AK2358F Datasheet, PDF (9/26 Pages) Asahi Kasei Microsystems – Base-band LSI for Europian Cordless Telephones(CTI, CTI+)

ASAHI KASEI
[AK2358FI
I
Analog Characteristic s
1
f=lkHz, PCONT=’’1”, TC=”l”, EM=’’1”, VR1 to VR4=OdB: unless otherwise specified,
OdBm=O.775Vrms
1) TX system
OdBx=-5dBm at AVDD=2V Note 8)
Parameter
min
Standard input level @TXINO
Absolute gain
TXINO--+MOD
Note 1) 2.0
Limiter level
MOD lkHz
Note 1)
No external R
-4.5
Adjustment range by
external R
Compressor linearity TXINO~MOD Note 1) 2)
TXINO=-44dBx
-20
TXINO=-50dBx
-24
Noise without input TXINO+MOD Note 1) 3)
Compressor distortion TXINO-hlOD
TXINO=-10dBx
Transmission MSK
signal level
@MOD
Note 1)
1.2kHz signal output
-4.5
Transmission MSK
@MOD
Note 1)
signal distortion
1.2kHz si~nal outDut
typ
max
-lo
3.5
5.0
Unit
dBx ^-
dB
-3.5
-2.5
-2.5
dBx
-17.0 -14
dB
-20.0 -16
-36.5 dBm
-35
dB
-3.5
-2.5
dBx
-32
dB
2) RX system
Parameter
Standard input level @RXINO
Absolute gain
RXINO~BUFON, BUFOP
Note 1)
Expander linearity RXINO-BUFON, BUFOP
Note 1) 4)
RXINO=-25dBx
RXINO=-30dBx
Noise with no input RXINO-BUFON, BUFOP
Xote 1) 3)
Expander distortion RXINO~RXAF
RXINO=-5dBx
Reception MSK
@RXINO
signal level
1.2kHz signal output
max
Unit
I dBx
-1.5
0
t ^{-33.0 -30.0 -27.0}
dB
-45.0 -40.0 -35.0
T ^{-L -70 I dBm}
T
0152-E-00
8
1996 12