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Número de pieza | UAA3559HN | |
Descripción | Bluetooth RF Transceiver | |
Fabricantes | NXP Semiconductors | |
Logotipo | ||
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INTEGRATED CIRCUITS
DATA SHEET
UAA3559HN
Bluetooth RF transceiver
Objective specification
2003 Jul 04
www.DataSheet4U.com
www.DataSheet4U.com
1 page Philips Semiconductors
Bluetooth RF transceiver
Objective specification
UAA3559HN
handbook, full pagewidth
S_EN 8
STCTR 7
S_DATA 6
VSS 5
R_DATA 4
VDD 3
REFCLK 2
RSSI 1
bottom view
UAA3559HN
17 R_ON
18 T_ON
19 TXGND
20 TXA
21 TXB
22 VCC(TX)
23 PLLGND
24 VCC(PLL)
MDB180
Fig.2 Pin configuration.
FUNCTIONAL DESCRIPTION
Transmit chain
VCO; BUFFER AND DIVIDER
The VCO has a fully integrated tank circuit with on-chip
inductors, and an on-chip regulator which minimizes any
frequency disturbances caused by VCC variations. The
VCO regulator requires a decoupling capacitor to be
connected to pin VREG. The VCO operates at twice the
Bluetooth frequency.
The VCO signal is buffered and fed into a divide-by-two
circuit to produce the required Local Oscillator (LO)
frequencies for either transmit (TX) mode or receive
(RX) mode. The large difference between the transmitter
and VCO frequencies reduces transmitter to oscillator
coupling problems.
The output of the divide-by-two circuit drives the main
divider prescaler in the synthesizer and also drives the
TX preamplifier in TX mode, or the RX LO buffer in
RX mode. The high isolation between the VCO buffer and
the main divider ensures that only very small frequency
changes occur when the TX preamplifier or the RX section
are turned on. In the TX mode, the VCO is directly
modulated with GFSK data at pin VMOD.
TRANSMIT PREAMPLIFIER
The TX preamplifier gain is programmable in seven steps
of up to 4 dB and can either amplify the RF signal up to a
level of 9 dBm (typical), or attenuate the RF signal
to −7.5 dBm (typical), see Table 5.
The output of the TX preamplifier at pins TXA and TXB
can directly drive an antenna via a PIN diode switch and
band filter for Bluetooth power class 2 and 3 applications.
The type of TX preamplifier load can affect the frequency
of the VCO when the preamplifier powers up. This ‘pulling’
effect can be counteracted by changing the time at which
the preamplifier powers up, and is implemented by
selecting one of two possible ramp-up modes: ramp-up
mode 0 or ramp-up mode 1. In ramp-up mode 0, the
preamplifier powers up on the rising edge of STCTR.
In ramp-up mode 1, the preamplifier powers up on the
falling edge of STCTR; see Table 3 and timing diagrams
Figs 3 and 4.
2003 Jul 04
5
5 Page Philips Semiconductors
Bluetooth RF transceiver
Objective specification
UAA3559HN
SYMBOL
PARAMETER
CONDITIONS
∆fVCO(VTUNE)
∆f(slope)(l)
∆f(slope)(h)
∆fVCO(mod)
frequency variation with
voltage on pin VTUNE
tuning slope low band
tuning slope high band
frequency variation with
modulation input
defined at LO frequency;
0.3 < VCP < (VCC − 0.3)
note 3
note 3
defined at LO frequency;
VVMOD(DC) = 0.9 V
TX preamplifier
Po output power
Tamb = −30 to +85 °C; note 2
bits [12:10] = 000
bits [12:10] = 001
bits [12:10] = 010
bits [12:10] = 011
bits [12:10] = 100
bits [12:10] = 101
bits [12:10] = 110
bits [12:10] = 111
Ro resistive part of parallel output balanced; at 2450 MHz
impedance
Co
capacitive part of parallel
balanced; at 2450 MHz
output impedance
VCO(feedthru) VCO frequency feedthrough
level at TX output
referenced to Po at 2450 MHz;
note 2
C/N
carrier-to-noise ratio at
carrier offset is 500 kHz
TX output
carrier offset is 2500 kHz
Receiver section; notes 5 and 6
fi(RF)
Vo(RSSI)
RF input frequency
RSSI output voltage
monotonic over range
−86 to −36 dBm
with −36 dBm at RF input
with −86 dBm at RF input
twake
∆Pi(sens)
Pi(max)
αim
wake-up time between receiver
power-up and correct RSSI
output
input sensitivity
maximum useable input level
intermodulation rejection
no external capacitor on
pin RSSI
BER ≤ 10−3; with TX carrier
frequency offset up to ±115 kHz
for Tamb = −30 to +85 °C; note 2
BER ≤ 10−3; note 2
BER ≤ 10−3; desired
channel = −67 dBm; interfering
frequency at 5 and 10 channels
away from desired channel;
note 2
MIN.
−
−
−
0.8
−
−
−
−
1.5
−
−
−
−
−
−
−
−
2 402
−
tbf
−
−
−23
−
TYP.
120
110
110
1.0
−7.5
−4.5
−0.5
1.5
4.5
8
9
9
tbf
tbf
−20
−107
−126
−
1.6
0.3
8
−85
−
34
MAX.
−
−
−
1.2
−
−
−
−
7.5
−
−
−
−
−
−
−89
−
2 480
1.8
0.5
25
−73
−
−
UNIT
MHz/V
MHz/V
MHz/V
MHz/V
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
Ω
pF
dBc
dBc/Hz
dBc/Hz
MHz
V
V
µs
dBm
dBm
dBc
2003 Jul 04
11
11 Page |
Páginas | Total 21 Páginas | |
PDF Descargar | [ Datasheet UAA3559HN.PDF ] |
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