TC7652Functional Block DiagramTC7652 14-Pin DIP Only Output Clamp Output Clamp INT/EXT (Not On "Z" Pinout) Circuit Oscillator EXT CLK IN CLK OUT Main Amplifier A B Inputs Output NULL CB Intermod Comparator CA B B B A NULL Amplifier A C NULL RETN ( 1 ) VSS NOTE 1: For 8-pin DIP connect to VSS, or to CRET on "Z" pinout. DS21464C-page 2 2001-2012 Microchip Technology Inc. Document Outline 1.0 Electrical Characteristics 2.0 pin descriptions TABLE 2-1: pin function table 3.0 detailed description 3.1 Capacitor Connection 3.2 Output Clamp 3.3 Clock Figure 3-1: TEST CIRCUIT 4.0 TYPICAL APPLICATIONS 4.1 Component Selection 4.2 Static Protection 4.3 Output Stage/Load Driving Figure 4-1: CONNECTION OF INPUT GUARDS 4.4 Thermoelectric Effects 4.5 Guarding 4.6 Pin Compatibility 4.7 Some Applications Figure 4-2: Noninverting amplifier with optional clamp Figure 4-3: inverting amplifier with optional clamp Figure 4-4: using 741 to boost output drive capability Figure 4-5: low offset comparator Figure 4-6: 1437 offset nulled by tc7652 Figure 4-7: splitting +15v with the 7660 at >95% efficiency 5.0 typical characteristics 6.0 packaging information 6.1 Package Marking Information 6.2 Package Dimensions 7.0 Revision History Corporate Office Atlanta Boston Chicago Cleveland Fax: 216-447-0643 Dallas Detroit Indianapolis Toronto Fax: 852-2401-3431 Australia - Sydney China - Beijing China - Shanghai India - Bangalore Korea - Daegu Korea - Seoul Singapore Taiwan - Taipei Fax: 43-7242-2244-393 Denmark - Copenhagen France - Paris Germany - Munich Italy - Milan Spain - Madrid UK - Wokingham Worldwide Sales and Service