11 FN6339.4 July 26, 2011 Applications Information Introduction The ISL28288 and ISL28488 are dual and quad CMOS rail-to-rai" />
參數(shù)資料
型號(hào)： ISL28488FAZ
廠商： Intersil
文件頁(yè)數(shù)： 3/20頁(yè)
文件大小： 0K
描述： IC OPAMP QUAD RRIO MCPWR 16-QSOP
標(biāo)準(zhǔn)包裝： 97
放大器類型： 通用
電路數(shù)： 4
輸出類型： 滿擺幅
轉(zhuǎn)換速率： 0.14 V/µs
增益帶寬積： 300kHz
電流 - 輸入偏壓： 10pA
電壓 - 輸入偏移： 50µV
電流 - 電源： 240µA
電流 - 輸出 / 通道： 31mA
電壓 - 電源，單路/雙路(±)： 2.4 V ~ 5.5 V，±1.2 V ~ 2.75 V
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 16-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 16-QSOP
包裝： 管件
ISL28288, ISL28488
11
FN6339.4
July 26, 2011
Applications Information
Introduction
The ISL28288 and ISL28488 are dual and quad CMOS rail-to-rail
input, output (RRIO) micropower operational amplifiers. These
devices are designed to operate from a single supply (2.4V to
5.5V) or dual supplies (±1.2V to ±2.75V) while drawing only 60A
of supply current per amplifier. This combination of low power
and precision performance makes these devices suitable for
solar and battery power applications.
Rail-to-Rail Input
Many rail-to-rail input stages use two differential input pairs, a
long-tail PNP (or PFET) and an NPN (or NFET). Severe penalties
have to be paid for this circuit topology. As the input signal moves
from one supply rail to another, the operational amplifier
switches from one input pair to the other causing drastic changes
in input offset voltage and an undesired change in magnitude
and polarity of input offset current.
These amplifiers achieve rail-to-rail input operation without
sacrificing important precision specifications and degrading
distortion performance. The devices’ input offset voltage exhibits
a smooth behavior throughout the entire common-mode input
range. The input bias current vs the common-mode voltage range
gives us an undistorted behavior from typically 100mV below the
negative rail and 10% higher than the V+ rail (0.5V higher than V+
when V+ equals 5.5V).
Input Protection
All input terminals have internal ESD protection diodes to both
positive and negative supply rails, limiting the input voltage to
within one diode beyond the supply rails. There is an additional
pair of back-to-back diodes across the input terminals. For
applications where the input differential voltage is expected to
Pin Descriptions
ISL28288
(8 LD SOIC)
ISL28288
(10 LD MSOP)
ISL28488
(14 LD TSSOP)
ISL28488
(16 LD QSOP)
PIN NAME
EQUIVALENT
CIRCUIT
DESCRIPTION
3
1
3
IN+_A
Circuit 1
Amplifier A non-inverting input
-2
-
EN_A
Circuit 2
Amplifier A enable pin internal pull-down; Logic “1”
selects the disabled state; Logic “0” selects the
enabled state.
4
3
11
13
V-
Circuit 4
Negative power supply
-4
-
EN_B
Circuit 2
Amplifier B enable pin with internal pull-down; Logic
“1” selects the disabled state; Logic “0” selects the
enabled state.
5
IN+_B
Circuit 1
Amplifier B non-inverting input
6
IN-_B
Circuit 1
Amplifier B inverting input
7
OUT_B
Circuit 3
Amplifier B output
88
4
V+
Circuit 4
Positive power supply
1
9
1
OUT_A
Circuit 3
Amplifier A output
2
10
2
IN-_A
Circuit 1
Amplifier A inverting input
-
8
10
OUT_C
Circuit 3
Amplifier C output
-
9
11
IN-_C
Circuit 1
Amplifier C inverting input
-
10
12
IN+_C
Circuit 1
Amplifier C non-inverting input
-
12
14
IN+_D
Circuit 1
Amplifier D non-inverting input
-
13
15
IN-_D
Circuit 1
Amplifier D inverting input
-
14
16
OUT_D
Circuit 3
Amplifier D output
--
-
8, 9
NC
-
No internal connection
EN
V+
V-
V+
V-
OUT
CIRCUIT 3
CIRCUIT 1
CIRCUIT 2
V+
V-
CIRCUIT 4
IN-
V+
V-
IN+
CAPACITIVELY
COUPLED
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ISL28488FAZ-T7 功能描述:IC OPAMP QUAD RRIO MCPWR 16-QSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:3 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:70µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:Digi-Reel® 其它名稱:MAX4475AUT#TG16DKR
ISL28488FVZ 功能描述:IC OP AMP QUAD RRIO 14-TSSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:75 系列:MicroAmplifier™ 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.03 V/µs 增益帶寬積:100kHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:60µV 電流 - 電源:20µA 電流 - 輸出 / 通道:5mA 電壓 - 電源，單路/雙路(±):2.3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:管件
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ISL28533EV2Z 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:5V, Rail-Rail I/O, Zero-Drift, Programmable Gain Instrumentation Amplifiers
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