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LTC4557


Part Number LTC4557
Manufacturer Linear Technology
Title Dual SIM/Smart Card Power Supply/Interface
Description LTC4557 Dual SIM/Smart Card Power Supply and Interface FEATURES s s s s s s s DESCRIPTIO s s s s U APPLICATIO S s s s Power Management and Si...
Features s s s s s s s DESCRIPTIO s s s s U APPLICATIO S s s s Power Management and Signal Level Translators for Two SIM Cards or Smart Cards Independent 1.8V/3V VCC Control for Both Cards Automatic Level Translation ISO7816, ETSI and EMV Compatible Dynamic Pull-Ups Deliver Fast Signal Rise Times* Built-...

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LTC455 : AiT Components Inc. www.ait-components.com LTC455 Ceramic Filter(455KHz SMD Type) LTC-U(3pin)/LTC-W(4 pin) FEATURES  LTC455 is slim and thickness, have a small mounting area enableing flexible PCB design.  Surface mount LTC455 series for AM use.  High selectivity, high stability and adjustment-free operation.  Can be reflow soldered and withstand wash.  The bandwidth ranges from D to G. TECHNICAL CHARACTERISTICS (LTC455-U) Part Center Freq. Number (KHz) LTC455DU LTC455EU LTC455FU LTC455GU 455-/+1.5 455-/+1.5 455-/+1.5 455-/+1.5 Insertion Loss (dB) 4 6 6 6 Pass Band Ripple (dB)max. 2 2 2 2 At6dB Band width (khz)min. -/+10 -/+7.5 -/+6.0 -/+4.5 40dB Band width (khz) max. -/+20 .

LTC455 : LTC455 CERAMIC FILTER (4pins) - LTC455-U / LTC455-W Series RoHS Compliant ► LTC455-U PART NUMBER CENTER FREQUENCY (kHz) INSERTION LOSS (dB) PASS BAND RIPPLE (dB) MAX. AT 6dB BANDWIDTH (kHz) MIN. 40dB BANDWIDTH (kHz) MAX. STOP BAND ±100kHz (dB) MIN. INPUT/OUTPUT IMPEDANCE(Ω) LTC455DU 455 ± 1.5 4 2 ± 10 ± 20 27 1500 LTC455EU 455 ± 1.5 6 2 ± 7.5 ± 15 27 1500 LTC455FU 455 ± 1.5 6 2 ± 6.0 ± 12.5 27 1500 LTC455GU 455 ± 1.5 6 2 ± 4.5 ± 10 27 1500 ► LTC455-W PART NUMBER CENTER FREQ. (kHz) INSERTION LOSS (dB) PASS BAND RIPPLE (dB) MAX. AT 6dB BANDWIDTH (kHz) MIN. 50dB BANDWIDTH (kHz) MAX. STOP BAND ±100kHz (dB) MIN. SPURIOUS RESPONSE WITHIN 0.1~1.0MHz .

LTC4555 : The LTC®4555 provides power conversion and signal level shifting needed for low voltage 2.5G and 3G cellular telephones to interface with 1.8V or 3V subscriber identity modules (SIMs). The part meets all type approval requirements for 1.8V and 3V SIMs and smart cards. The part contains an LDO linear regulator to supply SIM power at either 1.8V or 3V from a 3V to 6V input. The output voltage is selected with a single pin and up to 50mA of load current can be supplied. Internal level translators allow controllers operating with supplies as low as 1.2V to interface with 1.8V or 3V smart cards. Battery life is maximized by 20µA operating current and 1µA shutdown current. Board area is minimized.

LTC4556 : The LTC®4556 provides all necessary power control, level translation and supervisory functions for a smart card or S.A.M. card interface. The part contains a low noise charge pump plus LDO for generating VCC power, as well as all necessary level shifting circuitry. The card voltage can be set to either 1.8V, 3V or 5V. The LTC4556 includes a card detection channel with automatic debounce circuitry. To reduce wiring costs, the LTC4556 interfaces to a microcontroller via a simple 4‑wire serial interface. Multiple devices may be connected in daisy-chain fashion so that the number of wires to the card socket board is independent of the number of sockets. Status data is returned over the same inte.

LTC4558 : The LTC®4558 provides the power conversion and signal level translation needed for advanced cellular telephones to interface with 1.8V or 3V subscriber identity modules (SIMs). The device meets all requirements for 1.8V and 3V SIMs and contains LDO regulators to power 1.8V or 3V SIM cards from a 2.7V to 5.5V input. The output voltages can be set using the two voltage selection pins and up to 50mA of load current can be supplied. A channel select pin determines which channel is open for communication. Separate enable pins for each channel allow both cards to be powered at once and allow for faster transition from one channel to the other. Internal level translators allow controllers operating.

LTC455BU : Version: January 12, 2017 (LTM 455/450 U/W) Communication Ceramic Filters Web: www.token.com.tw Email: rfq@token.com.tw Token Electronics Industry Co., Ltd. Taiwan: No.137, Sec. 1, Zhongxing Rd., Wugu District, New Taipei City, Taiwan, R.O.C. 24872 Tel: +886 2981 0109 Fax: +886 2988 7487 China: 12F, Zhong Xing Industry Bld., Chuang Ye Road, Nan Shan District, Shen Zhen City, Guang Dong, China 518054 Tel: +86 755 26055363; Fax: +86 755 26055365  Product Introduction Introduction (LTM 455/450 U/W) Features :  LTM 455 EU Dimensions: (6.5 × 6.5 × 6.2 mm).  LTM 455 EW Dimensions: (6.5 × 9.5 × 6.2 mm).  Center Frequency: 455kHz (450kHz is also available).  Input / Output Impedance: 100.

LTC455BW : Version: January 12, 2017 (LTM 455/450 U/W) Communication Ceramic Filters Web: www.token.com.tw Email: rfq@token.com.tw Token Electronics Industry Co., Ltd. Taiwan: No.137, Sec. 1, Zhongxing Rd., Wugu District, New Taipei City, Taiwan, R.O.C. 24872 Tel: +886 2981 0109 Fax: +886 2988 7487 China: 12F, Zhong Xing Industry Bld., Chuang Ye Road, Nan Shan District, Shen Zhen City, Guang Dong, China 518054 Tel: +86 755 26055363; Fax: +86 755 26055365  Product Introduction Introduction (LTM 455/450 U/W) Features :  LTM 455 EU Dimensions: (6.5 × 6.5 × 6.2 mm).  LTM 455 EW Dimensions: (6.5 × 9.5 × 6.2 mm).  Center Frequency: 455kHz (450kHz is also available).  Input / Output Impedance: 100.

LTC455CU : Version: January 12, 2017 (LTM 455/450 U/W) Communication Ceramic Filters Web: www.token.com.tw Email: rfq@token.com.tw Token Electronics Industry Co., Ltd. Taiwan: No.137, Sec. 1, Zhongxing Rd., Wugu District, New Taipei City, Taiwan, R.O.C. 24872 Tel: +886 2981 0109 Fax: +886 2988 7487 China: 12F, Zhong Xing Industry Bld., Chuang Ye Road, Nan Shan District, Shen Zhen City, Guang Dong, China 518054 Tel: +86 755 26055363; Fax: +86 755 26055365  Product Introduction Introduction (LTM 455/450 U/W) Features :  LTM 455 EU Dimensions: (6.5 × 6.5 × 6.2 mm).  LTM 455 EW Dimensions: (6.5 × 9.5 × 6.2 mm).  Center Frequency: 455kHz (450kHz is also available).  Input / Output Impedance: 100.

LTC455CW : Version: January 12, 2017 (LTM 455/450 U/W) Communication Ceramic Filters Web: www.token.com.tw Email: rfq@token.com.tw Token Electronics Industry Co., Ltd. Taiwan: No.137, Sec. 1, Zhongxing Rd., Wugu District, New Taipei City, Taiwan, R.O.C. 24872 Tel: +886 2981 0109 Fax: +886 2988 7487 China: 12F, Zhong Xing Industry Bld., Chuang Ye Road, Nan Shan District, Shen Zhen City, Guang Dong, China 518054 Tel: +86 755 26055363; Fax: +86 755 26055365  Product Introduction Introduction (LTM 455/450 U/W) Features :  LTM 455 EU Dimensions: (6.5 × 6.5 × 6.2 mm).  LTM 455 EW Dimensions: (6.5 × 9.5 × 6.2 mm).  Center Frequency: 455kHz (450kHz is also available).  Input / Output Impedance: 100.

LTC455DU : Version: January 12, 2017 (LTM 455/450 U/W) Communication Ceramic Filters Web: www.token.com.tw Email: rfq@token.com.tw Token Electronics Industry Co., Ltd. Taiwan: No.137, Sec. 1, Zhongxing Rd., Wugu District, New Taipei City, Taiwan, R.O.C. 24872 Tel: +886 2981 0109 Fax: +886 2988 7487 China: 12F, Zhong Xing Industry Bld., Chuang Ye Road, Nan Shan District, Shen Zhen City, Guang Dong, China 518054 Tel: +86 755 26055363; Fax: +86 755 26055365  Product Introduction Introduction (LTM 455/450 U/W) Features :  LTM 455 EU Dimensions: (6.5 × 6.5 × 6.2 mm).  LTM 455 EW Dimensions: (6.5 × 9.5 × 6.2 mm).  Center Frequency: 455kHz (450kHz is also available).  Input / Output Impedance: 100.

LTC455DW : Version: January 12, 2017 (LTM 455/450 U/W) Communication Ceramic Filters Web: www.token.com.tw Email: rfq@token.com.tw Token Electronics Industry Co., Ltd. Taiwan: No.137, Sec. 1, Zhongxing Rd., Wugu District, New Taipei City, Taiwan, R.O.C. 24872 Tel: +886 2981 0109 Fax: +886 2988 7487 China: 12F, Zhong Xing Industry Bld., Chuang Ye Road, Nan Shan District, Shen Zhen City, Guang Dong, China 518054 Tel: +86 755 26055363; Fax: +86 755 26055365  Product Introduction Introduction (LTM 455/450 U/W) Features :  LTM 455 EU Dimensions: (6.5 × 6.5 × 6.2 mm).  LTM 455 EW Dimensions: (6.5 × 9.5 × 6.2 mm).  Center Frequency: 455kHz (450kHz is also available).  Input / Output Impedance: 100.

LTC455EU : Version: January 12, 2017 (LTM 455/450 U/W) Communication Ceramic Filters Web: www.token.com.tw Email: rfq@token.com.tw Token Electronics Industry Co., Ltd. Taiwan: No.137, Sec. 1, Zhongxing Rd., Wugu District, New Taipei City, Taiwan, R.O.C. 24872 Tel: +886 2981 0109 Fax: +886 2988 7487 China: 12F, Zhong Xing Industry Bld., Chuang Ye Road, Nan Shan District, Shen Zhen City, Guang Dong, China 518054 Tel: +86 755 26055363; Fax: +86 755 26055365  Product Introduction Introduction (LTM 455/450 U/W) Features :  LTM 455 EU Dimensions: (6.5 × 6.5 × 6.2 mm).  LTM 455 EW Dimensions: (6.5 × 9.5 × 6.2 mm).  Center Frequency: 455kHz (450kHz is also available).  Input / Output Impedance: 100.

LTC455EW : Version: January 12, 2017 (LTM 455/450 U/W) Communication Ceramic Filters Web: www.token.com.tw Email: rfq@token.com.tw Token Electronics Industry Co., Ltd. Taiwan: No.137, Sec. 1, Zhongxing Rd., Wugu District, New Taipei City, Taiwan, R.O.C. 24872 Tel: +886 2981 0109 Fax: +886 2988 7487 China: 12F, Zhong Xing Industry Bld., Chuang Ye Road, Nan Shan District, Shen Zhen City, Guang Dong, China 518054 Tel: +86 755 26055363; Fax: +86 755 26055365  Product Introduction Introduction (LTM 455/450 U/W) Features :  LTM 455 EU Dimensions: (6.5 × 6.5 × 6.2 mm).  LTM 455 EW Dimensions: (6.5 × 9.5 × 6.2 mm).  Center Frequency: 455kHz (450kHz is also available).  Input / Output Impedance: 100.

LTC455FU : Version: January 12, 2017 (LTM 455/450 U/W) Communication Ceramic Filters Web: www.token.com.tw Email: rfq@token.com.tw Token Electronics Industry Co., Ltd. Taiwan: No.137, Sec. 1, Zhongxing Rd., Wugu District, New Taipei City, Taiwan, R.O.C. 24872 Tel: +886 2981 0109 Fax: +886 2988 7487 China: 12F, Zhong Xing Industry Bld., Chuang Ye Road, Nan Shan District, Shen Zhen City, Guang Dong, China 518054 Tel: +86 755 26055363; Fax: +86 755 26055365  Product Introduction Introduction (LTM 455/450 U/W) Features :  LTM 455 EU Dimensions: (6.5 × 6.5 × 6.2 mm).  LTM 455 EW Dimensions: (6.5 × 9.5 × 6.2 mm).  Center Frequency: 455kHz (450kHz is also available).  Input / Output Impedance: 100.

LTC455FW : Version: January 12, 2017 (LTM 455/450 U/W) Communication Ceramic Filters Web: www.token.com.tw Email: rfq@token.com.tw Token Electronics Industry Co., Ltd. Taiwan: No.137, Sec. 1, Zhongxing Rd., Wugu District, New Taipei City, Taiwan, R.O.C. 24872 Tel: +886 2981 0109 Fax: +886 2988 7487 China: 12F, Zhong Xing Industry Bld., Chuang Ye Road, Nan Shan District, Shen Zhen City, Guang Dong, China 518054 Tel: +86 755 26055363; Fax: +86 755 26055365  Product Introduction Introduction (LTM 455/450 U/W) Features :  LTM 455 EU Dimensions: (6.5 × 6.5 × 6.2 mm).  LTM 455 EW Dimensions: (6.5 × 9.5 × 6.2 mm).  Center Frequency: 455kHz (450kHz is also available).  Input / Output Impedance: 100.

LTC455GU : Version: January 12, 2017 (LTM 455/450 U/W) Communication Ceramic Filters Web: www.token.com.tw Email: rfq@token.com.tw Token Electronics Industry Co., Ltd. Taiwan: No.137, Sec. 1, Zhongxing Rd., Wugu District, New Taipei City, Taiwan, R.O.C. 24872 Tel: +886 2981 0109 Fax: +886 2988 7487 China: 12F, Zhong Xing Industry Bld., Chuang Ye Road, Nan Shan District, Shen Zhen City, Guang Dong, China 518054 Tel: +86 755 26055363; Fax: +86 755 26055365  Product Introduction Introduction (LTM 455/450 U/W) Features :  LTM 455 EU Dimensions: (6.5 × 6.5 × 6.2 mm).  LTM 455 EW Dimensions: (6.5 × 9.5 × 6.2 mm).  Center Frequency: 455kHz (450kHz is also available).  Input / Output Impedance: 100.




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