle is complete. During this time the CAT525 will ignore any data appearing at DI and no data will be output on DO. RDY/BSY is internally ANDed with a low voltage detector circuit monitoring VDD. If VDD is below the minimum value required for EEPROM programming, RDY/BSY will remain high following the program command indicating a failure to record the desired data in non-volatile memory. DATA OUTPUT Data is output serially by the CAT525, LSB first, via the Data Out (DO) pin following the reception of a start bit and two address bits by the Data Input (DI). DO becomes active whenever CS goes high and resumes Figure 1. Writing to Memory to 1 2 3 4 5 6 7 8 9 10 11 12 N N+1 N+2 its high impedance Tri-State mode when CS returns low. Tri-Stating the DO pin allows several 525s to share a single serial data line and simplifies interfacing multiple 525s to a microprocessor. WRITING TO MEMORY Programming the CAT525’s EEPROM memory is accomplished through the control signals: Chip Select (CS) and Program (PROG). With CS high, a start bit followed by a two bit DAC address and eight data bits are clocked into the DAC control register via the DI pin. Data enters on the clock’s rising edge. The DAC output changes to its new setting on the clock cycle following D7, the last data bit. Programming is accomplished by bringing PROG high sometime after the start bit and at least 150 ns prior to the rising edge of the clock cycle immediately following the D7 bit. Two clock cycles after the D7 bit the DAC control register will be ready to receive the next set of address and data bits. The clock must be kept running throughout the programming cycle. Internal control circuitry takes care of generating and ramping up the programming voltage for data transfer to the EEPROM cells. The CAT525’s EEPROM memory cells will endure over 100,000 write cycles and will retain data for a minimum of 20 years without being refreshed. READING DATA Each time data is transferred into a DAC control register currently held data is shifted out via the D0 pin, thus in every data transaction a read cycle occurs. Note, however, that the reading process is destructive. Data must be removed from the register in order to be read. Figure 2 depicts a Read Only cycle in which no change occurs in the DAC’s output. This feature allows µPs to poll DACs for their current setting without disturbing the output voltage but it assumes that the setting being read is also stored in EEPROM so that it can be restored at the end of the read cycle. In Figure 2 CS returns low before the 13th clock cycle completes. In doing so the EEPROM’s Figure 2. Reading from Memory to 1 2 3 4 5 6 7 8 9 10 11 12 CS NEW DAC DATA DI 1 A0 A1 D0 D1 D2 D3 D4 D5 D6 D7 CS DI 1 A0 A1 CURRENT DAC DATA CURRENT DAC DATA DO D0 D1 D2 D3 D4 D5 D6 D7 DO D0 D1 D2 D3 D4 D5 D6 D7 PROG PROG RDY/BSY RDY/BSY DAC OUTPUT CURRENT DAC VALUE NON-VOLATILE NEW DAC VALUE VOLATILE NEW DAC VALUE NON-VOLATILE DAC OUTPUT CURRENT DAC VALUE NON-VOLATILE Doc. No. 25078-00 4/01 - A M-1 6 CAT525 setting is reloaded into the DAC control register. Since this value is the same as that which had been there previously no change in the DAC’s output is noticed. Had the value held in the control register been different from that stored in EEPROM then a change would occur at the read cycle’s conclusion. TEMPORARILY CHANGE OUTPUT The CAT525 allows temporary changes in DAC’s output to be made without disturbing the settings retained in EEPROM memory. This feature is particularly useful when testing for a new output setting and allows for user adjustment of preset or default values without losing the original factory settings. Figure 3 shows the control and data signals needed to effect a temporary output change. DAC settings may be changed as many times as required and can be made to any of the four DACs in any order or sequence. The temporary setting(s) remain in effect long as CS remains high. When CS returns low all four DACs will return to the output values stored in EEPROM memory. When it is desired to save a new setting acquired using this feature, the new value must be reloaded into the DAC control register prior to programming. This is because the CAT525’s internal control circuitry discards from the programming register the new data two clock cycles after receiving it if no PROG signal is received. APPLICATION CIRCUITS +5V Figure 3. Temporary Change in Output to 1 2 3 4 5 6 7 8 9 10 11 12 N N+1 N+2 CS NEW DAC DATA 1 A0 A1 D0 D1 D2 D3 D4 D5 D6 D7 DI CURRENT DAC DATA DO D0 D1 D2 D3 D4 D5 D6 D7 PROG RDY/BSY DAC OUTPUT CURRENT DAC VALUE NON-VOLATILE NEW DAC VALUE VOLATILE CURRENT DAC VALUE NON-VOLATILE DAC INPUT Vi RI +15V VDD CONTROL & DATA VREF H RF DAC OUTPUT CODE VDAC = ——— (VFS - VZERO ) + VZERO 255 VFS = 0.99 VREF ANALOG OUTPUT – + -15V V OUT MSB 1111 LSB 1111 VZERO = 0.01 VREF 255 —— (.98 VREF ) + .01 VREF = .990 V REF 255 128 —— (.98 V ) + .01 V = .502 V REF REF REF 255 127 (.98 V —— ) + .01 V = .498 V 255 REF REF REF 1 —— (.98 V ) + .01 V = .014 V 255 REF REF REF —0 (.98 V — ) + .01 V = .010 V REF REF REF 255 VREF = 5V R I = RF V OUT = +4.90V V = +0.02V OUT V = -0.02V OUT V = -4.86V OUT V = -4.90V OUT OPT 505 CAT525 GND VREF L OP 07 1000 0000 1111 0001 VOUT = VDAC ( R I+ RF) -VI R F RI For R I = RF VOUT = 2VDAC -VI 0111 0000 0000 0000 Bipolar DAC Output +5V RI +15V VDD CONTROL & DATA VREF H RF – + -15V VOUT OPT 505 CAT525 GND VREF L OP 07 RF VOUT = (1 + –––) V DAC RI Amplified DAC Output 7 Doc. No. 25078-00 4/01 - A M-1 CAT525 APPLICATION CIRCUITS (Cont.) +5V +VREF VREFH VREF RC = ————— 256 * 1 µA +5V VREF VREFH Fine adjust gives ± 1 LSB change in V OFFSET VREF when VOFFSET = ——— 2 127RC VDD VDD FINE ADJUST DPP 127RC (+VREF ) - (VOFFSET+ ) RC = ——————————— 1 µA (-VREF ) + (VOFFSET+ ) Ro = ——————————— 1 µA FINE ADJUST DPP COARSE ADJUST DPP RC +V COARSE ADJUST DPP RC V OFFSET GND + – VREF L Ro -VREF VOFFSET +V + – -V GND VREF L Coarse-Fine Offset Control by Averaging DPP Outputs for Single Power Supply Systems Coarse-Fine Offset Control by Averaging DPP Outputs for Dual Power Supply Systems 28 - 32V V+ I > 2 mA 15K 10 µF VDD CONTROL & DATA VREF H VREF = 5.000V VDD 1N5231B VREF H 5.1V 10K CONTROL & DATA OPT 505 CAT525 GND VREF L LT 1029 OPT 505 CAT525 GND VREF L + – LM 324 MPT3055EL OUTPUT 4.02 K 1.00K 10 µF 35V 0 - 25V @ 1A Digitally Trimmed Voltage Reference Digitally Controlled Voltage Reference Doc. No. 25078-00 4/01 - A M-1 8 CAT525 APPLICATION CIRCUITS (Cont.) +5V VREF VIN 1.0 µF + – VDD VREF H LM 339 10K +5V WINDOW 1 VREF WINDOW 1 CAT525 OPT 505 VPP + – + – +5V + 10K WINDOW 2 DPP 1 VOUT 1 WINDOW 2 V 2 OUT CS – DI DPP 2 + – +5V + 10K WINDOW 3 WINDOW 3 DO – PROG DPP 3 + – +5V + 10K WINDOW 4 VOUT 3 WINDOW 4 V 4 OUT WINDOW 5 GND WINDOW 5 CLK – DPP 4 + – +5V + 10K GND VREF L WINDOW STRUCTURE – Staircase Window Comparator +5V VREF VIN 1.0 µF VDD VREF H + – +5V + – LM 339 10K WINDOW 1 CAT525 VPP DPP 1 VREF H CS WINDOW 1 DI DPP 2 + – +5V + 10K WINDOW 2 VOUT 1 V 2 OUT WINDOW 2 VOUT 4 DO – PROG DPP 3 VOUT 3 WINDOW 3 CLK GND DPP 4 + – +5V + 10K WINDOW 3 WINDOW STRUCTURE GND VREF L – Overlapping Window Comparator 9 Doc. No. 25078-00 4/01 - A M-1 CAT525 APPLICATION CIRCUITS (Cont.) +5V 2.2K VDD VREF 4.7 µA LM385-2.5 +15V ISINK = 2 - 255 mA DPP1 +5V 10K + – 10K 2N7000 39 Ω 1W 39 Ω 1W 1 mA steps CONTROL & DATA CAT525 DPP2 + 2N7000 – 5 µA steps GND VREF L 5M 5M 3.9K 10K 10K – + TIP 30 -15V Current Sink with 4 Decades of Resolution +15V 51K + TIP 29 – 10K +5V 10K VDD VREF H 5M 5M 39 Ω 1W 39 Ω 1W DPP1 CONTROL & DATA CAT525 OPT 505 5M – + 5M BS170P 1 mA steps DPP2 3.9K GND VREF L – BS170P + LM385-2.5 5 µA steps -15V ISOURCE = 2 - 255 mA Current Source with 4 Decades of Resolution Doc. No. 25078-00 4/01 - A M-1 10 CAT525 ORDERING INFORMATION Prefix CAT Device # 525 Suffix J I -TE13 Optional Company ID Product Number Package P: PDIP J: SOIC Temperature Range Blank = Commercial (0˚C to 70˚C) I = Industrial (-40˚C to 85˚C) Tape & Reel TE13: 2000/Reel Notes: (1) The device used in the above example is a CAT525JI-TE13 (SOIC, Industrial Temperature, Tape & Reel) © 2001 Catalyst Semiconductor, Inc. Publication No: Revision: Issue Date: 11 Doc. No. 25078-00 4/01 - A M-1 CAT525 Doc. No. 25078-00 4/01 - A M-1 12
CAT525PTE13 价格&库存

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