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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX4006 Datasheet

(MAX4004 / MAX4006) High-Side Current Monitors

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MAX4006 pdf
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19-2742; Rev 1; 5/03
High-Accuracy, High-Side Current Monitors
in SOT23
General Description
The MAX4004/MAX4006 precision, high-side, current
monitors are specifically designed for monitoring photo-
diode current in fiber applications. They offer a connec-
tion point for the reference current and a monitor output
that produces a signal proportional to the reference
current. The monitor output of the MAX4004 is a current
proportional to the reference current. The monitor out-
put of the MAX4006 is a voltage proportional to the ref-
erence current. The current monitors have six decades
of dynamic range and monitor reference current of
250nA to 2.5mA with better than 5% accuracy. The
photodiode current can be monitored from 10nA to
10mA with reduced accuracy.
The MAX4004/MAX4006 accept a +2.7V to +22V supply
voltage, suitable for PIN photodiode applications. (For
higher voltage applications, refer to the MAX4007/
MAX4008 data sheet.) Internal current limiting (20mA,
typ) protects the device against short-circuit-to-ground or
excessive current conditions. A clamp diode protects the
monitor output from overvoltage. Additionally, these
devices feature thermal shutdown if the die temperature
reaches +150°C.
The MAX4004/MAX4006 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
Features
o Wide Reference Current Dynamic Range
Guaranteed 250nA to 2.5mA with 5%
Accuracy
Extended 10nA to 10mA with 10% Monitor
Accuracy
o Current (MAX4004) or Voltage (MAX4006) Monitor
Output
o Reference Current-Limit Protection (20mA, typ)
o Voltage Clamp Protects Subsequent Output
Circuitry
o +2.7V to +22V Wide Voltage Range Operation
o 6-Pin SOT23 Packages
Ordering Information
PART
MAX4004EUT-T
MAX4006EUT-T
TEMP RANGE PIN-PACKAGE
-40°C to +85°C 6 SOT23-6
-40°C to +85°C 6 SOT23-6
TOP
MARK
ABNL
ABNN
Pin Configuration
Selector Guide
PART
PIN-PACKAGE INTERNAL TYPICAL
RESISTOR ACCURACY
MAX4004EUT-T 6 SOT23-6
None
5%
MAX4006EUT-T 6 SOT23-6
10k
1%
Typical Operating Circuit appears at end of data sheet.
TOP VIEW
CLAMP 1
6 BIAS
MAX4004
GND 2 MAX4006 5 N.C.
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.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX4006 Datasheet

(MAX4004 / MAX4006) High-Side Current Monitors

No Preview Available !

MAX4006 pdf
High-Accuracy, High-Side Current Monitors
in SOT23
ABSOLUTE MAXIMUM RATINGS
CLAMP to GND ......................................................-0.3V to +25V
BIAS, REF to GND ..................................................-0.3V to +25V
OUT to GND .........................................-0.3V to (VCLAMP + 0.6V)
Short-Circuit, REF to GND..........................................Continuous
Current into any Pin ..........................................................±30mA
Continuous Power Dissipation (TA = +70°C)
6-Pin SOT23 (derate 8.7mW/°C above +70°C)............696mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VBIAS = 5V, GND = 0V, REF = Open, VOUT = 0V (MAX4004), CLAMP = Open, TA = -40°C to +85°C. Typical values are at TA = +25°C,
unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Bias Voltage Range
VBIAS
Inferred from power-supply
rejection test
2.7
22 V
Bias Quiescent Current
Reference Voltage
Thermal Shutdown
Engage Temperature
IBIAS
VREF
TSHDN
IREF = 250nA
IREF = 2.5mA
IREF = 2.5mA
REF shorted to GND, junction
temperature rising
VBIAS - 1.1
40
3.6
VBIAS - 0.8
150
100
4
µA
mA
V
°C
Trip-Point Temperature
Hysteresis
THYS
REF shorted to GND, junction
temperature falling
5 °C
Input Current Limit
MAX4004
Output Current Noise
MAX4006
Output Voltage Noise
Output Resistance
Output Leakage
ILIM
iNOUT
eNOUT
ROUT
VREF = VBIAS - 5V
f = 0.1Hz to 10Hz
f = 0.1Hz to 10kHz
f = 0.1Hz to 10Hz
f = 0.1Hz to 10kHz
MAX4004
MAX4006
REF = open
IREF = 250nA
IREF = 2.5mA
IREF = 250nA
IREF = 2.5mA
IREF = 250nA
IREF = 2.5mA
IREF = 250nA
IREF = 2.5mA
IREF = 250nA
IREF = 2.5mA
20
0.3
63
9.2
1240
0.041
0.63
1.3
12.5
50
5
10
1
mA
pARMS
µVRMS
G
M
k
pA
Output Voltage Range
VOUT
VBIAS = 2.7V to 22V, IREF = 0 to 1mA,
MAX4004: IOUT/IOUT = ±1%,
MAX4006: VOUT/IOUT = ±1%
0 to VBIAS
- 1.5
0 to VBIAS
- 0.85
V
2 _______________________________________________________________________________________


Part Number MAX4006
Description (MAX4004 / MAX4006) High-Side Current Monitors
Maker Maxim Integrated Products
Total Page 10 Pages
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