MAX4006 Maxim, MAX4006 Datasheet

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MAX4006

Manufacturer Part Number
MAX4006
Description
The MAX4004/MAX4006 precision, high-side, current monitors are specifically designed for monitoring photodiode current in fiber applications
Manufacturer
Maxim
Datasheet

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Quantity
Price
Part Number:
MAX4006EUT+T
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX4006EUT+T
Quantity:
2 500
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.
19-2742; Rev 2; 2/06
Typical Operating Circuit appears at end of data sheet.
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.
MAX4004EUT-T
MAX4006EUT-T
PART
Photodiode Current-Monitoring Systems
Portable Instrumentation
Medical Instrumentation
Laboratory Instrumentation
Consumer Electronics
Current-to-Voltage Conversion
Level Translation
High-Accuracy, High-Side Current Monitors
PIN-PACKAGE
________________________________________________________________ Maxim Integrated Products
6 SOT23-6
6 SOT23-6
General Description
Selector Guide
RESISTOR
INTERNAL
None
10kΩ
Applications
ACCURACY
TYPICAL
5%
1%
♦ Wide Reference Current Dynamic Range
♦ Current (MAX4004) or Voltage (MAX4006) Monitor
♦ Reference Current-Limit Protection (20mA, typ)
♦ Voltage Clamp Protects Subsequent Output
♦ +2.7V to +22V Wide Voltage Range Operation
♦ 6-Pin SOT23 Packages
Note: All devices are specified over the -40°C to +85°C operating
temperature range.
MAX4004EUT-T
MAX4006EUT-T
Output
Circuitry
TOP VIEW
Guaranteed 250nA to 2.5mA with 5%
Accuracy
Extended 10nA to 10mA with 10% Monitor
Accuracy
PART
CLAMP
GND
OUT
PIN-PACKAGE
6 SOT23-6
6 SOT23-6
1
2
3
Ordering Information
MAX4004
MAX4006
SOT23
Pin Configuration
in SOT23
TOP MARK
6
5
4
ABNN
ABNL
BIAS
N.C.
REF
Features
CODE
U6S-3
U6S-3
PKG
1

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MAX4006 Summary of contents

Page 1

... 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 ...

Page 2

... I = 2.5mA REF I = 250nA REF MAX4004 I = 2.5mA REF MAX4006 REF = open V = 2.7V to 22V , BIA MAX4004: ∆I = ±1%, /I OUT OUT MAX4006: ∆V = ±1% /I OUT OUT = +25°C, A MIN TYP MAX UNITS 2 100 3.6 4 1.1 V 0.8 BIAS - BIAS - 150 ...

Page 3

... I = 2.5mA REF I = 10mA 12V REF BIAS I = 250nA ) MAX4004: REF V = 2.7V to 22V I = 1mA BIAS REF ) MAX4006 1mA REF V = 2.7V to 22V BIAS I settl es w ithi n 0.1 250nA REF C = 10nF b etw een 2.5mA RE F and GN D REF = +25°C). All temperature limits are guaranteed by design. ...

Page 4

High-Accuracy, High-Side Current Monitors in SOT23 (T = +25°C, unless otherwise noted.) A BIAS CURRENT vs. SUPPLY VOLTAGE 2.5mA REF 1 0 250nA REF 0. SUPPLY VOLTAGE (V) GAIN ERROR ...

Page 5

High-Accuracy, High-Side Current Monitors (T = +25°C, unless otherwise noted.) A STARTUP DELAY (V = 5V, I BIAS REF CH1 0V CH2 0V 40ms/div R = 16.8MΩ REF R1 = 118MΩ 1.67MΩ TEST CH1: 2V/div CH2: 10mV/div STARTUP ...

Page 6

... A SHORT-CIRCUIT RESPONSE (V = 22V) BIAS T = +120° CH1 0A 10ms/div CH1 10mA/div BIAS A: REF SHORTS TO GND B: CURRENT LIMIT ACTIVE C: THERMAL SHUTDOWN PIN MAX4004 MAX4006 — — _______________________________________________________________________________________ Typical Operating Characteristics (continued) vs. REFERENCE CURRENT 1. 2.7V BIAS 1 ...

Page 7

... Additional voltage margin can be created if a negative supply is used in place of a ground connection, as long as the overall voltage drop experienced by the MAX4004/MAX4006 is less than or equal to 22V. For this type of application, the MAX4004 is suggested so the output can be referenced to “true” ground and not the negative supply. The MAX4004’ ...

Page 8

... DC measurements are required. Determining the required filtering components is straightforward, as the MAX4004 exhibits a very high output impedance (>5MΩ), while the MAX4006 exhibits an output resis- tance of 10kΩ. In some applications where pilot tones are used to iden- tify specific fiber channels, higher bandwidths are desired at OUT to detect these tones ...

Page 9

High-Accuracy, High-Side Current Monitors 2.2µH +2.7V TO +22V 0.22µF 0.22µF PIN PHOTODIODE HIGH-SPEED DATA PATH _______________________________________________________________________________________ Typical Operating Circuit BIAS CURRENT MONITOR 10x 1x CLAMP CURRENT OUT CLAMP REF MAX4004 GND TO LIMITING TIA AMPLIFIER TRANSISTOR COUNT: 195 PROCESS: BiCMOS ...

Page 10

... For the latest package outline information www.maxim-ic.com/packages.) Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. ...

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