pt pericom technology inc. preliminary data sheet PT8A260P mixed-signal analog base pt0083(11/01) ver:0 1 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||| features ? 2 independent high gain op amps on-chip window comparator on-chip voltage reference (3.6v) internal 16khz oscillator low battery detector built-in noise rejection circuit for pir sensor applications 16-pin dip package general description PT8A260P is a mixed-signal base chip consists of 2 high gain front end amplifier, window comparators, voltage reference, oscillator and low battery detector. all the analog modules are well proven and fully characterized. with another external digital asic such as fpga, customers can verify their mixed-signal system faster and with minimum risk. PT8A260P is packaged in 16-pin pdip. the outputs from op amps, comparator, voltage reference, oscillator, noise rejection circuit and low battery detector are provided. 1,500 gates of digital gate are also available inside PT8A260P. once customers verify their mixed-mode application/system, a single chip solution can be integrated by pti?s factory within 8 weeks after sign off. applications pir sensor controller special sensor control mixed-signal asic with analog front end block diagram figure 1 voltage regulator voltage divider oscillator noise rejection + v cc gnd v ee op1p op1n op1o op2p op2n op2o vh vl 1/2v ee - vh vl 1/2v ee osc - - - + + + + rst reset low battery detector v ee 1,500 gates logic clock divider te v_trig trig lb clko
pt pericom technology inc. preliminary data sheet PT8A260P mixed-signal analog base pt0083(11/01) ver:0 2 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||| pin assignment figure 2 pin description table 1 n i pn i p n i p n i pn i pe m a ne m a n e m a n e m a ne m a ne p y te p y t e p y t e p y te p y tn o i t p i r c s e dn o i t p i r c s e d n o i t p i r c s e d n o i t p i r c s e dn o i t p i r c s e d 1d n gd n u o r gd n u o r g 2o k l co r o t a l l i c s o m o r f t u p t u o 3c s oi r o t i c a p a c , n w o d l l u p r o t s i s e r , e l b a e g n a h c r o t i c a p a c r o r o t s i s e r l a n r e t x e , r o t a l l i c s o f o t u p n i n o i t a c i l p p a l a m r o n r o f z h k 6 1 , p u l l u p 4g i r t _ vo ) w o l e v i t c a ( t i u c r i c n o i t c e j e r e s i o n m o r f t u p t u o 5g i r to ) w o l e v i t c a ( r o t a r a p m o c w o d n i w m o r f t u p t u o 6b lo ) h g i h e v i t c a ( r o t c e t e d y r e t t a b w o l m o r f t u p t u o 7e ti ) w o l e v i t c a ( r e g g i r t o t t i u c r i c n o i t c e j e r e s i o n e l b a n e o t t u p n i 8v c c r e w o py l p p u s r e w o p 9v e e o f o n i a r d e h t o t d e t c e n n o c . d n u o r g o t t c e p s e r h t i w v 6 . 3 , t u p t u o r o t a l u g e r e g a t l o v l a n r e t n i r o s n e s r i p 0 1t s ri w o l e v i t c a , t u p n i t e s e r p i h c 1 1p 1 p oi r o s n e s r i p f o e c r u o s o t y l t c e r i d d e t c e n n o c , r e i f i l p m a l a n o i t a r e p o t s r i f f o t u p n i d e t r e v n i - n o n 2 1n 1 p oi r e i f i l p m a l a n o i t a r e p o t s r i f f o t u p n i d e t r e v n i 3 1o 1 p oo r e i f i l p m a l a n o i t a r e p o t s r i f f o t u p t u o 4 1p 2 p oi . r e i f i l p m a l a n o i t a r e p o d n o c e s f o t u p n i d e t r e v n i - n o n 5 1n 2 p oi r e i f i l p m a l a n o i t a r e p o d n o c e s f o t u p n i d e t r e v n i 6 1o 2 p oo r e i f i l p m a l a n o i t a r e p o d n o c e s f o t u p t u o PT8A260P gnd clko 1 osc v_trig trig te v cc op2o op2n op2p op1o op1n op1p rst v ee lb 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 top view
pt pericom technology inc. preliminary data sheet PT8A260P mixed-signal analog base pt0083(11/01) ver:0 3 ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| ||||| notes pericom technology inc. email: support@pti.com.cn web site: www.pti.com.cn china : no. 20 building, 3/f, 481 guiping road, shanghai, 200233, china tel: (86)-21-6485 0576 fax: (86)-21-6485 2181 asia pacific : unit 1517, 15/f, chevalier commercial centre, 8 wang hoi rd, kowloon bay, hongkong tel: (852)-2243 3660 fax: (852)- 2243 3667 u.s.a. : 2380 bering drive, san jose, california 95131, usa tel: (1)-408-435 0800 fax: (1)-408-435 1100 pericom technology incorporation reserves the right to make changes to its products or specifications at any time, without noti ce, in order to improve design or performance and to supply the best possible product. pericom technology does not assume any responsibility fo r use of any circuitry described other than the circuitry embodied in pericom technology product. the company makes no representations that circuitry described herein is free from patent infringement or other rights, of pericom technology incorporation.
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