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PDF MAX4004 Data sheet ( Hoja de datos )
| Número de pieza | MAX4004 | |
| Descripción | (MAX4004 / MAX4006) High-Side Current Monitors | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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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
10kΩ
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.
1 page  
High-Accuracy, High-Side Current Monitors
in SOT23
(TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics (continued)
STARTUP DELAY
(VBIAS = 5V, IREF = 250nA)
STARTUP DELAY
(VBIAS = 5V, IREF = 2.5mA)
CH1
0V
CH2
0V
VBIAS
CH1
BIAS
D.U.T.
REF OUT
R1
CH2
RREF
13pF
RTEST
RREF = 16.8MΩ
R1 = 118MΩ
RTEST = 1.67MΩ
CH1: 2V/div
CH2: 10mV/div
40ms/div
CH1
0V
CH2
0V
VBIAS
CH1
BIAS
D.U.T.
REF OUT
R1
CH2
RREF
13pF
RTEST
RREF = 1.68kΩ
R1 = 0Ω
RTEST = 14.0kΩ
CH1: 2V/div
CH2: 1V/div
4ms/div
STARTUP DELAY
(VBIAS = 2.7V, IREF = 250nA)
CH1
0V
CH2
0V
VBIAS
CH1
BIAS
D.U.T.
REF OUT
R1
CH2
RREF
13pF
RTEST
RREF = 8.8MΩ
R1 = 0Ω
RTEST = 8.1MΩ
CH1: 1V/div
CH2: 50mV/div
10ms/div
STARTUP DELAY
(VBIAS = 2.7V, IREF = 2.5mA)
CH1
0V
CH2
0V
VBIAS
CH1
BIAS
D.U.T.
REF OUT
R1
CH2
RREF
13pF
RTEST
RREF = 794Ω
R1 = 0Ω
RTEST = 4.01kΩ
CH1: 1V/div
CH2: 200mV/div
10ms/div
SHORT-CIRCUIT RESPONSE
(VBIAS = 5V)
TA = +148°C
A
CH1
0A
B
20ms/div
CH1: IBIAS, 10mA/div
A: REF SHORTS TO GND
B: CURRENT LIMIT ACTIVE
C: THERMAL SHUTDOWN
C
_______________________________________________________________________________________ 5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MAX4004.PDF ] | |
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