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參數(shù)資料
| 型號： | MAX9939EVKIT+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 2/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT EVAL FOR MAX9939 |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 每 IC 通道數(shù)： | 2 - 雙 |
| 放大器類型： | 可編程增益 |
| 輸出類型： | 差分 |
| 轉(zhuǎn)換速率： | 9 V/µs |
| 電流 - 輸出 / 通道： | 70mA |
| 工作溫度： | -40°C ~ 125°C |
| 電流供應（主 IC）： | 3.4mA |
| 電壓 - 電源，單路/雙路(±)： | 2.9 V ~ 5.5 V |
| 板類型： | 完全填充 |
| 已供物品： | 板，軟件 |
| 已用 IC / 零件： | MAX9939 |
MAX9939
SPI Programmable-Gain Amplifier
with Input VOS Trim and Output Op Amp
10
Maxim Integrated
Differential-Input, Differential-Output PGA
The output amplifier can be configured so that the
MAX9939 operates as a differential-input, differential-
output programmable gain amplifier. As shown in
Figure 4, use a 10k
resistor between OUTA and INB,
and between INB and OUTB. Such a differential-output
configuration is ideal for use in low-voltage applications
that can benefit from the 2X output voltage dynamic
range when compared to single-ended output format.
Use of Output Operational Amplifier as TIA
CMOS inputs on the output op amp makes it ideal for
use as an input transimpedance amplifier (TIA) in cer-
tain current-output sensor applications. In such a situ-
ation, keep in mind that the inverting input operates at
fixed voltage of VCC/2. Use a high-value resistor as a
feedback gain element, and use a feedback capacitor
in parallel with this resistor if necessary to aid amplifi-
er stability in the presence of high photodiode or
cable capacitance. The output of this TIA can be rout-
ed to INA+ or INA- for further processing and signal
amplification.
Power-Supply Bypassing
Bypass VCC to GND with a 0.1F capacitor in parallel
with a 1F low-ESR capacitor placed as close as possi-
ble to the MAX9939.
INPUT OFFSET VOLTAGE
(V4 = 0 TRIMS POSITIVE, V4 = 1 TRIMS NEGATIVE)
V3:V0
VOS (mV)
0000
0
0001
1.3
0010
2.5
0011
3.8
0100
4.9
0101
6.1
0110
7.3
0111
8.4
1000
10.6
1001
11.7
1010
12.7
1011
13.7
1100
14.7
1101
15.7
1110
16.7
1111
17.6
Table 4. Input Offset-Voltage Trim
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9939EVKIT+ | 功能描述:放大器 IC 開發(fā)工具 MAX9939 Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
| MAX993ESD | 功能描述:校驗器 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX993ESD+ | 功能描述:校驗器 IC Quad uPower Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX993ESD+T | 功能描述:校驗器 IC Quad uPower Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX993ESD-T | 功能描述:校驗器 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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