S-5470A21I-M5T1U Datasheet, PDF (2/24 Pages) Seiko Instruments Inc – ULTRA-LOW CURRENT CONSUMPTION

ULTRA-LOW CURRENT CONSUMPTION NORMALLY-OFF FAINT SIGNAL DETECTION IC
S-5470 Series
Rev.1.3_01
 Block Diagrams
1. CMOS output product
VDD
INP
*1
INM
*1
*1
+ Current
adder
−
Current
amplifier
I_DET
+
Current
comparator
−
Logic
selection
*1
OUT
*1
VSS
*1. Parasitic diode
2. Nch open-drain output product
VDD
Figure 1
INP
*1
INM
*1
*1
+ Current
adder
−
Current
amplifier
I_DET
+
Current
comparator
−
Logic
selection
OUT
*1
VSS
*1. Parasitic diode
Figure 2
2