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REVISIONS
NO 1 VERSION V 1.4 APPROVED 2007-08-01
Data Sheet
MTI04CS/MTI04CQ
MULTI-CHANNEL PROGRAMMABLE GAIN TRANSIMPEDANCE AMPLIFIER
Table of contents
1. GENERAL DESCRIPTION....................................................................................2 2. BLOCK DIAGRAM ................................................................................................2 3. DESCRIPTION OF INTERFACE...........................................................................3
3.1 Pinning.......................................................................................................................3 3.2 Adjustment of Transimpedance ................................................................................3 3.3 Switchable Frequency Range....................................................................................3 3.4 Power Down Modus ..................................................................................................3
4. DESCRIPTION OF FUNCTION ............................................................................4 5. ELECTRICAL CHARACTERISTICS ......................................................................4
5.1 Maximum Conditions.................................................................................................4 5.2 Operating Conditions ................................................................................................4 6.1 Shape And Dimensions .............................................................................................6 6.2 Pin-Configuration.......................................................................................................7
6. PACKAGES ..........................................................................................................6
7. ORDERING INFORMATION.................................................................................7 8. CONTACT.............................................................................................................7 9. APPLICATIONS ....................................................................................................8
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Approvals
Compiled: Checked: Released:
Date
2007-08-01 2007-08-01 2007-08-01 Status: valid
MAZeT GmbH
DOC. NO: DB-05-175e
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DATA SHEET MTI04CS/MTI04CQ
REVISIONS
NO 1 VERSION V 1.4 APPROVED 2007-08-01
1. GENERAL DESCRIPTION
The MTI-devices are a family of integrated circuits of programmable gain transimpedance amplifiers with 4 channels per IC (more custom specific, on request). The MTI-devices are mainly used for signal conditioning of sensors with current outputs. They are especially suitable for connection of photodiodes of array and row sensors. The possibility to adjust the transimpedance in 8 stages is a special feature. The adjustment is made by programming three pins and is valid for all channels together. The device packages (naked chip on request) are ROHS conform and optimized for COBmounting and SMD.
2. BLOCK DIAGRAM
GND SW1 SW2 SW3 SW4 VDD
Pb
C R
IIN<1> OPAMP 1 VREF VOUT<1>
C R PD IIN
OPAMP X VOUT
MTI04
The information contained in these documents reflects the current state of the art at the time of publication and is of a provisional nature. MAZeT explicitly reserves the right to make technical changes to the equipment and components described in the documentation. DOC. NO: DB-05-175e
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DATA SHEET MTI04CS/MTI04CQ
REVISIONS
NO 1 VERSION V 1.4 APPROVED 2007-08-01
3. DESCRIPTION OF INTERFACE
3.1 Pinning
signal name
VDD GND VREF SW1 SW2 SW3 SW4 PD IIN VOUT
a.) analog or digital
typ.
input input input input input input input input input output
a/da
a/d a/d a d d d d d a a
function
power supply power supply reference voltage input 1 for adjustment of transimpedance of MTIamplifier (pull down) input 2 for adjustment of transimpedance of MTIamplifier (pull down) input 3 for adjustment of transimpedance of MTIamplifier (pull down) switchable frequency range dependend on input capacitance of the photo-sensor (pull down) power down modus (pull down) analog current input of amplifier X analog voltage output of amplifier X
3.2 Adjustment of Transimpedance
settings of digital inputs SW1 SW2
VDD GND GND VDD GND VDD VDD GND VDD VDD VDD GND GND GND VDD GND
SW3
VDD VDD GND VDD VDD GND GND GND
transimpedance R
20MΩ – stage 1 10MΩ – stage 2 5MΩ – stage 3 2MΩ – stage 4 1M.