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MAX4008EUT-T Просмотр технического описания (PDF) - Maxim Integrated

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MAX4008EUT-T Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
19-2743; Rev 3; 4/07
High-Accuracy, 76V, High-Side
Current Monitors in SOT23
General Description
The MAX4007/MAX4008 precision, high-side, high-volt-
age current monitors are specifically designed for mon-
itoring photodiode current in fiber applications. They
offer a connection point for the reference current and a
monitor output that produces a signal proportional to
the reference current. The monitor output of the
MAX4007 is a current proportional to the reference cur-
rent. The monitor output of the MAX4008 is a voltage
proportional to the reference current. The current moni-
tors have six decades of dynamic range and monitor
reference currents of 250nA to 2.5mA with better than
5% accuracy. The photodiode current can be moni-
tored from 10nA to 10mA with reduced accuracy.
The MAX4007/MAX4008 accept a supply voltage of
+2.7V to +76V, suitable for APD or PIN photodiode appli-
cations. Internal current limiting (20mA, typ) protects the
devices against short circuit to ground. A clamp diode
protects the monitor output from overvoltage. Additionally,
these devices feature thermal shutdown if the die temper-
ature reaches +150°C.
The MAX4007/MAX4008 are available in tiny, space-
saving 6-pin SOT23 packages, and operate over the
extended temperature range of -40°C to +85°C.
Applications
Photodiode Current-Monitoring Systems
Portable Instrumentation
Medical Instrumentation
Laboratory Instrumentation
Consumer Electronics
Current-to-Voltage Conversion
Level Translation
Selector Guide
PART
MAX4007EUT-T
MAX4008EUT-T
PIN-
PACKAGE
6 SOT23-6
6 SOT23-6
INTERNAL TYPICAL
RESISTOR ACCURACY (%)
None
5
10kΩ
1
Features
Wide Reference Current Dynamic Range
Guaranteed 250nA to 2.5mA with 5% Monitor
Accuracy
Extended 10nA to 10mA with 10% Monitor
Accuracy
Current (MAX4007) or Voltage (MAX4008) Monitor
Outputs
Reference Current-Limit Protection (20mA, typ)
Voltage Clamp Protects Subsequent Output
Circuitry
+2.7V to +76V Wide Voltage Range Operation
6-Pin SOT23 Packages
Ordering Information
PART
PIN-PACKAGE TOP MARK
PKG
CODE
MAX4007EUT-T 6 SOT23-6
MAX4008EUT-T 6 SOT23-6
ABNM
ABNO
U6S-3
U6S-3
Note: All devices are specified over the -40°C to +85°C operating
temperature range.
Pin Configuration
TOP VIEW
CLAMP 1
6 BIAS
MAX4007
GND 2 MAX4008 5 N.C.
Typical Operating Circuit appears at end of data sheet.
OUT 3
4 REF
SOT23
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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