User's Manual

BT85x Series
Datasheet
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/bluetooth
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4 S PECIFICATIONS
Table 1: BT850 specifications
Categories Feature Implementation
Wireless
Specification
Bluetooth® V4.2 Dual Mode – BR / EDR / LE
Frequency 2.402 - 2.480 GHz
Maximum Transmit
Power
Class 1
+8 dBm from antenna
Receive Sensitivity -94 dBm
Range Circa 100 meters
Data Rates Up to 3 Mbps (over-the-air)
Host Interface USB Full speed USB 2.0
GPIO 3.3V for all general purpose I/Os
Operational Modes
HCI Host Controller Interface over USB
UHE USB HID Emulation
EEPROM 2-wire 512 K bits
Coexistence 802.11 (Wi-Fi) 2-Wire Cypress Global Coexistence Interface (GCI)
Supply Voltage Supply 3.3V +/-10%
Power
Consumption
Current
Idle Mode ~8 mA
File Transfer ~43 mA
Antenna Options Internal
External
Multilayer ceramic antenna
Trace Pad
Physical Dimensions
8.5 x 13 x 1.6 mm (BT850-Sx - modules)
16 x 43 x 11 (BT851 – USB dongle)
Environmental Operating -30° C to +85° C
Storage -40° C to +85° C
Miscellaneous
Lead Free Lead-free and RoHS-compliant
Warranty 1-Year warranty
Approvals Bluetooth® Controller Subsystem Approved
FCC/IC/CE/RCM/Giteki All BT85x series
5 P IN D EFINITIONS
Table 2: BT850 pin definitions
Pin No. Pin Name I/O Supply Domain Description If Unused
1 NC NC
2 NC
3 GND GND Ground GND
4 USB_D+ Bidirectional 3V3 USB data plus N/A