LT1789-10 datasheet, PDF - EEWORLD Datasheet

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LT1789-10: DescriptionINSTRUMENTATION AMPLIFIER, 100 uV OFFSET-MAX, 0.06 MHz BAND WIDTH, PDSO8; Categorysemiconductor Analog mixed-signal IC; File Size542KB，24 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LT1789-10 Overview

INSTRUMENTATION AMPLIFIER, 100 uV OFFSET-MAX, 0.06 MHz BAND WIDTH, PDSO8

LT1789-10 Parametric

Parameter Name	Attribute value
Maximum input offset voltage	100 µV
Maximum negative supply voltage	-18 V
Rated negative supply voltage	-15 V
Number of functions	1
Number of terminals	8
Minimum operating temperature	0.0 Cel
Maximum operating temperature	70 Cel
Rated rotation rate	0.0260 V/us
Maximum supply/operating voltage	18 V
Rated supply voltage	15 V
Processing package description	0.150 INCH, PLASTIC, SOP-8
each_compli	Yes
state	Active
Amplifier type	INSTRUMENTATION AMPLIFIER
Maximum input bias current IIB	0.0400 µA
bandwidth__3db__nom	0.0600 MHz
Minimum Common Mode Rejection Ratio	79 dB
Maximum input offset current IIO	0.0040 µA
jesd_30_code	R-PDSO-G8
jesd_609_code	e0
moisture_sensitivity_level	1
maximum nonlinearity	0.0025 %
Packaging Materials	PLASTIC/EPOXY
ckage_code	SOP
ckage_equivalence_code	SOP8,.25
packaging shape	RECTANGULAR
Package Size	SMALL OUTLINE
eak_reflow_temperature__cel_	235
wer_supplies__v_	5/+-15
qualification_status	COMMERCIAL
seated_height_max	1.75 mm
sub_category	Instrumentation Amplifiers
Maximum supply voltage	0.1500 mA
surface mount	YES
Craftsmanship	BIPOLAR
Temperature level	COMMERCIAL
terminal coating	TIN LEAD
Terminal form	GULL WING
Terminal spacing	1.27 mm
Terminal location	DUAL
ime_peak_reflow_temperature_max__s_	20
Rated voltage gain	10
Minimum voltage gain	1
Maximum voltage gain	1000
length	4.9 mm
width	3.9 mm

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LT1789-1/LT1789-10

Micropower,

Single Supply Rail-to-Rail

Output Instrumentation Amplifiers

FEATURES

DESCRIPTIO

Micropower: 95µA Supply Current Max

Low Input Offset Voltage: 100µV Max

Low Input Offset Voltage Drift: 0.5µV/°C Max

Single Gain Set Resistor:

G = 1 to 1000 (LT1789-1)

G = 10 to 1000 (LT1789-10)

Inputs Common Mode to V

–

Wide Supply Range: 2.2V to 36V Total Supply

CMRR at G = 10: 96dB Min

Gain Error: G = 10, 0.25% Max

Gain Nonlinearity: G = 10, 40ppm Max

Input Bias Current: 40nA Max

PSRR at G = 10: 100dB Min

1kHz Voltage Noise: 48nV/√Hz

0.1Hz to 10Hz Noise: 1.5µV

P-P

APPLICATIO S

Portable Instrumentation

Bridge Amplifiers

Strain Gauge Amplifiers

Thermocouple Amplifiers

Differential to Single-Ended Converters

Medical Instrumentation

The LT

1789-1/LT1789-10 are micropower, precision in-

strumentation amplifiers that are optimized for single supply

operation from 2.2V to 36V. The quiescent current is 95µA

max, the inputs common mode to ground and the output

swings within 110mV of ground. The gain is set with a single

external resistor for a gain range of 1 to 1000 for the LT1789-

1 and 10 to 1000 for the LT1789-10.

The high accuracy of the LT1789-1 (40ppm maximum

nonlinearity and 0.25% max gain error) is unmatched by

other micropower instrumentation amplifiers. The LT1789-10

maximizes both the input common mode range and dynamic

output range when an amplification of 10 or greater is

required, allowing precise signal processing where other

instrumentation amplifiers fail to operate. The LT1789-1/

LT1789-10 are laser trimmed for very low input offset

voltage, low input offset voltage drift, high CMRR and high

PSRR. The output can handle capacitive loads up to 400pF

(LT1789-1), 1000pF (LT1789-10) in any gain configuration

while the inputs are ESD protected up to 10kV (human body).

The LT1789-1/LT1789-10 are offered in the 8-pin SO pack-

age, requiring significantly less PC board area than discrete

multi op amp and resistor designs.

, LTC and LT are registered trademarks of Linear Technology Corporation.

TYPICAL APPLICATIO

0.5A to 4A Voltage Controlled Current Source

4700pF

10k

= 3.3V TO 32V

LOAD

SENSE

• 10

= 1A PER VOLT AS SHOWN

RISE TIME

≈

250µs, 10% TO 90%,

1A TO 2A OUTPUT STEP INTO 0.25Ω LOAD

–

90.9k

LT1636

10k

3300pF

0.1µF

100Ω

REF

120Ω

TIP127*

LT1789-1

–

* ENSURE ADEQUATE POWER

DISSIPATION CAPABILITY AT

HIGHER VOLTAGES,

CURRENTS AND DUTY CYCLES

SENSE

0.1Ω I

LOAD

1789 TA01

1789f

LT1789-10 Related Products

	LT1789-10	LT1789-1	LT1789CS8-1	LT1789IS8-1	LT1789CS8-10	LT1789IS8-10
Description	INSTRUMENTATION AMPLIFIER, 100 uV OFFSET-MAX, 0.06 MHz BAND WIDTH, PDSO8	INSTRUMENTATION AMPLIFIER, 100 uV OFFSET-MAX, 0.06 MHz BAND WIDTH, PDSO8	INSTRUMENTATION AMPLIFIER, 100 uV OFFSET-MAX, 0.06 MHz BAND WIDTH, PDSO8	INSTRUMENTATION AMPLIFIER, 100 uV OFFSET-MAX, 0.06 MHz BAND WIDTH, PDSO8	INSTRUMENTATION AMPLIFIER, 100 uV OFFSET-MAX, 0.06 MHz BAND WIDTH, PDSO8	INSTRUMENTATION AMPLIFIER, 100 uV OFFSET-MAX, 0.06 MHz BAND WIDTH, PDSO8
Maximum input offset voltage	100 µV	100 µV	100 µV	100 µV	160 µV	160 µV
Number of functions	1	1	1	1	1	1
Number of terminals	8	8	8	8	8	8
Minimum operating temperature	0.0 Cel	0.0 Cel	-	-40 °C	-	-40 °C
Maximum operating temperature	70 Cel	70 Cel	70 °C	85 °C	70 °C	85 °C
Amplifier type	INSTRUMENTATION AMPLIFIER	INSTRUMENTATION AMPLIFIER	INSTRUMENTATION AMPLIFIER	INSTRUMENTATION AMPLIFIER	INSTRUMENTATION AMPLIFIER	INSTRUMENTATION AMPLIFIER
Minimum Common Mode Rejection Ratio	79 dB	79 dB	79 dB	79 dB	88 dB	88 dB
maximum nonlinearity	0.0025 %	0.0025 %	0.0025%	0.0025%	0.0045%	0.0045%
surface mount	YES	YES	YES	YES	YES	YES
Temperature level	COMMERCIAL	COMMERCIAL	COMMERCIAL	INDUSTRIAL	COMMERCIAL	INDUSTRIAL
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Minimum voltage gain	1	1	1	1	10	10
Maximum voltage gain	1000	1000	1000	1000	1000	1000
length	4.9 mm	4.9 mm	4.9025 mm	4.9025 mm	4.9025 mm	4.9025 mm
width	3.9 mm	3.9 mm	3.899 mm	3.899 mm	3.899 mm	3.899 mm
Brand Name	-	-	Linear Technology	Linear Technology	Linear Technology	Linear Technology
Is it Rohs certified?	-	-	incompatible	incompatible	incompatible	incompatible
Maker	-	-	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )
Parts packaging code	-	-	SOIC	SOIC	SOIC	SOIC
package instruction	-	-	SOP, SOP8,.25	0.150 INCH, PLASTIC, SOP-8	SOP, SOP8,.25	SOP, SOP8,.25
Contacts	-	-	8	8	8	8
Manufacturer packaging code	-	-	S8	S8	S8	S8
Reach Compliance Code	-	-	_compli	_compli	_compli	_compli
ECCN code	-	-	EAR99	EAR99	EAR99	EAR99
Maximum average bias current (IIB)	-	-	0.04 µA	0.04 µA	0.04 µA	0.04 µA
Maximum input offset current (IIO)	-	-	0.004 µA	0.004 µA	0.004 µA	0.004 µA
JESD-30 code	-	-	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8
JESD-609 code	-	-	e0	e0	e0	e0
Humidity sensitivity level	-	-	1	1	1	1
Negative supply voltage upper limit	-	-	-18 V	-18 V	-18 V	-18 V
Nominal Negative Supply Voltage (Vsup)	-	-	-15 V	-15 V	-15 V	-15 V
Package body material	-	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	-	SOP	SOP	SOP	SOP
Encapsulate equivalent code	-	-	SOP8,.25	SOP8,.25	SOP8,.25	SOP8,.25
Package shape	-	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	-	-	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	-	-	235	235	235	235
power supply	-	-	5/+-15 V	5/+-15 V	5/+-15 V	5/+-15 V
Certification status	-	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	-	-	1.752 mm	1.752 mm	1.752 mm	1.752 mm
Nominal slew rate	-	-	0.026 V/us	0.026 V/us	0.066 V/us	0.066 V/us
Maximum slew rate	-	-	0.15 mA	0.16 mA	0.15 mA	0.16 mA
Supply voltage upper limit	-	-	18 V	18 V	18 V	18 V
Nominal supply voltage (Vsup)	-	-	15 V	15 V	15 V	15 V
technology	-	-	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR
Terminal surface	-	-	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal pitch	-	-	1.27 mm	1.27 mm	1.27 mm	1.27 mm
Maximum time at peak reflow temperature	-	-	20	20	20	20
Nominal voltage gain	-	-	10	10	100	100

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