SY88905KC TR Micrel Inc, SY88905KC TR Datasheet - Page 4

• Manufacturer Part Number: SY88905KC TR
• Description: IC LASER CTRLR 1.25GBPS 10MSOP
• Manufacturer: Micrel Inc
• Type: Laser Diode Controllerr

Specifications of SY88905KC TR

• Number Of Channels: 1
• Data Rate: 1.25Gbps
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 28mA
• Current - Bias: 25mA
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
• Mounting Type: Surface Mount
• Operating Supply Voltage (max): 5.5V
• Operating Temperature (min): 0C
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: SY88905KCTR; SY88905KCTR

Micrel, Inc.
V
Notes:
1.
2.
V
Note:
1. Individual product specifications over-ride general specifications.
diode modules intended for high-frequency fiber-optic
applications. The device is designed to operate with the
SY88902 laser diode driver providing Automatic Power
Control (APC) which provides bias current control and
monitor diode interface. The device also interfaces with the
SY88903 high-speed limiting amplifier providing chatter-free
Loss of Signal function.
Laser Diode Supply Current
the laser diode, DC bias.
M9999-081005
[e-mail] or [phone]
Symbol
I
I
I
A
V
V
I
A
Symbol
V
V
I
I
V
CC
CC
CC
BIAS SET
BIAS
BIAS FB
IH
IL
DC ELECTRICAL CHARACTERISTICS
TTL DC ELECTRICAL CHARACTERISTICS
DETAILED DESCRIPTION
V
V
BIAS
REF
COMP BIAS
BIAS FB
|
|
IH
IL
IK
The SY88905 is an integrated control circuit for laser
The SY88905 provides the adjustable drive current for
I
I
MD –
BIAS FB
PIN SET
BIAS SET
= +5V 10%
= +5V 10%
I
PIN SET
| / |
I
MD
Input HIGH Voltage
Input LOW Voltage
Input HIGH Current
Input LOW Current
Input Clamp Voltage
| =
Power Supply Current
I
I
I
Reference Voltage
V
V
Compliance Voltage
Feedback Current
Feedback Gain
BIAS SET
BIAS
BIAS
– I
PIN SET
BIAS
100 A
PIN SET
Output Current
Current Gain
Voltage Tracking
Parameter
Parameter
Voltage Tracking
|
Input Current
(2)
(1)
Min.
2.30
0.95
350
0.5
0.8
0.1
Min.
—
—
28
2.0
4
—
—
—
—
—
T
A
T
A
Typ.
= 0 C
—
—
—
—
—
—
—
—
—
—
= 0 C
Max.
–0.3
–1.2
100
0.8
20
—
Max.
3.30
1.35
1.20
0.9
1.0
40
25
44
14
—
Min.
2.30
0.95
Min.
350
0.5
0.8
0.1
2.0
28
—
—
T
—
—
—
—
—
4
4
A
Monitor Diode
light intensity, laser power out feedback from the monitor
diode in the laser diode package. This feedback is used to
adjust the I
circuit to maintain a near constant power output from the
laser diode.
T
= +25 C
A
The MD pin on the SY88905 provides low frequency
= +25 C
Typ.
2.75
1.13
500
1.0
0.4
28
—
—
37
—
Max.
–0.3
–1.2
100
0.8
20
—
Max.
3.30
1.35
1.20
0.9
1.0
40
25
44
14
—
BIAS
Min.
2.0
—
—
—
—
—
level through the Automatic Power Control
T
Min. Typ. Max. Unit
2.30
0.95
350
0.5
0.8
0.1
A
28
—
—
4
= +85 C
T
A
= +85 C
—
—
—
—
—
—
—
—
—
—
Max.
–0.3
–1.2
100
0.8
20
—
3.30
1.35
1.20
0.9
1.0
40
25
44
14
—
Unit
mA
V
V
V
A
mA
mA
mA
V
V
V
V
A
V
V
V
I
IN
No output load
=I
I
=V
=V
I
IN
IN
IN
REF
BIAS
= –12mA
BIAS
= 2.7V
= V
= 0.5V
REF
REF
Condition
Conditions
= -100 A
= 15mA
CC
/ I
– V
– V
—
—
BIAS SET
SY88905
PIN SET
BIAS SET