參數(shù)資料
型號(hào): 935263839118
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): 14/35頁
文件大小: 209K
代理商: 935263839118
2000 Feb 22
21
Philips Semiconductors
Product specication
SDH/SONET STM4/OC12 laser drivers
TZA3001AHL; TZA3001BHL;
TZA3001U
APPLICATION INFORMATION
handbook, full pagewidth
MGK276
R5
18
TZA3001AHL
VCC(R)
TONE
MONIN
11
C6(3)
TZERO
C7(4)
BGAP
22 nF
C8
2
4
5
6
1, 3, 8, 9, 11,
14, 16, 17,
24, 25, 32
15
13
12
GND
BIAS
LA
LAQ
19, 20,
27, 30
VCC(B)
VCC(G)
ALS
31
710
DINQ
29
DIN
28
ALARM
R1(5)
R2(5)
R3(6)
R4(6)
26
23
22
data inputs
normal mode
(CML/PECL compatible)
21
18
ALARMHI
laser
C9
MPD
ALARMLO
Z1(7)
C5(2)
L1
4
ONE
ZERO
C2
22 nF
VCC
C1
1
F
C3
22 nF
C4
22 nF
(1)
Fig.18 Application diagram showing the TZA3001AHL configured for 622 Mbits/s (STM4/OC12).
(1) Ferrite bead e.g. Murata BLM31A601S.
(2) C5 is required to meet the minimum capacitance value on pin MONIN (optional, see Section “Automatic laser control”).
(3) C6 enhances modulation control loop time constant (optional).
(4) C7 enhances bias control loop time constant (optional).
(5) R1 and R2 are used for setting optical 0 and optical 1 reference currents (see Section “Automatic laser control”).
(6) R3 and R4 are used for setting minimum and maximum bias currents (see Section “Bias alarm for TZA3001AHL”).
(7) Z1 is required for balancing the output stage (see Section “Power supply connections”).
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