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ISL28534FVZ PDF预览

ISL28534FVZ

更新时间: 2024-11-05 02:57:35
品牌 Logo 应用领域
瑞萨 - RENESAS /
页数 文件大小 规格书
30页 2276K
描述
5V, Rail-to-Rail I/O, Zero-Drift, Programmable Gain Instrumentation Amplifiers

ISL28534FVZ 数据手册

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DATASHEET  
ISL28533, ISL28534, ISL28535, ISL28633, ISL28634, ISL28635  
5V, Rail-to-Rail I/O, Zero-Drift, Programmable Gain Instrumentation Amplifiers  
FN8364  
Rev.2.00  
Jan 13, 2017  
The ISL28533, ISL28534, ISL28535, ISL28633, ISL28634, and  
Features  
ISL28635 are 5V zero-drift rail-to-rail input/output  
• Ultra high precision front-end amplifier  
Programmable Gain Instrumentation Amplifiers (PGIA). These  
instrumentation amplifiers feature low offset, low noise, low  
gain error and high CMRR. They are ideal for high precision  
applications over the wide industrial temperature range.  
• Zero-drift instrumentation amplifier  
• Pin selectable 9 gain settings: G = 1 to 1,000  
• Rail-to-rail input/output  
These instrumentation amplifiers are designed with a unique  
2-bit, 3-state logic interface that allows up to 9 selectable gain  
settings. The ISL2853x single-ended output includes an  
additional uncommitted zero-drift amplifier, useful to buffer  
the REF input or used as a precision amplifier. The ISL2863x  
differential output amplifier includes a reference pin to set the  
common-mode output voltage to interface with differential  
input ADCs.  
• Single-ended output (ISL28533, ISL28534, ISL28535)  
• Differential output (ISL28633, ISL28634, ISL28635)  
• RFI filtered inputs improve EMI rejection  
• Single supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5V to 5.5V  
• Dual supply . . . . . . . . . . . . . . . . . . . . . . . . . ±1.25V to ±2.75V  
• Low input offset . . . . . . . . . . . . . . . . . . . . . . . .5µV, Maximum  
• Low input offset drift . . . . . . . . . . . . . . . . 50nV/°C, Maximum  
• High CMRR . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138dB, G = 100  
• Low gain error. . . . . . . . . . . . . . . .<0.4%, All Gains, Maximum  
• Gain bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3MHz  
Applications  
• Pressure and strain gauge transducers  
• Weight scales  
• Flow sensors  
• Input voltage noise (0.1Hz to 10Hz). . . . . . . . . . . . . . 0.4µV  
P-P  
• Biometric: ECG/blood glucose  
• Temperature sensors  
• Operating temperature range. . . . . . . . . . . .-40°C to +125°C  
Related Literature  
AN1880 “ISL2853x_63xEV2Z User's Guide”  
• Test and measurement  
• Data acquisition systems  
• Low ohmic current sense  
TABLE 1. KEY DIFFERENCES BETWEEN FAMILY OF PARTS  
ADDITIONALUNCOMMITTED  
PART NUMBER  
ISL28533/34/35  
ISL28633/34/35  
OUTPUT  
OP AMP  
Single-ended  
Differential  
Yes  
No  
INA-  
20kΩ  
INA-  
20kΩ  
+
-
20kΩ  
20kΩ  
+
-
A1  
A1  
-
OUTA-  
1MΩ  
A3  
R
R
R
R
G
G
G
+
VA-  
VA-  
-
OUTA  
-
VA+  
VA+  
A3  
REF  
1MΩ  
+
+
G
+
A4  
-
-
20kΩ  
20kΩ  
OUTA+  
REF  
OUT  
A2  
-
INA+  
20kΩ  
20kΩ  
+
A2  
INA+  
+
9 GAIN  
CONTROL  
9 GAIN  
CONTROL  
IN-  
-
G0  
G1  
G0  
G1  
A4  
IN+  
+
FIGURE 1. ISL2853x SINGLE-ENDED OUTPUT  
FIGURE 2. ISL2863x DIFFERENTIAL OUTPUT  
FN8364 Rev.2.00  
Jan 13, 2017  
Page 1 of 30  

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