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參數(shù)資料
| 型號： | MAX4292EUA+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 2/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OP AMP R-R I/O 8-UMAX |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 放大器類型： | 通用 |
| 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： | 500kHz |
| 電流 - 輸入偏壓： | 15nA |
| 電壓 - 輸入偏移： | 200µV |
| 電流 - 電源： | 100µA |
| 電流 - 輸出 / 通道： | 20mA |
| 電壓 - 電源，單路/雙路(±)： | 1.8 V ~ 5.5 V，±0.9 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-uMAX |
| 包裝： | 帶卷 (TR) |
MAX4291/MAX4292/MAX4294
variety of typical battery types showing voltage when
fresh, voltage at end-of-life, capacity, and approximate
operating time from a MAX4291 (assuming nominal
conditions).
Although the amplifiers are fully guaranteed over tem-
perature for operation down to a 1.8V single supply,
even lower voltage operation is possible in practice.
Figures 4 and 5 show the offset voltage and supply cur-
rent as a function of supply voltage and temperature.
Load-Driving Capability
The MAX4291/MAX4292/MAX4294 are fully guaranteed
over temperature and supply voltage range to drive a
maximum resistive load of 2k
to VCC/2, although
heavier loads can be driven in many applications. The
rail-to-rail output stage of the amplifier can be modeled
as a current source when driving the load toward VCC,
and as a current sink when driving the load toward VEE.
The limit of this current source/sink varies with supply
voltage, ambient temperature, and lot-to-lot variations
of the units.
Figures 6a and 6b show the typical current source and
sink capabilities of the MAX4291/MAX4292/MAX4294
family as a function of supply voltage and ambient tem-
perature. The contours on the graph depict the output
current value, based on driving the output voltage to
within 50mV, 100mV, and 200mV of either power-sup-
ply rail.
For example, a MAX4291 running from a single 1.8V
supply, operating at TA = +25°C can source 3.5mA to
Ultra-Small, 1.8V, Power,
Rail-to-Rail I/O Op Amps
10
______________________________________________________________________________________
SUPPLY VOLTAGE (V)
-700
-600
-650
-550
-500
-450
0
3.0
2.5
2.0
1.0 1.5
0.5
3.5 4.0 4.5 5.0 5.5
MAX4291
OFFSET VOLTAGE vs. SUPPLY VOLTAGE
OFFSET
VOLTAGE
(
V)
TA = +25
°C
TA = -40
°C
TA = +85
°C
VCM = VCC/2
Figure 4. Offset Voltage vs. Supply Voltage
0
60
20
40
80
100
120
140
0
2.0 2.5 3.0
1.0
0.5
1.5
3.5
4.5 5.0
4.0
5.5
SUPPLY CURRENT PER AMPLIFIER
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(
A)
TA = +85
°C
TA = -40
°C
TA = +25
°C
Figure 5. Supply Current per Amplifier vs. Supply Voltage
0
15
5
10
20
25
30
-55
5
20 35
-25
-40
-10
50
80
110
95
65
125
OUTPUT SOURCE CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
OUTPUT
SOURCE
CURRENT
(mA)
VOH = VCC - VOUT
VCC = 5.5V
VOH = 200mV
VCC = 5.5V
VOH = 50mV VCC = 1.8V
VOH = 100mV
VCC = 1.8V
VOH = 200mV
VCC = 5.5V
VOH = 100mV
VCC = 1.8V
VOH = 50mV
Figure 6a. Output Source Current vs. Temperature
VOL = VOUT - VEE
0
10
2
4
6
8
12
14
16
18
-55
5
20 35
-25
-40
-10
50
80
110
95
65
125
OUTPUT SINK CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
OUTPUT
SINK
CURRENT
(mA)
VCC = 1.8V
VOL = 200mV
VCC = 1.8V
VOL = 50mV
VCC = 5.5V
VOL = 200mV
VCC = 5.5V
VOL = 100mV
VCC = 1.8V
VOL = 100mV
VCC = 5.5V
VOL = 50mV
Figure 6b. Output Sink Current vs. Temperature
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4292EUA-TG069 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4292EUB | 功能描述:運算放大器 - 運放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX4294ESD | 功能描述:運算放大器 - 運放 1.8V uPower Rail-Rail RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX4294ESD+ | 功能描述:運算放大器 - 運放 1.8V uPower Rail-Rail RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX4294ESD+T | 功能描述:運算放大器 - 運放 1.8V uPower Rail-Rail RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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