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Product Descriptions

The LC1531 is a monolithic combo integrating GPS Measurement Engine (ME), Bluetooth  and Bluetooth Low Energy (BLE) and FM TX/RX. It is manufactured in 45 nm CMOS  technology and provided in a WLCSP package. The CX2001 is optimized for best in class  power consumption with a very high level of integration. 

The LC1531 needs a low number of external components making integration in mobile  applications easy.

Product Features

? High co-existence and co-habitation performance with each subsystem working simultaneously at high performance

? Small dimensions: 3.80 x 4.07 x 0.6 (mm) in 85-ball WLCSP package with 0.4 mm pitch

? Minimal number of standard external components

? Shared clock and supply inputs for all functions

? Single-ended antenna ports

? Support for 1.8 V and direct Vbatt connection

? HCI commands to control all subsystems over the same shared UART interface

? System interfaces: UART, SPI, PCM, I2S, control interfaces, FM analog audio output, WLAN ePTA, and WiMAX PTA.

? Audio DSP: embedded BT wide band speech SBC codec, A2DP SBC stereo encoding and L2CAP encapsulation to reduce host 

processing and power consumption

? Direct loop-through mode from FM Rx audio to BT A2DP

? Application footprint on PCB < 50mm2 with less than 10 externals components

GPS features

? Advanced proprietary multipath algorithms for robust low-dropout tracking in indoor and outdoor urban canyons

? GSM, WCDMA and CDMA control plane aGPS assistance data standards

? SUPL user plane aGPS assistance data

? Exceeds 3GPP and TIA performance requirements

? -165 dBm low sensitivity limit for tracking (GPS), -161 dBm for acquisition (aGPS)

? Cold start 2 seconds aGPS and 38 seconds autonomous GPS (typical)

? Measurement engine with a search capacity of 35000 correlators

? 14 search and three track channels used to track up to 47 individual satellite signals

? Support the 1PPS industry standard interface

Bluetooth features

? Full compliance with Bluetooth specification version 4.0 (including Bluetooth Low Energy)

? Output power of up to 13 dBm

? -92 dBm sensitivity in basic rate

? Low power consumption: 140 μA (sniff), 12.4 mA (HV3) and 9.2 mA (2-EV3) in master modes

FM TX/RX features

? Embedded (loop) antenna support for FM TX/RX

? True worldwide FM RX band support (70 - 108 MHz), for wire antenna with single application

? FM TX on dual FM channel (with RDS AF list) for robust FM transmission

? R(B)DS modulator/demodulator and encoder/decoder compliant with EN 62106

? FM TX: up to 120 dBμV output power

? FM RX: 1.1 μVEMF sensitivity and 7 μVEMF RDS sensitivity

? Low power consumption: 12.6 mA in FM RX mode, 11.1 mA on 1.8 V and 3.8 mA on 

2.5 V in FM TX mode

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