LT6650HS5#TRM Linear Technology, LT6650HS5#TRM Datasheet

IC REF 400MV R-R BUFFER TSOT23-5

LT6650HS5#TRM

Manufacturer Part Number
LT6650HS5#TRM
Description
IC REF 400MV R-R BUFFER TSOT23-5
Manufacturer
Linear Technology
Datasheet

Specifications of LT6650HS5#TRM

Reference Type
Series
Voltage - Output
400mV
Tolerance
±1.5%
Temperature Coefficient
30ppm/°C
Voltage - Input
1.4 ~ 18 V
Number Of Channels
1
Current - Quiescent
11µA
Current - Output
200µA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TSOT-23-5, TSOT-5, TSOP-5
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Cathode
-
Other names
LT6650HS5
LT6650HS5

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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LT6650HS5#TRMLT6650HS5
Manufacturer:
LT
Quantity:
10 000
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Part Number:
LT6650HS5#TRMLT6650HS5#PBF
Manufacturer:
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Part Number:
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0
APPLICATIO S
FEATURES
TYPICAL APPLICATIO
Low Quiescent Current 5.6
Wide Supply Range: 1.4V to 18V
400mV Reference
Temperature at 5V
Rail-to-Rail Buffer Amplifier
0.5% 400mV Maximum Initial Accuracy at 5V
Shunt Configurable
Sinks and Sources Current
Wide Operational Range –40°C to 125°C
Externally Adjustable Output Voltage
Low Profile 1mm 5-lead SOT-23
(ThinSOT™) Package
Battery-Operated Systems
Handheld Instruments
Industrial Control Systems
Data Acquisition Systems
Negative Voltage References
1µF
Battery-Powered 0.4V Reference
V
IN
V
REFERENCE
= 1.4V TO 18V
R
= 400mV
U
4
IN
GND
2
I
Q
±
≈ 6µA
1% Maximum Accuracy Over
+
µ
A (typical)
U
LT6650
OUT
FB
6650 TA01a
5
1
1µF
V
0.4V
OUT
DESCRIPTIO
The LT
ence. Operating with supplies from 1.4V up to 18V, the
device draws only 5.6µA typical, making it ideal for low
voltage systems as well as handheld instruments and
industrial control systems. With only two resistors the
internal buffer amplifier can scale the 400mV reference to
any desired value up to the supply voltage.
The reference is postpackage-trimmed to increase the
output accuracy. The output can sink and source 200µA
over temperature. Quiescent power dissipation is 28µW.
Stability is ensured with any output capacitor of 1µF or
higher.
The LT6650 is the lowest voltage series reference available
in the 5-lead SOT-23 package.
ThinSOT is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Reference with Rail-to-Rail
, LTC and LT are registered trademarks of Linear Technology Corporation.
Buffer Amplifier in SOT-23
®
6650 is a micropower, low voltage 400mV refer-
402
401
400
399
398
–50
Micropower, 400mV
TYPICAL LT6650 PART
V
SINK 200µA
IN
–30
= 5V
LT6650 Temperature Drift
U
–10
SOURCE –200µA
TEMPERATURE (°C)
10
30
NO LOAD
50
70
90
110
6650 TA01b
130
LT6650
6650fa
1

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LT6650HS5#TRM Summary of contents

Page 1

... Stability is ensured with any output capacitor of 1µF or higher. The LT6650 is the lowest voltage series reference available in the 5-lead SOT-23 package. , LTC and LT are registered trademarks of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. 402 ...

Page 2

LT6650 ABSOLUTE AXI U RATI GS (Note 1) Total Supply Voltage (V to GND)........................... 20V IN FB Voltage (Note 2) ....................... 20V to (GND – 0.3V) Output Voltage (OUT) .................... 20V to (GND – 0.3V) Output Short-Circuit ...

Page 3

ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T otherwise noted. SYMBOL PARAMETER T Output Voltage Temperature C Coefficient (Note 10) ∆V Dropout Voltage (Note Short-Circuit Output Current SC I Supply Current Pin Input ...

Page 4

LT6650 W U TYPICAL PERFOR A CE CHARACTERISTICS Output Voltage Temperature Drift 404 TYPICAL PART 403 402 401 V = 1.4V IN 400 399 V = 18V 398 397 396 –60 –40 – ...

Page 5

W U TYPICAL PERFOR A CE CHARACTERISTICS Minimum Input-Output Voltage Differential (Sinking 1.425V - TYP (RF = 100k 39.2k) OUT 0.1% V OUT –100 –55°C –200 25°C –300 –400 125°C –500 10 100 1000 OUTPUT ...

Page 6

LT6650 W U TYPICAL PERFOR A CE CHARACTERISTICS Output Impedance vs Frequency 1000 I = 0µA OUT R = 0Ω 10µF L 100 C = 1µ 47µ 100 1k 10k ...

Page 7

CTIO S FB (Pin 1): Resistor Divider Feedback Pin. Connect a resistor divider from OUT to GND and the center tap to FB. This pin sets the output potential. GND (Pin 2): Ground Connection. DNC ...

Page 8

LT6650 U U APPLICATIO S I FOR ATIO operated from a small battery or other relatively high impedance source, a minimum 1µF capacitor is recom- mended. PSRR can be significantly enhanced by adding a low-pass RC filter on the input, ...

Page 9

U U APPLICATIO S I FOR ATIO step between 100µA and 200µA in Figure 7. Load step settling occurs in about 0.5ms or less (to ±0.2%). Output Adjustment If the LT6650 used as a 400mV reference, then ...

Page 10

LT6650 U U APPLICATIO S I FOR ATIO must be within the following range for proper OUT B operation (the optimal value depends greatly on the direc- tion and magnitude of the load current): R > |V ...

Page 11

... MOLD FLASH SHALL NOT EXCEED 0.254mm 6. JEDEC PACKAGE REFERENCE IS MO-193 Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. IN ...

Page 12

... Max 6.5µA Supply Current 6.5µA, Choice of Polarities Available in SOT-23 www.linear.com ● 1.4V ≤ V ≤ 18V Z 30µA ≤ I ≤ 220µ 0.4V • ANODE 6650 TA02 < 375µV, I < 1000pA B LT/LT 1005 • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2003 6650fa ...

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