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LTC6910-2HTS8

Description
Digitally Controlled Programmable Gain Amplifiers in SOT-23
File Size250KB,24 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
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LTC6910-2HTS8 Overview

Digitally Controlled Programmable Gain Amplifiers in SOT-23

LTC6910-1
LTC6910-2/LTC6910-3
Digitally Controlled
Programmable
Gain Amplifiers in SOT-23
FEATURES
s
s
s
s
s
s
s
s
s
DESCRIPTIO
3-Bit Digital Gain Control in Three Gain-Code
Options
Rail-to-Rail Input Range
Rail-to-Rail Output Swing
Single or Dual Supply: 2.7V to 10.5V Total
11MHz Gain Bandwidth Product
Input Noise Down to 8nV/√Hz
System Dynamic Range to 120dB
Input Offset Voltage: 1.5mV
8-Pin Low Profile (1mm) SOT-23
(ThinSOT™) Package
The LTC
®
6910 family are low noise digitally program-
mable gain amplifiers (PGAs) that are easy to use and
occupy very little PC board space. The inverting gain is
adjustable using a 3-bit digital input to select gains of 0, 1,
2, 5, 10, 20, 50 and 100V/V in the LTC6910-1; 0, 1, 2, 4,
8, 16, 32 and 64V/V in the LTC6910-2; and 0, 1, 2, 3, 4, 5,6
and 7V/V in the LTC6910-3.
The LTC6910-Xs are inverting amplifiers with rail-to-rail
output. When operated with unity gain, they will also
process rail-to-rail input signals. A half-supply reference
generated internally at the AGND pin supports single
power supply applications. Operating from single or split
supplies from 2.7V to 10.5V, the LTC6910-X family is
offered in an 8-lead SOT-23 package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
U.S. Patent Number 6121908.
APPLICATIO S
s
s
s
s
Data Acquisition Systems
Dynamic Gain Changing
Automatic Ranging Circuits
Automatic Gain Control
TYPICAL APPLICATIO
Single Supply Programmable Amplifier
V
+
2.7V TO 10.5V
0.1µF
DIGITAL INPUTS GAIN IN VOLTS/VOLT
G2 G1 G0 6910-1 6910-2 6910-3
0
0
0
0
0
0
0
–1
0
–1
1
–1
0
–2
1
–2
0
–2
0
–5
1
–4
1
–3
1
–10
0
–8
0
–4
1
–20
0
–16
1
–5
1
–50
1
–32
0
–6
1
–100
1
–64
1
–7
50
40
4
V
IN
3
LTC6910-X
5
7
6
1
2
AGND
1µF OR LARGER
6910 TA01
GAIN (dB)
8
V
OUT
= GAIN • V
IN
30 GAIN OF 50 (DIGITAL INPUT 110)
GAIN OF 20 (DIGITAL INPUT 101)
20
GAIN OF 10 (DIGITAL INPUT 100)
10 GAIN OF 5 (DIGITAL INPUT 011)
GAIN OF 2 (DIGITAL INPUT 010)
0
GAIN OF 1 (DIGITAL INPUT 001)
1k
10k
100k
FREQUENCY (Hz)
1M
10M
6910 TA01b
G2 G1 G0
PIN 2 (AGND) PROVIDES BUILT-IN HALF-SUPPLY
REFERENCE WITH INTERNAL RESISTANCE OF 5k.
AGND CAN ALSO BE DRIVEN BY A SYSTEM ANALOG
GROUND REFERENCE NEAR HALF SUPPLY
–10
100
U
Frequency Response (LTC6910-1)
V
S
= 10V, V
IN
= 5mV
RMS
GAIN OF 100 (DIGITAL INPUT 111)
6910123fa
U
U
1

LTC6910-2HTS8 Related Products

LTC6910-2HTS8 LTC6910-1HTS8 LTC6910-1ITS8 LTC6910-2CTS8 LTC6910-2ITS8 LTC6910-3CTS8 LTC6910-3HTS8 LTC6910-3ITS8
Description Digitally Controlled Programmable Gain Amplifiers in SOT-23 Digitally Controlled Programmable Gain Amplifiers in SOT-23 Digitally Controlled Programmable Gain Amplifiers in SOT-23 Digitally Controlled Programmable Gain Amplifiers in SOT-23 Digitally Controlled Programmable Gain Amplifiers in SOT-23 Digitally Controlled Programmable Gain Amplifiers in SOT-23 Digitally Controlled Programmable Gain Amplifiers in SOT-23 Digitally Controlled Programmable Gain Amplifiers in SOT-23
Brand Name - Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology - Linear Technology
Is it Rohs certified? - incompatible incompatible incompatible incompatible incompatible - incompatible
Maker - Linear ( ADI ) Linear ( ADI ) - Linear ( ADI ) Linear ( ADI ) - Linear ( ADI )
Parts packaging code - SOT SOT SOT SOT SOT - SOT
package instruction - VSSOP, TSSOP8,.1 VSSOP, TSSOP8,.1 VSSOP, TSSOP8,.1 PLASTIC, MO-193, TSOT-23, 8 PIN VSSOP, TSSOP8,.1 - VSSOP, TSSOP8,.1
Contacts - 8 8 8 8 8 - 8
Manufacturer packaging code - TS8 TS8 TS8 TS8 TS8 - TS8
Reach Compliance Code - not_compliant not_compliant _compli not_compliant _compli - not_compliant
ECCN code - EAR99 EAR99 EAR99 EAR99 EAR99 - EAR99
Amplifier type - INSTRUMENTATION AMPLIFIER INSTRUMENTATION AMPLIFIER INSTRUMENTATION AMPLIFIER INSTRUMENTATION AMPLIFIER INSTRUMENTATION AMPLIFIER - INSTRUMENTATION AMPLIFIER
Maximum input offset voltage - 18000 µV 15000 µV 1500 µV 1500 µV 1500 µV - 1500 µV
JESD-30 code - R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 - R-PDSO-G8
JESD-609 code - e0 e0 e0 e0 e0 - e0
length - 2.9 mm 2.9 mm 2.9 mm 2.9 mm 2.9 mm - 2.9 mm
Humidity sensitivity level - 1 1 1 1 1 - 1
Negative supply voltage upper limit - -5.5 V -5.5 V -5.5 V -5.5 V -5.5 V - -5.5 V
Nominal Negative Supply Voltage (Vsup) - -5 V -5 V -5 V -5 V -5 V - -5 V
Number of functions - 1 1 1 1 1 - 1
Number of terminals - 8 8 8 8 8 - 8
Maximum operating temperature - 125 °C 85 °C 70 °C 85 °C 70 °C - 85 °C
Package body material - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY
encapsulated code - VSSOP VSSOP VSSOP VSSOP VSSOP - VSSOP
Encapsulate equivalent code - TSSOP8,.1 TSSOP8,.1 TSSOP8,.1 TSSOP8,.1 TSSOP8,.1 - TSSOP8,.1
Package shape - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR - RECTANGULAR
Package form - SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH - SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) - 235 235 235 235 235 - 235
power supply - 2.7/10.5 V 2.7/10.5 V 2.7/10.5 V 2.7/10.5 V 2.7/10.5 V - 2.7/10.5 V
Certification status - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified - Not Qualified
Maximum seat height - 1 mm 1 mm 1 mm 1 mm 1 mm - 1 mm
Nominal slew rate - 16 V/us 16 V/us 16 V/us 16 V/us 16 V/us - 16 V/us
Maximum slew rate - 4.9 mA 4.9 mA 4.9 mA 4.9 mA 4.9 mA - 4.9 mA
Supply voltage upper limit - 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V - 5.5 V
Nominal supply voltage (Vsup) - 5 V 5 V 5 V 5 V 5 V - 5 V
surface mount - YES YES YES YES YES - YES
technology - CMOS CMOS CMOS CMOS CMOS - CMOS
Temperature level - AUTOMOTIVE INDUSTRIAL COMMERCIAL INDUSTRIAL COMMERCIAL - INDUSTRIAL
Terminal surface - Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb)
Terminal form - GULL WING GULL WING GULL WING GULL WING GULL WING - GULL WING
Terminal pitch - 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm - 0.65 mm
Terminal location - DUAL DUAL DUAL DUAL DUAL - DUAL
Maximum time at peak reflow temperature - 20 20 20 20 20 - 20
Maximum voltage gain - 100 100 100 100 100 - 100
Minimum voltage gain - 1 1 1 1 1 - 1
Nominal voltage gain - 2 2 2 2 2 - 2
width - 1.625 mm 1.625 mm 1.625 mm 1.625 mm 1.625 mm - 1.625 mm
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