Preliminary
DLBM-CH122
DLBM-CH122
Bluetooth
TM
Module Class 2
A Class 2 Bluetooth module suitable
for cellular phone, smart phone
applications.
TM
1.FEATURES:
Support DUN, SPP, AG & FAX profiles.
Minimal software effort to own Bluetooth functions.
Almost no resource required from host CPU.
Reducing the size and thickness greatly by using high-density
packaging technology.
Compliant to various interfaces: UART, USB, PIO ....
Wide operating temperature range: -30~+80
℃
.
2.Device diagram
ANT
Filter
Balun
UART
BC2 -Flash
-
FLASH
CODEC
handphone
USB
SPI/ PIO
Speaker / M IC
Or PCM
X ’TAL
Figure 1. DLBM-CH122 Block Diagram
Data Sheet
May 19, 2005
Proprietary Information and Specifications are Subject to Change
Preliminary
DLBM-CH122
3.General Specification
Bluetooth
TM
Specification
Frequency
Modulation
Transmission rate
Receive sensitivity
Maximum output power
Operating Voltage
Operating temperature
Antenna Impedance
Package size
Operating range
Current consumption (TX)
Current consumption (Standby)
Version 1.1
2402~2480MHz
FHSS/GFSK
721kbps
-80 dBm
+4dBm(Class 2)
2.7~3.6V
-30~+80℃
50 ohm
9.1*7.9*1.6mm
< 10 meters
< 35mA
< 2mA
4.Rating
Min
Storage Temperature
VDD_1.8V
VDD_IO
VREG_IN
Data Sheet
-40
-0.4
-0.4
-0.4
Max
+85
+1.9
+3.6
+3.6
Unit
℃
V
V
V
May 19, 2005
Proprietary Information and Specifications are Subject to Change
Preliminary
DLBM-CH122
5.Interface
Interface
Antenna
UART Interface
SPI Interface
PIO Interface
Description
External Antenna 50 ohm
TX,RX,RTS,CTS(9600bps~1.5Mbps)
Synchronous Serial Interface for firmware download
9 terminals
6.Power Supply Diagram
ANT
BPF
Balun
BC2-handphone
VDD_IO
X’tal
Figure 2. Power Supply Diagram
Terminal
VDD_1.8V
VDD_IO
VREG_IN
VDD=3.0V
NC
2.7 to 3.6V
2.7 to 3.6V
VDD=1.8V
1.7 to 1.9V
1.7 to 3.6V
NC
VREG_IN
Data Sheet
May 19, 2005
Proprietary Information and Specifications are Subject to Change
Preliminary
DLBM-CH122
7.RF Characteristics
Operating Condition: +25℃, VDD=2.7V
RF Characteristics
1. Frequency Range
2. Output Power
3. Sensitivity at 0.1% BER
1) 2402MHz
2) 2441MHz
3) 2480MHz
4. Maximum Input Level (BER≦0.1%)
5. Adjacent channel selectivity
1) C/I F=F
0
+ 1MHz
2) C/I F=F
0
- 1MHz
3) C/I F=F
0
+ 2MHz
4) C/I F=F
0
- 2MHz
5) C/I F≧F
0
+ 3MHz
6) C/I F≦F
0
- 5MHz
7) C/I F=F
Image
6. Adjacent channel transmit power
1) F=F
0
±
2MHz
2) F=F
0
±
3MHz
7. Modulation Characteristics
1) Modulation
Δf1avg
2) Modulation
Δf2max
8. Initial Carrier Frequency Tolerance
1) 2402MHz
2) 2441MHz
3) 2480MHz
Min.
Typ.
Max.
Unit
MHz
dBm
dBm
dBm
dBm
dBm
2400 ~ 2483.5
0
4
-82
-82
-82
3
-4
-4
-35
-21
-45
-45
-18
-35
-55
-9
0
0
-30
-20
dB
dB
dB
dB
dB
dB
dB
dBc
dBc
165
155
-75
-75
-75
-3
-7
-14
-
75
75
75
kHz
kHz
kHz
kHz
kHz
Data Sheet
May 19, 2005
Proprietary Information and Specifications are Subject to Change
Preliminary
DLBM-CH122
9. Carrier Frequency Drift
1) 1slot
2) 5slot
4) Drift rate
10. 20dB Bandwidth for modulated carrier
1) 2402MHz
2) 2441MHz
3) 2480MHz
11.C/I co - channel
9
10
8
879
816
819
9
kHz
kHz
KHz/50us
KHz
KHz
KHz
dB
Data Sheet
May 19, 2005
Proprietary Information and Specifications are Subject to Change
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