PGA112 具有 MUX 的零漂移、可编程增益放大器
The PGA112 and PGA113 (binary/scope gains) offer two analog inputs, a three-pin SPI interface, and software shutdown in an MSOP-10 package. The PGA116 and PGA117 (binary/scope gains) offer 10 analog inputs, a four-pin SPI interface with daisy-chain capability, and hardware and software shutdown in a TSSOP-20 package.
All versions provide internal calibration channels for system-level calibration. The channels are tied to GND, 0.9VCAL, 0.1VCAL, and VREF, respectively. VCAL, an external voltage connected to Channel 0, is used as the system calibration reference. Binary gains are: 1, 2, 4, 8, 16, 32, 64, and 128; scope gains are: 1, 2, 5, 10, 20, 50, 100, and 200
|
PGA112 |
PGA113 |
PGA116 |
PGA117 |
| Gain (V/V) |
1, 2, 4, 8, 16, 32, 64, 128 |
1, 2, 5, 10, 20, 50, 100, 200 |
1, 2, 4, 8, 16, 32, 64, 128 |
1, 2, 5, 10, 20, 50, 100, 200 |
| Vs (Min) (V) |
2.2 |
2.2 |
2.2 |
2.2 |
| Vs (Max) (V) |
5.5 |
5.5 |
5.5 |
5.5 |
| Number of Channels |
2 |
2 |
10 |
10 |
| Pin/Package |
10MSOP |
10MSOP |
20TSSOP |
20TSSOP |
| Input Offset (+/-) (Max) (uV) |
100 |
100 |
100 |
100 |
| Input Offset Drift (+/-) (Max) (uV/Degrees Celsius) |
1.2 |
1.2 |
1.2 |
1.2 |
| Gain Error (+/-) (Max) (%) |
0.1 |
0.1 |
0.1 |
0.1 |
| Input Bias Current (+/-) (Max) (nA) |
5 |
5 |
5 |
5 |
| Noise at 1kHz (Typ) (nV/rt(Hz)) |
13 |
13 |
13 |
13 |
| Quiescent Current (+/-) (Typ) (mA) |
1 |
1 |
1 |
1 |
| Settling Time to 0.01% (Typ) (us) |
2.55 |
2.55 |
2.55 |
2.55 |
| Non-Linearity (+/-) (Max) (%) |
0.0015 |
0.0015 |
0.0015 |
0.0015 |
| Approx. Price (US$) |
1.00 | 1ku |
1.00 | 1ku |
1.85 | 1ku |
1.85 | 1ku |
| Common Mode Input Low (Min) (V) |
GND + 0.1V |
GND + 0.1V |
GND + 0.1V |
GND + 0.1V |
| Common Mode Input High (Min) (V) |
AVdd -0.1V |
AVdd -0.1V |
AVdd -0.1V |
AVdd -0.1V |
| Gain Error (Typ) (%) |
0.006 |
0.006 |
0.006 |
0.006 |
| Operating Temperature Range (C) |
-40 to 125 |
-40 to 125 |
-40 to 125 |
-40 to 125 |
| Slew Rate (Typ) (V/us) |
3 |
3 |
3 |
3 |
PGA112 特性
- Rail-to-Rail Input/Output
- Offset: 25µV (typ), 100µV (max)
- Zerø-Drift: 0.35µV/°C (typ), 1.2µV/°C (max)
- Low Noise: 12nV/√Hz
- Input Offset Current: ±5nA max (+25°C)
- Gain Error: 0.1% max (G ≤ 32),
0.3% max (G > 32)
- Binary Gains: 1, 2, 4, 8, 16, 32, 64, 128(PGA112, PGA116)
- Scope Gains: 1, 2, 5, 10, 20, 50, 100, 200 (PGA113, PGA117)
- Gain Switching Time: 200ns
- Two Channel MUX: PGA112, PGA113
10 Channel MUX: PGA116, PGA117
- Four Internal Calibration Channels
- Amplifier Optimized for Driving CDAC ADCs
- Output Swing: 50mV to Supply Rails
- AVDD and DVDD for Mixed Voltage Systems
- IQ = 1.1mA (typ)
- Software/Hardware Shutdown: IQ ≤ 4µA (typ)
- Temperature Range: -40°C to +125°C
- SPI Interface (10MHz) with Daisy-Chain Capability
- APPLICATIONS
PGA112 芯片订购指南
| 器件 |
状态 |
温度 |
价格 |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| PGA112AIDGSR |
ACTIVE |
-40 to 125 |
1.00 | 1ku |
MSOP (DGS) | 10 |
2500 | LARGE T&R |
|
| PGA112AIDGSRG4 |
ACTIVE |
-40 to 125 |
1.00 | 1ku |
MSOP (DGS) | 10 |
2500 | LARGE T&R |
|
| PGA112AIDGST |
ACTIVE |
-40 to 125 |
1.15 | 1ku |
MSOP (DGS) | 10 |
250 | SMALL T&R |
|
| PGA112AIDGSTG4 |
ACTIVE |
-40 to 125 |
1.15 | 1ku |
MSOP (DGS) | 10 |
250 | SMALL T&R |
|
PGA112 质量与无铅数据
| 器件 |
环保计划* |
铅/焊球涂层 |
MSL 等级/回流焊峰 |
环保信息与无铅 (Pb-free) |
DPPM / MTBF / FIT 率 |
| PGA112AIDGSR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
PGA112AIDGSR |
PGA112AIDGSR |
| PGA112AIDGSRG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
PGA112AIDGSRG4 |
PGA112AIDGSRG4 |
| PGA112AIDGST |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
PGA112AIDGST |
PGA112AIDGST |
| PGA112AIDGSTG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
PGA112AIDGSTG4 |
PGA112AIDGSTG4 |
PGA112 应用技术支持与电子电路设计开发资源下载
- PGA112 数据资料 dataSheet 下载.PDF
- TI 德州仪器PGA/VGA选型与价格 . xls
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 高速数据转换 (PDF 1967 KB)
- 使您的仪器放大器设计达到最佳效果 (zhct011.PDF, 897 KB)
- 低成本电流并联监视器 IC 使动圈式仪表设计复兴 (zhct030.PDF, 1.04 MB)
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- Programmable-Gain Instrumentation Amplifiers (sboa024.HTM, 8 KB)
- Driving High-Speed ADCs: Circuit Topologies and System-Level Parameter (slaa416a.HTM, 9 KB)
- A Numerical Solution to an Analog Problem (sboa124.HTM, 8 KB)
- TI 工业自动电机控制/驱动器解决方案 2011 (Rev. B) (PDF 1322 KB)
- 在 PSPICE 中使用德州仪器 (TI) SPICE 模型 (zhca088.HTM, 8 KB)
- PowerPAD™ Thermally Enhanced Package (slma002g.HTM, 8 KB)
- 运算放大器的单电源操作 (PDF 2174 KB)
- Tuning in Amplifiers (PDF 44 KB)
- Op Amp Performance Analysis (PDF 76 KB)
- An Error Analysis of the ISO102 in a Small Signal Measuring Application (PDF 29 KB)
- Level Shifting Signals with Differential Amplifiers (PDF 23 KB)
- Operational Amplifier Macromodels: A Comparison (PDF 59 KB)
PGA112 工具与软件
| 培训内容 |
型号 |
软件/工具类型 |
| PGA112 评估模块 |
PGA112EVM |
开发电路板/EVM |
