ATA5277 ATMEL Corporation, ATA5277 Datasheet - Page 2

• Manufacturer Part Number: ATA5277
• Description: Stand-alone Antenna Driver
• Manufacturer: ATMEL Corporation

Figure 1. Block Diagram
Pin Configuration
Figure 2. Pinning QFN 28
2
ATA5277 [Preliminary]
CBOOST
VSHUNT
PGND2
PGND3
PGND1
DRV1
QSC
VDS
VL1 VL2 VL3
AGND
zero crossing
Current and
sensing
converter
Boost
control
CBOOST
CINT
driver
driver
HS
LS
PGND1
PGND2
PGND3
DRV1
VDS
DGND
NC
ATA5277
1
2
3
4
5
6
7
SCANE SCANI
28 27 26 25 24 23 22
Regulator
8 9 10 11 12 13 14
VBATT VDD OSCI OSCO
5 V
control
Driver
logic
ATA5277
TEST
21
20
19
18
17
16
15
Oscillator
Control and
SW1
VDD
OSCI
OSCO
CLKO
TEST
SCANI
register
status
Serial interface
(single wire )
debounce
wake-up
Switch
and
VSW
SW2
CLKO
SW1
VDIO
DIO
4669B–RKE–10/03