 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
IC-PD3948OQFN32-N5X5 Datasheet(PDF) 2 Page - IC-Haus GmbH |
|
||||||||||||||||||||||||||||||
IC-PD3948OQFN32-N5X5 Datasheet(HTML) 2 Page - IC-Haus GmbH |
|
|
2 / 9 page  preliminary preliminary iC-PD3948 5-CHAN. PHASED ARRAY SINE ENCODER 39-2048 Rev B4, Page 2/9 DESCRIPTION iC-PD3948 is an optical sensor IC with integrated photodiodes whose signal currents are converted into output voltages by low-noise transimpedance amplifiers. Due to a high transimpedance gain of typically 4 MΩ, output signal voltages of several hundred Mil- livolts are obtained at illumination levels of just 1 to 3 mW/cm2. In most cases complicated noise sup- pression measures are thus rendered unnecessary. As the pin names would suggest, iC-PD3948 is typ- ically applied as a sine encoder for motor feedback systems. To this end, iC-PD3948 provides sine and cosine signals with both a high resolution of 2048 PPR (plus an additional index signal) and a low res- olution of 1 PPR (at C/D). All code disc signal tracks are evaluated differentially; the high resolution sine signals are read by photo- diodes in a phased array. The layout of the signal amplifiers is such that there is good paired channel matching, reducing the time and effort required for calibration to an absolute minimum. The spectral sensitivity ranges from visible to near infrared light, with the maximum sensitivity close to a wavelength of 680 nm. An output voltage of 1 V is typical in low light conditions, for instance when iC- PD is illuminated at only 2 mW/cm2 by a 740 nm LED. A relatively low LED current is enough to operate the sensor, proving beneficial to the life expectancy of the LED at high operating temperatures. PACKAGES AND CHIP LAYOUT INFORMATION PAD LAYOUT (2.88 mm x 3.37 mm) PAD FUNCTIONS No. Name Function 1 VCC +4.5...5.5 V Supply Voltage 2 VREF Reference Voltage Output 3 PSIN Sine Track + 4 NSIN Sine Track - 5 PCOS Cosine Track + 6 NCOS Cosine Track - 7 Z Z Index Signal 8 NZ Z Index Track - 9 ND D Track - 10 PD D Track + 11 NC C Track - 12 PC C Track + 13 VRDC D/C Track Reference 14 VRSC S/C Track Reference 15 GND Ground Notes: All outputs are analog voltage outputs. |
Similar Part No. - IC-PD3948OQFN32-N5X5 |
|
Similar Description - IC-PD3948OQFN32-N5X5 |
|
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.COM |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
