Overview Combining transmission/reception PLL, base band signal p
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Receiver 900MHz Analog Cordless Telephone AN8953FA
Overview
Combining transmission/reception PLL, base band signal processor, AN8953FA single-chip 900MHz analog cordless telephones. incorporating high-precision voltage detection circuits (for detecting power-down battery voltages) howling prevention circuit which have conventionally been extenally connected, AN8953FA helps reduce system cost space requirements.
12.00±0.20 (0.55) 10.00±0.20
Unit:mm
10.00±0.2 12.00±0.2
+0.10 0.30-0.05
Features
Supports broad-band frequency range (IF=10.7MHz). Built-in RSSI circuit (with two-stage settings). Built-in high-precision power-down detection circuit: detection precision Built-in high-precision battery detection circuit: detection precision Built-in howling prevention circuit. Built-in squelch circuit.
(0.775)
0.65
1.95±0.20
(1.00)
0.10±0.10
0.15-0.05
+0.10
SEATING PLANE
0.50±0.20
QFP056-P-1010A
Applications
900MHz analog cordless phones
Block diagram
Splatter Filter VCC3
VCC1
Amp1
Amp2
GND1
32/33
RSSI
Mute
EDET
32/33
Half Mute Vol. Control
GND3
Batt
Det. COMP
MUTE
Power Down
Data
BREF
VCC2 GND2
products specifications subject change without notice. Please latest product standards guarantee satisfaction your product requirements.
Semiconductor Company, Matsushita Electronics Corporation
Kotari Yakemachi, Nagaokakyo, Kyoto, 617-8520 Japan Tel. (075) 951-8151 http://www.mec.panasonic.co.jp
publication, effective from June 2000.
Description
Description Enable input COMP detection Splatter filter output
External splatter filter
COMP output
Description GND3 output Data input detection Pre-amp output Pre-amp input Detector output Noise filter input Noise filter output detector input amp2 output Noise Detection RSSI Detection amp2 input amp2 VREF amp1 output VCC1 amp1 input GND1
Description RX-counter BL,PD threshold selection RX-counter RX-counter input LD,RSSI,ND output Battery output Logic
RX-phase comparator output Logic Power Source Output TX-phase comparator output
COMP output VREF Power Down input Microphone output Microphone input
Audio system reference output
Power Down output VCC2 Data output GND2 output output input Half-Mute detection write
TX-counter TX-counter input TX-counter Xtal oscillator input Xtal oscillator output1 Xtal oscillator output2 Serial data input Clock input
Absolute Maximum Ratings
Parameter Storage temperature
Operating ambienttemperature
Symbol Tstg Topr
Rating +125
Unit
Note
Supply voltage Supply current Power dissipation
Note Ta=25°C except storage temperature operating ambient temperature. Note Power Supply Terminal VCC1(Pin36), VCC2(Pin12), RxVCC(Pin39), TxVCC(Pin49)) should supplied with same supply voltage. From call this supply voltage VCC. Note defined total current consumption above four power supply terminal.
Operating supply voltage range Operating supply voltage range
2.7V 5.5V
Electrical Characteristics 3.6V,Ta 25°C±2°C unless otherwise specified
Parameter Total Characteristics
Talk Mode Consumption Current Stby Mode Consumption Current
Power Mode Consumption Current
Symbol ITALK ISTBY ISTOP Vodet
Conditions
16.6 -21.5
23.2 13.9 -18.5
Unit
IFAMP2 FMDET PreAmp
Demodulated Output Level
Pin24 level with fc=10.7MHz,f=30kHz,fm=1kHz, 96dBµ
-24.5
Demodulated Output Distortion THDdet Compressor Splatter Filter Standard Output Level Gain1 Gain2 Distortion PreAmp Expander SpeakerAmp Standard Output Level Gain1 Gain2 Distortion Note1) VORE*1
Pin24 level with fc=10.7MHz,f=30kHz,fm=1kHz, 96dBµ
VORC THDC
-36dBm -36dBm -60dBm -36dBm -75dBm -36dBm
-17.5 -16.5
-15.5 -13.5
-13.5 -10.5
-19dBm -29dBm -39dBm -19dBm
-22.5
19.5
-16.5
E2*1 THDE*1
Volume1 Mode (Serial Data "EV1, EV2, EV3"
Electrical Characteristics (Reference Data Designing)
Parameter (Battery Low) Threshold Voltage Threshold Voltage VBS1 VBS2
Voltage when Pin-44 inverting, while changes from high low. Pin40 Voltage when Pin-44 inverting, while changes from high low. Pin40
Symbol
Conditions
3.038
3.57
3.162 3.642
Unit
(Power Down) Threshold Voltage VPS1 VPS2
Voltage when Pin11 inverting, while changes from high low. Pin40
2.716
2.884
Threshold Voltage (Noise Squelch)
Output H-Level when weak carrier Output L-Level when strong carrier
Voltage when Pin11 inverting, while changes from high low. Pin40
3.259
3.36
3.461
VNSH VNSL
Pin-43 Voltage when Vin=30kHz, -30dBm Pin-43 Voltage when Vin=30kHz, -55dBm
above characteristics refence values designing guaranteed values.
Electrical Characteristics (Reference Data Designing)
Parameter (RSSI)
Output H-Level when weak carrier Output L-Level when strong carrier
Symbol VRSH VRSL VBREF GIF1 GIF2 GMIC GPRI VDSL
Conditions
2.45
Unit
mVp-p
Voltage when Vin=10.7MHz, 96dBµ Voltage when Vin=10.7MHz, 46dBµ
(Other) Reference Voltage Base-band Reference Voltage Amp1 Gain Amp2 Gain Voltage Gain Preamp Voltage Gain Speaker Voltage Gain
Data Minimun Detection Level
Vin=-36dBm Vin=-19dBm RL=60
Pin-22 minimum input level when pulse outputed from Pin-12. Input signal: 800Hz pulse
above characteristics refence values designing guaranteed values.
Serial Data Configuration
Data
STBY
Battery save function
output setting
FLD1
MICM
TEST
Function control Gain control counter
sensivity setting
Charge pump control
MUTE function
PSTESTZEM
TXSW
BLD1 CHSWR CHSWT
Electronic volume gain setting
Half-Mute Half-mute On-level setting
XTAL TANK
counter
counter
BZAP0 BZAP1 BZAP2 foZAP0 foZAP1 foZAP2 foZAP3 LZAP0 LZAP1 LZAP2
Serial Data Input Timing, Input Voltage
tsu: Setup Time (Data Clock) tsu: Setup Time (Clock Enable) Hold Time (Clock Data) tREC2: Recovery Time (Enable falling edge Clock) tH2: Hold Time (Enable rising edge Falling edge) DATA tREC2 0.3V 0.3V (Clock next data) 0.3V
Notice about Counter Input
Counter Input Level (dBµVEMF)
Vcc=3.6V Temp=25°C Input Termination
Abnormaly Operating
Abnormaly Operating
FREQUENCY (MHz)
Safety operation area RX/TX-PLL Counter considering temperature characteristics shown above (Area drawed oblique lines). Therefore RX/TX-VCO output levels frequencies within this area.
HalfMute Operation
Speaker Output Level (dBm)
(BL1,2) (0,0)
(BL1,2) (0,1) (BL1,2) (1,0)
Half Mute
12dB
MicAmp Output Level (dBm)
Application Circuit
PowDown BattLow 2.8V 3.1V 3.36V 3.57V MIX1
IF-BPF 10.7MHz
IF-BPF 10.7MHz
1GHz 500MHz sigout BattLow 1GHz 500MHz DATA
Splatter Filter VCC3
IFREF
RSSI NDET
VCC1
Amp1
Amp2
GND1
32/33
RSSI
Mute
EDET
32/33
Half Mute Vol. Control
GND3
Batt
X-tal Oscillator 10.25MHz
Det. COMP
MUTE
Power Down
Data
BREF
VCC2 GND2
Serial Data Input CDET H:STBY/Active L:PowerOff
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