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LTC6915IGN Datasheet

  • LTC6915IGN

  • Zero Drift, Precision Instrumentation Amplifier with Digital...

  • 16頁

  • LINER

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LTC6915
Zero Drift, Precision
Instrumentation Amplifier with
Digitally Programmable Gain
FEATURES
s
s
s
s
s
s
s
s
s
s
DESCRIPTIO
14 Levels of Programmable Gain
125dB CMRR Independent of Gain
Gain Accuracy 0.1% (Typ)
Maximum Offset Voltage of 10碌V
Maximum Offset Voltage Drift: 50nV/擄C
Rail-to-Rail Input and Output
Parallel or Serial (SPI) Interface for Gain Setting
Supply Operation: 2.7V to
鹵5.5V
Typical Noise: 2.5碌V
P-P
(0.01Hz to 10Hz)
16-Lead SSOP and 12-Lead DFN Packages
The LTC
廬
6915 is a precision programmable gain instru-
mentation amplifier. The gain can be programmed to 0, 1,
2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, or 4096
through a parallel or serial interface. The CMRR is typically
125dB with a dual 5V supply with any programmed gain.
The offset is below 10碌V with a temperature drift of less
than 50nV/擄C.
The LTC6915 uses charge balanced sampled data tech-
niques to convert a differential input voltage into a single
ended signal that is in turn amplified by a zero-drift
operational amplifier.
The differential inputs operate from rail-to-rail and the
single-ended output swings from rail-to-rail. The LTC6915
can be used in single power supply applications as low as
2.7V, or with dual
鹵5V
supplies. The LTC6915 is available
in a 16-lead SSOP package and a 12-lead DFN surface
mount package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
s
s
s
s
s
Thermocouple Amplifiers
Electronic Scales
Medical Instrumentation
Strain Gauge Amplifier
High Resolution Data Acquisition
TYPICAL APPLICATIO
Differential Bridge Amplifier with Gain Programmed through the Serial Interface
LTC6915 SSOP PACKAGE
3 IN
+
3V
2 IN
R < 10k
RESISTOR
ARRAY
REF 13
11 PARALLEL_SERIAL
4-BIT
LATCH
HOLD_THRU 5
V
+
16
3V
0.1碌F
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
8-BIT
SHIFT-REGISTER
SHDN
DGND
V
鈥?/div>
6915 TA01
+
OUT 15
C
S
C
H
_
鈥?/div>
C
F
MUX
6 CS(D0)
7 D
IN
(D1)
8 CLK(D2)
9 D
OUT
(D3)
碌P
TO OTHER
DEVICES
U
SENSE 14
1
10
4
6915f
U
U
1

LTC6915IGN 產(chǎn)品屬性

  • LTC6915

  • 100

  • 集成電路 (IC)

  • Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

  • -

  • 儀表

  • 1

  • 滿擺幅

  • 0.2 V/µs

  • 200kHz

  • -

  • 4nA

  • 5µV

  • 1.73mA

  • -

  • 2.7 V ~ 11 V，±1.35 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 16-SSOP（0.154"，3.90mm 寬）

  • 16-SSOP

  • 管件

LTC6915IGN相關(guān)型號(hào)PDF文件下載

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