HIP9022AM Intersil Corporation, HIP9022AM Datasheet

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HIP9022AM

Manufacturer Part Number
HIP9022AM
Description
Dual High Speed Laser Driver
Manufacturer
Intersil Corporation
Datasheet

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Part Number:
HIP9022AM
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Dual High Speed Laser Driver
The HIP9022 Dual High Speed Laser Driver is designed to
operate with a constant current drain from the power supply.
This current defines the laser operating power. The current is
accurately controlled in the range of 0.5A to 2A to deliver
constant optical power from the laser when used with an
external Power FET and Power Sense resistor. The operating
circuit allows flexibility in choosing driver current levels.
Eight S/H circuits are multiplex bus controlled to provide
analog data for the dual laser drivers. The bus is updated
during the blanking period of the laser printer scan with a
data rate up to 2.5MHz. A “thermo-electric-cooler” control
circuit provides temperature control of the laser. Two on-chip
ESD diodes protect each laser.
A principle advantage of the Dual High Speed Laser Driver is
accomplished by managing the high currents externally with
discrete Power FETs and thereby not forcing large switching
currents to exist on the same IC substrate with the precision
control circuitry.
Ordering Information
Pinout
HIP9022AM
PART NUMBER
PRELIMINARY
RANGE (
0 to 100
TEMP.
4-1
o
C)
LASERON1B
CTC1-10K
CTC1-27K
TECGDR1
TECREF1
TECFB1
XTEN1+
XTEN1-
68 Ld PLCC
VLOW1
GNDA1
GNDD1
TRES1
VUP1
SG_1
Data Sheet
PACKAGE
OC1
CC1
V
EE
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27 28 29 30 31 32 33
9
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
8
N68.95
PKG. NO.
7
6
5
HIP9022 (PLCC)
4
3
TOP VIEW
34
2
35
1
36
68 67 66 65 64 63 62 61
http://www.intersil.com or 407-727-9207
37
Features
• Dual High Speed Laser Driver with Data Rates up to
• 0.5A to 2A Range of Constant Current Source Controlled
• Low Signal Transients with Controlled Constant Current
• Laser Optical Power Controlled to Better than 0.5%
• Thermoelectric Cooler (TEC) Circuit to Control
• Multiplexed Sample/Hold (S/H) Bus Interface
• Serial Diagnostic Bus with Multiplexed Output
• High Current ESD Diodes for Laser Diode Protection
Applications
• Dual Laser Printer Driver
38
2.5MHz
to 0.1% Full Scale
Switching
Temperature to within 0.25
39
40
41
42
43
October 1998
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
VUP2
SG_2
VLOW2
GNDA2
GNDD2
CC2
XTEN2+
XTEN2-
CTC2-10K
CTC2-27K
LASERON2B
OC2
TECFB2
TECREF2
TECGDR2
TRES2
OT2
o
|
C
Copyright
File Number 4509.1
©
Intersil Corporation 1999
HIP9022

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HIP9022AM Summary of contents

Page 1

... Power FETs and thereby not forcing large switching currents to exist on the same IC substrate with the precision control circuitry. Ordering Information TEMP. o PART NUMBER RANGE ( C) PACKAGE 0 to 100 HIP9022AM 68 Ld PLCC Pinout VUP1 SG_1 VLOW1 V EE GNDA1 GNDD1 CC1 XTEN1+ ...

Page 2

ESD SHUNT ESD DRAIN-1 LASERPS +12V ESDD1 8 9V REG V/I REF V9P VUP1 11 SG_1 VLOW1 12 - GNDA1 14 15 ...

Page 3

Pin Descriptions PIN NUMBER SYMBOL 1, 2 ESD LASER GND Laser supply and system ground ESD SHUNT DRAIN-1 Laser diode ESD protection LASER PS-1 Laser power supply ESD protection Input for 12V ...

Page 4

Pin Descriptions (Continued) PIN NUMBER SYMBOL 38 A2 Refer to the Table 1 Address Map. The pins have an internal pull-up Refer to the Table 1 Address Map. The pins have an ...

Page 5

Absolute Maximum Ratings Maximum Analog Supply Voltage -0.3V to 14V DD Logic Supply Voltage ...

Page 6

Electrical Specifications T = 100 Unless Otherwise Specified (Continued) PARAMETER Driver Maximum Output Current Shunt Controller Switching Frequency ANALOG SAMPLE/HOLD AMPLIFIERS Low Level Input Voltage Low Level Input Current High Level Input Voltage Minimum Hysteresis Analog Input ...

Page 7

Address, Timing and Waveforms ADDRESS NUMBERS SAMPLE (SH_B INPUT) NULLB INPUT V IN INPUT DIAGNOSTIC (DIAGINB INPUT) FIGURE 2. ADDRESS WITH SAMPLE, NULL ...

Page 8

Circuit Block Descriptions Laser Drive Circuitry In Figure 3, the gate of the external current source Power FET driven via the Operational Transconductance Amplifier (OTA the IC. The voltage on the current sense resistor ...

Page 9

Both analog and digital data is input to control the action of the dual laser driver. Address codes and input data are described in the Table 1 Address Map. Digital data is normally entered first, followed by the analog data ...

Page 10

... All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification. Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time with- out notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...

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