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參數(shù)資料
| 型號： | 935260371551 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 其它接口 |
| 英文描述： | SPECIALTY INTERFACE CIRCUIT, PQFP32 |
| 封裝： | PLASTIC, SOT-401, LQFP-32 |
| 文件頁數(shù)： | 32/35頁 |
| 文件大?。?/td> | 209K |
| 代理商： | 935260371551 |
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2000 Feb 22
6
Philips Semiconductors
Product specication
SDH/SONET STM4/OC12 laser drivers
TZA3001AHL; TZA3001BHL;
TZA3001U
handbook, full pagewidth
TZA3001BHL
MGK272
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
GND
MONIN
GND
TONE
TZERO
BGAP
VCC(G)
GND
V
CC(B)
GND
LAQ
GND
BIAS
GND
LA
GND
VCC(R)
DLOOPQ
ONE
VCC(R)
ZERO
DLOOP
GND
DIN
DINQ
V
CC(R)
ALS
GND
ENL
V
CC(R)
Fig.4 Pin configuration of TZA3001BHL.
FUNCTIONAL DESCRIPTION
The TZA3001AHL, TZA3001BHL and TZA3001U laser
drivers accept a 622 Mbits/s STM4 Non-Return to Zero
(NRZ) input data stream, and generate an output signal
with sufficient current to drive a solid state Fabry Perot
(FP) or Distributed FeedBack (DFB) laser. They also
contain dual loop control circuitry for stabilizing the true
laser optical power levels representing logic 1 and logic 0.
The input buffers present a high impedance to the data
stream on the differential inputs (pins DIN and DINQ);
see Fig.5. The input signal can be at a CML level of
approximately 200 mV (p-p) below the supply voltage, or
at a PECL level up to 800 mV (p-p). The inputs can be
configured to accept CML signals by connecting pins DIN
and DINQ to VCC(R) via external 50 pull-up resistors.
If PECL compatibility is required, the usual Thevenin
termination can be applied.
handbook, full pagewidth
MGS910
10 k
10 k
DINQ, DLOOPQ
DIN, DLOOP
100
GND
VCC(R)
100
Fig.5 DIN/DINQ and DLOOP/DLOOPQ inputs.
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