MC145745FW Freescale, MC145745FW Datasheet - Page 5

• Manufacturer Part Number: MC145745FW
• Manufacturer: Freescale

Specifications of MC145745FW

• Main Category: Single Chip
• Power Supply Type: Analog
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Pin Count: 28
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Supplier Unconfirmed

MOTOROLA
TRANSMIT CARRIER CHARACTERISTICS
TRANSMIT ATTENUATOR CHARACTERISTICS
RECEIVER CHARACTERISTICS
CPTD CHARACTERISTICS
V.21 Carrier Frequency
Originate Mode
Originate Mode
V.21 Carrier Frequency
Answer Mode
Answer Mode
V.23 Carrier Frequency
Transmit Carrier Level
Secondary Harmonic Level
Out–of–Band Level
Attenuation Range
Attenuator Accuracy
Input Resistance
Receive Carrier Amplitude
Carrier Detection
Threshold
Threshold
Hysteresis (V CDON – V CDOFF )
Carrier Detection Timing
BPF Center Frequency
BPF Pass–Band Lower Cut–Off
Frequency
BPF Pass–Band Upper Cut–Off
Frequency
CPT Detection Level
CPT Detection Timing
Characteristic
Characteristic
Characteristic
Characteristic
OFF to ON
ON to OFF
OFF to ON
ON to OFF
10 – 15 dB
Space “0”
Space “0”
Space “0”
VTD ON
VTD OFF
TTD ON
TTD OFF
Mark “1”
Mark “1”
Mark “1”
1 – 5 dB
6 – 9 dB
(Includes Hybrid, Demodulator, and Carrier Detector)
V CDOFF
T CDOFF
V TDOFF
T TDOFF
V CDON
Symbol
Symbol
Symbol
T CDON
Symbol
V TDON
T TDON
R IRX
V IRX
V OE
H YS
AC ELECTRICAL CHARACTERISTICS
(V CC = + 3.6 V
V 2h
f 1M
f 2M
f 1M
f 1S
f 2S
f 1S
V O
f c
f h
f i
Oscillation Frequency:
3 579545 MHz (X2)
3.579545 MHz (X2)
or 7.159090 MHz (ECLK)
or 7.159090 MHz (ECLK)
Transmit Attenuator = 0 dB
RTLA
RTLA = 0, R L = 1.2 k
V TxA1 – V TxA2
V TxA1
CDA = 1.25 V
f i
f in = 1.0 kHz
BR3 (b1) = 1
BR3 (b1) = 1
CD1 = 0, CD0 = 0, CD Pin
CD1 = 0, CD0 = 1, CD Pin
CD1 = 1, CD0 = 0, CD Pin
CD1 = 1, CD0 = 1, CD Pin
CD1 = 0, CD0 = 0, CD Pin
CD1 = 0, CD0 = 1, CD Pin
CD1 = 1, CD0 = 0, CD Pin
CD1 = 1, CD0 = 1, CD Pin
– 3 dB
– 3 dB
CDA = 1.25 V
f i
f in = 400 Hz
BR3 (b1) = 1
BR3 (b1) = 1
1 0 kHz
400 Hz
0 R L
Conditions
Conditions
Conditions
Conditions
V TxA2
0.3 V, T A = – 30 to + 85 _ C)
1 2 k
1644
1844
1294
2094
– 0.5
– 1.7
1174
– 48
Min
Min
Min
Min
974
– 1
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
2
Refer to Figure 1
1650
1850
1300
2100
1180
– 40
– 44
– 47
– 44
– 47
Typ
Typ
Typ
Typ
980
500
450
400
330
470
15
15
75
30
30
15
10
10
25
—
—
—
—
—
—
4
1656
1856
1306
2106
1186
Max
Max
Max
– 12
Max
986
0.5
15
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
MC145745
Unit
dBm
dBm
Unit
Unit
dBm
dBm
Unit
dBm
ms
ms
Hz
dB
dB
dB
k
dB
Hz
Hz
Hz
5