参数资料
型号: LTC6915CDE#PBF
厂商: Linear Technology
文件页数: 1/18页
文件大小: 0K
描述: IC PGA DIGITAL PREC 0DRFT 12DFN
标准包装: 91
放大器类型: 仪表
电路数: 1
输出类型: 满摆幅
转换速率: 0.2 V/µs
增益带宽积: 200kHz
电流 - 输入偏压: 4nA
电压 - 输入偏移: 5µV
电流 - 电源: 1.73mA
电压 - 电源,单路/双路(±): 2.7 V ~ 11 V,±1.35 V ~ 5.5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 12-WFDFN 裸露焊盘
供应商设备封装: 12-DFN-EP(4x3)
包装: 管件
LTC6915
1
6915fb
Typical applicaTion
FeaTures
DescripTion
Zero Drift, Precision
Instrumentation Amplifier with
Digitally Programmable Gain
The LTC6915 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 typi-
cally 125dB with a single 5V supply with any programmed
gain. The offset is below 10V with a temperature drift of
less than 50nV/°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 op-
erational 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 ±5V supplies. The LTC6915 is available
in a 16-lead SSOP package and a 12-lead DFN surface
mount package.
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners
Differential Bridge Amplifier with Gain Programmed through the Serial Interface
applicaTions
n
14 Levels of Programmable Gain
n
125dB CMRR Independent of Gain
n
Gain Accuracy 0.1% (Typ)
n
Maximum Offset Voltage of 10V
n
Maximum Offset Voltage Drift: 50nV/°C
n
Rail-to-Rail Input and Output
n
Parallel or Serial (SPI) Interface for Gain Setting
n
Supply Operation: 2.7V to ±5.5V
n
Typical Noise: 2.5VP-P (0.01Hz to 10Hz)
n
16-Lead SSOP and 12-Lead DFN Packages
n
Thermocouple Amplifiers
n
Electronic Scales
n
Medical Instrumentation
n
Strain Gauge Amplifier
n
High Resolution Data Acquisition
+
3V
RESISTOR
ARRAY
MUX
4-BIT
LATCH
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
8-BIT
SHIFT-REGISTER
HOLD_THRU
P
TO OTHER
DEVICES
CS(D0)
DIN(D1)
CLK(D2)
DOUT(D3)
PARALLEL_SERIAL
IN+
IN
_
3
2
11
6
7
8
9
R < 10k
CS
CH
LTC6915 SSOP PACKAGE
0.1F
V+
V
SHDN
DGND
13
5
16
10
1
4
OUT
REF
15
14
CF
6915 TA01
SENSE
3V
相关PDF资料
PDF描述
MMS-119-02-T-DH CONN RCPT 2MM 38POS DL HORZ SMD
LTC6915CDE IC PGA DIGITAL PREC 0DRFT 12DFN
MMS-113-02-T-DH CONN RCPT 2MM 26POS DL HORZ SMD
MMS-114-02-T-DH CONN RCPT 2MM 28POS DL HORZ SMD
TSW-122-23-G-D CONN HEADER 44POS .100" DL GOLD
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