TC9400CPD TELCOM SEMICONDUCTOR, TC9400CPD Datasheet
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TC9400CPD
Specifications of TC9400CPD
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TC9400CPD Summary of contents
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... Phase Locked Loops • Frequency Meters/Tachometer • Motor Control • FM Demodulation Device Selection Table Part Linearity Package Number (V/F) TC9400COD 0.05% 14-Pin SOIC (Narrow) TC9400CPD 0.05% 14-Pin PDIP TC9400EJD 0.05% 14-Pin CerDIP TC9401CPD 0.01% 14-Pin PDIP TC9401EJD 0.01% 14-Pin CerDIP TC9402CPD 0.25% ...
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TC9400/9401/9402 Functional Block Diagram Integrator Integrator Capacitor Op Amp R IN Input Voltage I IN Reference Capacitor I REF Reference Voltage DS21483B-page 2 Threshold One Detector Shot ÷2 TC9400 © Pulse Output Pulse/2 Output 2002 Microchip Technology Inc. ...
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ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings* V – V ........................................................... +18V ........................................................................ 10mA IN V – V Common...................................... 23V OUT OUT MAX V – V ..........................................................-1.5V REF SS Storage Temperature Range .............. -65°C to +150°C Operating Temperature ...
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TC9400/9401/9402 TC940X ELECTRICAL SPECIFICATIONS (CONTINUED) Electrical Characteristics +5V specified +25°C, unless temperature range is specified (-40°C to +85°C for E device, 0°C to +70°C for C device). A Parameter Min Typ Max Analog ...
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TC940X ELECTRICAL SPECIFICATIONS (CONTINUED) Electrical Characteristics +5V specified +25°C, unless temperature range is specified (-40°C to +85°C for E device, 0°C to +70°C for C device). A Parameter Min Typ Max Frequency Input ...
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TC9400/9401/9402 2.0 PIN DESCRIPTIONS The descriptions of the pins are listed in Table 2-1. TABLE 2-1: PIN FUNCTION TABLE Pin No. 14-Pin PDIP/CERDIP Symbol 14-Pin SOIC (Narrow BIAS 2 ZERO ADJ ...
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DETAILED DESCRIPTION 3.1 Voltage-to-Frequency (V/F) Circuit Description The TC9400 V/F converter operates on the principal of charge balancing. The operation of the TC9400 is eas- ily understood by referring to Figure 3-1. The input volt- age ( ...
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TC9400/9401/9402 3.2 Voltage-to-Time Measurements The TC9400 output can be measured in the time domain as well as the frequency domain. Some micro- computers, for example, have extensive timing capabil- ity, but limited counter capability. Also, the response time of a ...
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Freq/2 Out This output is an open drain N-channel FET, which pro- vides a square wave one-half the frequency of the pulse frequency output. The FREQ/2 OUT output will change state on the rising edge of PULSE FREQ OUT. ...
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TC9400/9401/9402 5.0 VOLTAGE-TO-FREQUENCY (V/F) CONVERTER DESIGN INFORMATION 5.1 Input/Output Relationships The output frequency ( related to the analog OUT input voltage ( the transfer equation: IN EQUATION 5- Frequency Out = R ...
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FIGURE 5-2: VOLTAGE TO FREQUENCY 910k 100k R 3 Gain 100k 910k 91k Rp Offset Input 20k Voltage (0 to 10V) Analog Ground Component Selection C F/S FREQ. REF 2200pF 1kHz 180pF ...
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TC9400/9401/9402 6.0 FREQUENCY-TO-VOLTAGE (F/V) CIRCUIT DESCRIPTION When used as an F/V converter, the TC9400 generates an output voltage linearly proportional to the input frequency waveform. Each zero crossing at the threshold detector's input causes a precise amount of charge (q ...
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FIGURE 7-2: F/V SINGLE SUPPLY F/V CONVERTER 10k 6.2V 100k Offset Adjust 0.01µF 33k Frequency Input Note: The output is referenced to Pin 6, which is at 6.2V (Vz). For frequency meter applications, a 1mA meter with a series scaling ...
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TC9400/9401/9402 FIGURE 7- 10kHz CONVERTER TC9400A TC9401A TC9402A See Figure 7-1: Threshold "Frequency Detect 11 Input Level F IN Shifter" Offset Adjust +5V 100kΩ Zero Adjust 2 2kΩ 2.2kΩ I BIAS 1 10kΩ -5V 7.4 Output Filtering The ...
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F/V POWER-ON RESET In F/V mode, the TC9400 output voltage will occasion- ally be at its maximum value when power is first applied. This condition remains until the first pulse is applied most frequency measurement ...
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TC9400/9401/9402 9.0 PACKAGE INFORMATION 9.1 Package Marking Information Package marking data is not available at this time. 9.2 Taping Form Component Taping Orientation for 14-Pin SOIC (Narrow) Devices PIN 1 Carrier Tape, Reel Size, and Number of Components Per Reel ...
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Package Dimensions (Continued) 14-Pin PDIP (Narrow) .770 (19.56) .745 (18.92) .200 (5.08) .140 (3.56) .150 (3.81) .115 (2.92) .110 (2.79) .070 (1.78) .090 (2.29) .045 (1.14) 14-Pin SOIC (Narrow) .050 (1.27) TYP. .344 (8.74) .337 (8.56) .010 (0.25) .018 ...
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TC9400/9401/9402 SALES AND SUPPORT Data Sheets Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recom- mended workarounds. To determine if an errata sheet exists for a particular device, please contact one ...
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Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates your responsibility to ensure that your application meets with your specifications. No representation or warranty is ...
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