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PDF AK2546 Data sheet ( Hoja de datos )
| Número de pieza | AK2546 | |
| Descripción | 7 channel T1 Transceiver | |
| Fabricantes | Asahi Kasei Microsystems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AK2546 (archivo pdf) en la parte inferior de esta página. Total 27 Páginas | ||
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ASAHI KASEI
[AK2546]
AK2546
7 channel T1 Transceiver
FEATURE
• 7ch short haul T1 transceiver
• Jitter Tolerance: Compliant with GR-499 Category I, II
• Transmitter Pulse Shape: Compliant with GR-499
• Loss of Signal Detection
• Selectable Signal Polarity
• Local/Remote Loopback
• Parallel Microprocessor Interface
• Single 3.3V±5% Operation
• Low Power Consumption (105mW/ch: Typ)
• Pin-to-pin compatible with AK2548 (7 channel E1 transceiver)
• Small Plastic Package 144pin LQFP
MCLK
CLKSEL
RESET
TEST1-5
RTIP1
RRING1
TTIP1
TRING1
RTIP2-7
RRING2-7
TTIP2-7
TRING2-7
CLKGEN
BLOCK DIAGRAM
CONTROL
TRANSCEIVER 1
LOS
RECOVER
SHAPER
TRANSCEIVER 2-7
7 Channel T1 Transceiver Block Diagram
R /W (WR)
AD7-AD0
AS(ALE)
DS(RD)
CS
BTS
INT
LOS1
RCLK1
RPOS
RNEG1
TCLK1
TPOS
TNEG1
LOS2-7
RCLK2-7
RPOS2-7
RNEG2-7
TCLK2-7
TPOS2-7
TNEG2-7
C0019-E-01
1
1999/9
1 page  
ASAHI KASEI
[AK2546]
Pin No.
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
Pin Name
RAVDD1
LOS4
LOS3
LOS2
LOS1
RNEG4
RPOS4
RCLK4
TNEG4
TPOS4
TCLK4
DVDD1
DVSS1
DAVSS1
RNEG3
RPOS3
RCLK3
TNEG3
TPOS3
TCLK3
TAVSS1
TAVDD1
IOVSS1
IOVDD1
RNEG2
RPOS2
RCLK2
TNEG2
TPOS2
TCLK2
RNEG1
RPOS1
RCLK1
TNEG1
TPOS1
TCLK1
I/O Pin Type
I Power
O CMOS
O CMOS
O CMOS
O CMOS
O CMOS
O CMOS
O CMOS
I CMOS
I CMOS
I CMOS
I Power
I Power
I Power
O CMOS
O CMOS
O CMOS
I CMOS
I CMOS
I CMOS
I Power
I Power
I Power
I Power
O CMOS
O CMOS
O CMOS
I CMOS
I CMOS
I CMOS
O CMOS
O CMOS
O CMOS
I CMOS
I CMOS
I CMOS
AC Load
≤15pF
≤15pF
≤15pF
≤15pF
≤15pF
≤15pF
≤15pF
≤15pF
≤15pF
≤15pF
≤15pF
≤15pF
≤15pF
≤15pF
≤15pF
≤15pF
DC Load
Comments
C0019-E-01
5
1999/9
5 Page 
ASAHI KASEI
[AK2546]
TRANSMITTER
Transmitter characteristics are guaranteed on the conditions as shown below.
VDD=3.3V±5%, VSS, GND=0V,Ta=-40~85°C,
MCLK frequency: 1.544MHz±100ppm, 24.704MHz±100ppm
Parameter
Symbol Min Typ Max Units
Condition
Output Pulse Shape
GR-499,Note1
Output Pulse Amplitude
2.5 3.0 3.5 V0p Note1, Note2
Output Pulse Imbalance
0.4 dB
Output Jitter
10Hz-8kHz
0.02 UIpp
10Hz-40kHz
0.025
8kHz-40kHz
0.025
Broad Band
0.05
Power Levels@772kHz
12.6 15 17.9 dBm Note3
Power Levels @1.544MHz
-29 dB Note3, Note4
Note1: Measured at the DSX terminated with 100Ω.
Note2: Amplitude at the pulse center to normalize to unity.
Turns Ratio and DCR are recommended value.
Note3: Measured in a 2kHz band width around the specified frequency. Transmit all mark pattern.
Note4: Compare to the power at 772kHz
ISOLATED PULSE MASK (GR-499)
Normalized Amplitude
1.5
1
0.5
0
-0.5
-1
-1
-0.5 0
0.5
Time, in Unit Intervals
1
1.5
C0019-E-01
11
1999/9
11 Page | ||
| Páginas | Total 27 Páginas | |
| PDF Descargar | [ Datasheet AK2546.PDF ] | |
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