DLBM-CA120/121
Data Sheet
April 20, 2005
Proprietary Information and Specifications are Subject to Change
DLBM-CA120
(16Kbit EEPROM)
DLBM-CA121
(64Kbit EEPROM)
Bluetooth Module Class 2
A Class 2 Bluetooth module suitable for
wireless Audio applications.
1.FEATURES:
Suitable for Headset, MP3... applications.
Reducing the size and thickness greatly using high-density
packaging technology.
High sensitivity to achieve better performance.
Compliant to various interfaces: UART, USB, PIO...
Wide operating temperature range: -30~+80
.
2.Device diagram
Figure 1. DLBM-CA120/CA121 Block Diagram
TM
DLBM-CA120/121
Data Sheet
April 20, 2005
Proprietary Information and Specifications are Subject to Change
3.General Specification
Bluetooth Specification
Version 1.1
Frequency
2402~2480MHz
Modulation
FHSS/GFSK
Transmission rate
721kbps
Receive sensitivity
-83dBm
Maximum output power
+4dBm(Class 2)
Operating Voltage
1.8V or 2.2~3.6V
Operating temperature
-30~+80
Antenna Impedance
50 ohm
Package size
9.1*7.9*1.5mm
Talk time (Audio application)
*Up to 4.5 hours (120mA Battery)
Stand-by time (Audio application)
*Up to 200 hours (120mA Battery)
* Base on application circuit figure 7*
4.Rating
Min
Max
Unit
Storage Temperature
-40 +150
VDD_1.8V
-0.4 +1.9
V
VDD_IO
-0.4 +3.6
V
VREG_IN
-0.4 +4.2
V
TM
DLBM-CA120/121
Data Sheet
April 20, 2005
Proprietary Information and Specifications are Subject to Change
5.Recommended Operating conditions
Min
Max
Unit
Guaranteed RF performance
range
-10 +70
VDD_1.8V
+1.7 +1.9
V
VDD_IO
+2.7 +3.6
V
VREG_IN
+2.2 +4.2
V
6.Interface
Interface Description
Antenna
External Antenna 50 ohm
UART Interface
TX,RX,RTS,CTS(9600bps~1.5Mbps)
SPI Interface
Synchronous Serial Interface for firmware download
PIO Interface
9 terminals
DLBM-CA120/121
Data Sheet
April 20, 2005
Proprietary Information and Specifications are Subject to Change
7.Power Supply Diagram
Figure 2. Power Supply Diagram
Terminal
VDD=3.0V
VDD=1.8V
VDD_1.8V
NC 1.7
to
1.9V
VDD_IO
2.7 to 3.6V
2.7 to 3.6V
VREG_IN
2.7 to 3.6V
NC
8.RF Characteristics
Operating Condition: +25
, VDD=1.8V
RF Characteristics
Min.
Typ.
Max.
Unit
1. Fequency Range
2400 ~ 2483.5
MHz
2. Output Power
-6
1.5
4
dBm
3. Sensitivity at 0.1% BER
1) 2402MHz
-70
-83
dBm
2) 2441MHz
-70
-83
dBm
3) 2480MHz
-70
-83
dBm
4. Maximum Input Level (BER
0.1%)
-20
0
dBm
ANT
X'tal
BPF
VDD_1.8V
BC2-Audio
VDD_IO
VREG_IN
Balun
EEPROM
DLBM-CA120/121
Data Sheet
April 20, 2005
Proprietary Information and Specifications are Subject to Change
5. Adjacent channel selectivity
1) C/I F=F
0
+ 1MHz
-4
0
dB
2) C/I F=F
0
- 1MHz
-4
0
dB
3) C/I F=F
0
+ 2MHz
-35
-30
dB
4) C/I F=F
0
- 2MHz
-21
-20
dB
5) C/I F
F
0
+ 3MHz
-45
dB
6) C/I F
F
0
- 5MHz
-45
dB
7) C/I F=F
Image
-18
-9
dB
6. Adjacent channel transmit power
1) F=F
0
2MHz
-35
-20
dBc
2) F=F
0
3MHz
-55
-40
dBc
7. Modulation Characteristics
1) Modulation
f1avg
140
165
175
kHz
2) Modulation
f2max
115
155
kHz
8. Initial Carrier Frequency Tolerance
1) 2402MHz
-75
-12
75
kHz
2) 2441MHz
-75
-11
75
kHz
3) 2480MHz
-75
-10
75
kHz
9. Carrier Frequency Drift
1) 1slot
-20
9
20
kHz
2) 5slot
-25
10
25
kHz
4) Drift rate
-20
6.5
20
KHz/50us
10. 20dB Bandwidth for modulated carrier
1) 2402MHz
879
1000
KHz
2) 2441MHz
816
1000
KHz
3) 2480MHz
819
1000
KHz
11.C/I co - channel
9
11
dB
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