參數(shù)資料
型號(hào)： MAX4294EUD+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 2/18頁(yè)
文件大小： 0K
描述： IC OP AMP R-R I/O 14-TSSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
放大器類型： 通用
電路數(shù)： 4
輸出類型： 滿擺幅
轉(zhuǎn)換速率： 0.2 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： 14-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 14-TSSOP
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
MAX4295EEE 功能描述:音頻放大器 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX4295EEE+ 功能描述:音頻放大器 Mono 2W Switch Mode (Class D) RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX4295EEE+T 功能描述:音頻放大器 Mono 2W Switch Mode (Class D) RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX4295EEE-T 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
MAX4295ESE 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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