M385 Unisonic Technologies, M385 Datasheet

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M385

Manufacturer Part Number
M385
Description
Manufacturer
Unisonic Technologies
Datasheet

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M385
MICROPOWER VOLTAGE
REFERENCE
features good temperature stability and extreme low dynamic
impedance when it is operated over a 10μA to 20mA current. Low
noise and good long-term stability are achieved because the UTC
M385 bandgap reference applies only bipolar transistors and
resistors.
due to the exceptional tolerance of capacitive loading. This voltage
reference can be applied in portable meters, regulators, or
general-purpose analog circuitry with battery life approaching shelf
life. The wide dynamic operating range contributes to its use with
widely varying supplies with excellent regulation. The low power
drain of the UTC M385 is useful for micropower circuitry. On-chip
trimming gives it the tight voltage tolerance. Furthermore, the wide
operating current can replace older references with a tighter
tolerance.
portable and battery-powered equipment, instrumentation, process
control, energy management, product testing, automotive, precision
audio components, and so on.
* Initial tolerance: 1%
* Operating current range:10μA~20mA
* Low temperature coefficient
* Low voltage reference
* Halogen free
Note: xx: Output Voltage, refer to Marking Information.
www.unisonic.com.tw
Copyright © 2009 Unisonic Technologies Co., Ltd
The UTC M385 is a micropower voltage reference. This device
The UTC M385 can be used in almost any reference application
The UTC M385 can be used in such applications, for example,
DESCRIPTION
FEATURES
ORDERING INFORMATION
M385G-xx-S08-R
Ordering Number
UNISONIC TECHNOLOGIES CO., LTD
Preliminary
Package
SOP-8
LINEAR INTEGRATED CIRCUIT
Tape Reel
Packing
QW-R101-028.b
1 of 6

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M385 Summary of contents

Page 1

... Furthermore, the wide operating current can replace older references with a tighter tolerance. The UTC M385 can be used in such applications, for example, portable and battery-powered equipment, instrumentation, process control, energy management, product testing, automotive, precision audio components, and so on. ...

Page 2

... NC Not connected Sinks current with a range from 20μA to 20mA for normal applications, a stable positive 8 + voltage, relative to Pin-, occurs on Pin- UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT Voltage Code + PIN FUNCTION MARKING UTC Date Code M385G XX Lot Code QW-R101-028.b ...

Page 3

... M385 Preliminary BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT QW-R101-028 ...

Page 4

... Reverse Breakdown Voltage Reverse Breakdown Voltage Charge with Current Reverse Dynamic Impedance Minimum Operating Current Wideband Noise Average Temperature Coefficient Long Term Stability LM385-2.5V PARAMETER Reverse Breakdown Voltage Reverse Breakdown Voltage Charge with Current Reverse Dynamic Impedance Minimum Operating Current Wideband Noise ...

Page 5

... UTC M385- (Note 2) I OUT C 150pF R2 V 100K REF I = OUT R 1 Precision 1µA to 1mA Current Source Reference from 1.5V Battery (Only for M385-1.2V) =2.5V, -3.7≤V+≤-27V REF =2.5V, 3.7≤V+≤27V REF =2.5V, R1=220KΩ REF 30V C UTC 150pF M385-XX R2 100K QW-R101-028 ...

Page 6

... M385 Preliminary UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury ...

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