T2802 ATMEL [ATMEL Corporation], T2802 Datasheet - Page 2

• Manufacturer Part Number: T2802
• Description: 2.4 GHz WDECT/ISM SINGLE-CHIP TRANSCEIVER
• Manufacturer: ATMEL [ATMEL Corporation]

Pin Configuration
2
T2802
Table 1. Functional Block Description
Figure 2. Pinning QFN48
Name
AUX REG
BBF
CP
DAC
DEMOD
GF
IF AMP1
IF AMP2
IR MIXER
MCC
PC
PD
RAMP GEN
RC
RSSI
TX DRIVER
TX/RX SWITCH
VCO
VCO REG
REG_CTRL
REF_CLK
GND_CP
ENABLE
PU_REG
VS_REG
VS_PLL
CLOCK
VS_CP
VREG
DATA
LD
1
2
3
4
5
6
7
8
9
10
11
12
48
13
47
14
Description
Auxiliary voltage regulator
Baseband filter
Charge pump
D/A converter for demodulator tuning
Demodulator
Gaussian filter for transmit data
1st intermediate frequency amplifier
2nd intermediate frequency amplifier
Image rejection mixer
Modulation compensation circuit
Programmable counter
Phase detector
Ramp-signal generator
Reference counter
Received signal-strength indicator
Buffer amplifier for TX_OUT
Switches VCO signal to IR MIXER respectively TX DRIVER
Voltage-controlled oscillator
Voltage regulator for VCO
46
15
45
16
44
17
T2802
43
18
42
19
41
20
40
21
39
22
38
23
37
24
36
35
34
33
32
31
30
29
28
27
26
25
RAMP_OUT
IF_IN2
IF_IN1
VS_IF
TX_OUT
GND3
RF_IN2
RF_IN1
GND2
IF_TANK2
IF_TANK1
RSSI
4509F–DECT–10/03