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參數(shù)資料
| 型號： | ISL28233IUZ-T7 |
| 廠商： | Intersil |
| 文件頁數(shù)： | 6/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP GP R-R 400KHZ LN 8MSOP |
| 產(chǎn)品培訓(xùn)模塊： | Patient Monitoring and Diagnostic Equipment Solutions |
| 標(biāo)準(zhǔn)包裝： | 1,500 |
| 放大器類型： | 斷路器（零漂移） |
| 電路數(shù)： | 2 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 0.2 V/µs |
| 增益帶寬積： | 400kHz |
| 電流 - 輸入偏壓： | 30pA |
| 電壓 - 輸入偏移： | 2µV |
| 電流 - 電源： | 18µA |
| 電流 - 輸出 / 通道： | 19mA |
| 電壓 - 電源，單路/雙路(±)： | 1.65 V ~ 5.5 V，±0.825 V ~ 2.75 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-MSOP |
| 包裝： | 帶卷 (TR) |
14
FN6942.2
November 17, 2011
amplifiers operating from low voltage supplies are not
practical using typical low offset precision op amps. For
example, the typical ±100V VOS and offset drift
0.5V/°C of a low offset op amp would produce a DC
error of >1V with an additional 5mV/°C of temperature
dependent error making it difficult to resolve DC input
voltage changes in the mV range.
The ±8V max VOS and 0.06V/°C of the ISL28233IUZ
produces a temperature stable maximum DC output
error of only ±80mV with a maximum temperature drift
of 0.06V/°C. The additional benefit of a very low 1/f
noise corner frequency and some feedback filtering
enables DC voltages and voltage fluctuations well below
100nV to be easily detected with a simple single stage
amplifier.
ISL28233IUZ SPICE Model
Figure 45 shows the SPICE model schematic and
Figure 46 shows the net list for the ISL28233IUZ SPICE
model. The model is a simplified version of the actual
device and simulates important parameters such as
noise, Slew Rate, Gain and Phase. The model uses typical
parameters from the “Electrical Specifications Table” on
page 4. The poles and zeroes in the model were
determined from the actual open and closed-loop gain
and phase response. This enables the model to present
an accurate AC representation of the actual device. The
model is configured for ambient temperature of +25°C.
simulation results for the Noise Density, Frequency
Response vs Close Loop Gain, Gain vs Frequency vs CL
and Large Signal Step Response (4V).
LICENSE STATEMENT
The information in this SPICE model is protected under
the United States copyright laws. Intersil Corporation
hereby grants users of this macro-model hereto referred
to as “Licensee”, a nonexclusive, nontransferable licence
to use this model as long as the Licensee abides by the
terms of this agreement. Before using this macro-model,
the Licensee should read this license. If the Licensee
does not accept these terms, permission to use the
model is not granted.
The Licensee may not sell, loan, rent, or license the
macro-model, in whole, in part, or in modified form, to
anyone outside the Licensee’s company. The Licensee
may modify the macro-model to suit his/her specific
applications, and the Licensee may make copies of this
macro-model for use within their company only.
This macro-model is provided “AS IS, WHERE IS, AND
WITH NO WARRANTY OF ANY KIND EITHER EXPRESSED
OR IMPLIED, INCLUDING BUY NOT LIMITED TO ANY
IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE.”
In no event will Intersil be liable for special, collateral,
incidental, or consequential damages in connection with
or arising out of the use of this macro-model. Intersil
reserves the right to make changes to the product and
the macro-model without prior notice.
FIGURE 44. HIGH GAIN, PRECISION DC-COUPLED
AMPLIFIER
-
+
100
Ω
RL
VIN
VOUT
1M
Ω
1M
Ω,
100
Ω
-2.5V
+2.5V
ACL = 10kV/V
CF
0.018F
ISL28233I
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