EMIF05-AUD02F3 EMI filter and ESD protection for audio interface Datasheet - production data Description The EMIF05-AUD02F3 chip is a highly integrated audio filter device designed to suppress EMI/RFI noise in all systems subjected to electromagnetic interference. Flip Chip This filter includes ESD protection circuitry, which (12 bumps) prevents damage to the protected device when subjected to ESD surges up to 15 kV. Figure 1. Pin configuration (bump view) Features 1 2 3 EMI low-pass filter ear L mic p mic m A High efficiency in EMI/ESD protection Ear L Mic p Mic m High reliability offered by monolithic integration B Very thin package Ear R Ground Det C High reduction of parasitic elements through integration and wafer level packaging ear R det Vreg D Lead-free package Complies with the following standards: Figure 2. Functional schematic IEC 61000-4-2 level 4 (on B1, B2, B3, C1, C3 D3 pins): 15 kV (air discharge) R6 C3 D2 8 kV (contact discharge) R5 IEC 61000-4-2 level 1 (on A1, A2, A3, D1, D2, Level 4 D3 pins): GND 2 kV (air discharge) R3, R4 B2 A2 2 kV (contact discharge) B3 A3 Level 4 C3, C4 Applications GND GND Where EMI filtering in ESD sensitive equipment is R1, R2 B1 A1 required: D1 C1 C1, C2 Level 4 Mobile phones and communication systems Computers, printers and MCU boards. GND GND Pin C2 is ground TM: IPAD is a trademark of STMicroelectronics December 2013 DocID025579 Rev 1 1/8 This is information on a product in full production. www.st.com Obsolete Product(s) - Obsolete Product(s)Characteristics EMIF05-AUD02F3 1 Characteristics Table 1. Absolute maximum ratings (T = 25 C) amb Symbol Parameter Value Unit External pins (B1, B2, B3, C1, C3): ESD discharge IEC 61000-4-2, level 4 15 Air discharge Contact discharge 8 V kV PP Internal pins (A1, A2, A3, D1, D2, D3): (1) ESD discharge IEC 61000-4-2 , level 1 Air discharge 2 Contact discharge 2 T Operating temperature range - 40 to + 85 op C T Storage temperature range - 55 to 150 stg 1. Measurements done on IEC 61000-4-2 test bench.For further details see Application note AN3353, IEC 61000-4-2 standard testing. Figure 3. Electrical characteristics (definitions) Symbol P arameter V BR = Breakdown voltage VCL I RM = Leakage current V RM V RM = Stand-off voltage V CL = Clamping voltage I PP = Peak pulse current C X = Line capacitance R= Series resistance between X PP input and ouptput Table 2. Electrical characteristics (T = 25 C) amb Symbol Test conditions Min. Typ. Max. Unit I V = 3 V 100 nA RM RM V I = 1 mA 6 V BR R R1 R2 13.51516.5 , R3, R4 1980 2200 2420 R5 900 1000 1100 R6 18000 20000 22000 C1, C2 33.75 V = 0 V, V = 30 mV, F = 1 MHz line osc nF (measured under zero light conditions) C3, C4 0.8 1 2/8 DocID025579 Rev 1 Obsolete Product(s) - Obsolete Product(s)