Electronic Components Datasheet Search |
|
SY88216LMG Datasheet(PDF) 3 Page - Micrel Semiconductor |
|
SY88216LMG Datasheet(HTML) 3 Page - Micrel Semiconductor |
3 / 11 page Micrel, Inc. SY88216L April 2008 3 M9999-040908-B hbwhelp@micrel.com or (408) 955-1690 Pin Description Pin Number Pin Name Pin Function 2 DIN+ Non-inverting input data. Internally terminated with 50 Ω to a reference voltage. 3 DIN- Inverting input data. Internally terminated with 50 Ω to a reference voltage. 5 BEN+ Non-inverting burst enable. Accepts any input, single-ended or differential: TTL/CMOS, LVPECL, CML, LVDS, HSTL, and SSTL. BEN requires an external termination. See Figure 2. 6 BEN- Inverting burst enable. Accepts any input, single-ended or differential: TTL/CMOS, LVPECL, CML, LVDS, HSTL, and SSTL. BEN requires an external termination. See Figure 2. 7 /EN Active low TTL/CMOS. Internally pulled-up. Pull-down with a 22k Ω or lower resistance or apply a low level signal (<0.8 V) to enable bias and modulation. Keep floating or apply a high level (>2 V) to disable. 9 OSC Internal oscillator setting option. Install a 0 Ω resistor from this pin to VCC or leave it open to set the frequency. Refer to the frequency table. 10 /APCFAULT Indicates APC failure when low. Active low TTL/CMOS. 12 PWRMON Power Monitor. Provides a current which is proportional to the sum of bias current and half of modulation current. Install a resistor between this pin and GND to convert that current to a voltage. 13 BIAS- Inverting laser bias current output. Pull-up to VCC with a resistor. 14 BIAS+ Non-inverting laser bias current output, sources current when BEN is high. Connect to the cathode of the laser through a resistor. 16 MOD+ Non-inverted modulation current output. Provides modulation current when input data is positive. 17 MOD- Inverted modulation current output. Provides modulation current when input data is negative. 20 MD Input from the laser monitoring photodiode. Connect to the anode of the photodiode for APC operation. 22 BIASMAX Install a resistor between this pin and GND to set the maximum bias current for the closed loop operation. The APC loop controls the bias current up to the level of BIASMAX. When the bias current reaches the maximum value set through this pin, the driver continues to sink a current equal to this maximum. For open loop operations, this pin sets the bias current. 23 MODSET Modulation current setting and control. The modulation current is set by installing an external resistor from this pin-to-ground or using a current source. 24 APCSET Bias current setting and control. The bias current is set by installing an external resistor from this pin to ground or using a current source. Connect a 50K resistor-to-GND for open loop operation. 8, 11,19 GND Ground. Ground and exposed pad must be connected to the plane of the most negative potential. 1, 4, 15, 18, 21 VCC Supply Voltage. Bypass with a 0.1µF//0.01µF low ESR capacitor as close to VCC pin as possible. Truth Table DIN+ DIN- /EN MOD+ (1) MOD- Laser Output (2) L H L H L L H L L L H H X X H H L L Oscillator Frequency OSC Frequency (MHz) Open 25 VCC 50 Notes: 1. IMOD = 0 when MOD+ = H. 2. Assuming that the laser is tied to MOD+. |
Similar Part No. - SY88216LMG |
|
Similar Description - SY88216LMG |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |