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参数资料
| 型号： | MAX4038EBL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/22页 |
| 文件大小： | 0K |
| 描述： | IC OP AMP R-R W/REF 9-UCSP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 放大器类型： | 通用 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.004 V/µs |
| 增益带宽积： | 4kHz |
| 电流 - 输入偏压： | 1pA |
| 电压 - 输入偏移： | 200µV |
| 电流 - 电源： | 1.9µA |
| 电流 - 输出 / 通道： | 13mA |
| 电压 - 电源，单路/双路(±)： | 1.4 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 9-UFBGA，WLCSP |
| 供应商设备封装： | 9-UCSP（3x3） |
| 包装： | 带卷 (TR) |
MAX4036–MAX4039
Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Reference
12
______________________________________________________________________________________
3)
Calculate R1:
4)
Choose the threshold voltage for VIN rising (VTHR).
In this example, choose VTHR = 2.0V.
5)
Calculate R2:
6)
Verify the threshold voltages with these formulas:
VIN rising:
VIN falling:
In this application, the MAX4036–MAX4039 supply cur-
rent will vary, depending on the output state of the
comparator.
Power Supplies and Layout
The MAX4036–MAX4039 operate from a single 1.4V
(MAX4036/MAX4038) or 1.8V (MAX4037/MAX4039) to
3.6V power supply. Bypass VDD with a 0.1F capacitor
to ground to minimize noise.
Good layout techniques optimize performance by
decreasing the amount of stray capacitance to the op
amp’s inputs and outputs. To decrease stray capaci-
tance, minimize trace lengths by placing external com-
ponents close to the device.
The exposed paddle (EP) on the TDFN packages of the
MAX4038 and MAX4039 is internally connected to the
device substrate, VSS. Connect the exposed paddle to
VSS or leave EP unconnected. Running traces below the
exposed paddle is not recommended.
Chip Information
MAX4036 TRANSISTOR COUNT: 49
MAX4037 TRANSISTOR COUNT: 119
MAX4038 TRANSISTOR COUNT: 146
MAX4039 TRANSISTOR COUNT: 146
PROCESS: BiCMOS
VV
RV
R
THF
THR
DD
=
×
1
3
VV
R
RR
R
THR
REF
=×
×
+
1
2
1
3
R
V
VR
R
V
Vk
k
M
k
THR
REF
2
1
3
1
20
1 2
210
1
210
1
10
325
.
=
×
=
×
=
ΩΩ
Ω
RR
V
M
V
k
HB
DD
13
10
05
24
210
.
=×
=
Ω
VREF
R3
R1
R2
VBATT
VBGOOD
VSS
VDD
IN+
REF
IN-
OUT
MAX4037
Figure 4. Battery Monitoring
Selector Guide
PART
NO. OF AMPLIFIERS
REFERENCE
MAX4036
1
—
MAX4037
1
√
MAX4038
2
—
MAX4039
2
√
Ordering Information (continued)
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
MAX4039EBL-T
-40°C to +85°C
9 UCSP
AEH
MAX4039ETB-T
-40°C to +85°C
10 TDFN-EP*
AAN
MAX4039EUB
-40°C to +85°C
10 MAX
—
-
Denotes a package containing lead.
*
EP = Exposed pad.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4038ETA | 制造商:Maxim Integrated Products 功能描述:LOW IBIAS, +1.4V/800NA, RAIL-TO-RAIL OP AMPS - Rail/Tube |
| MAX4038ETA+ | 制造商:Maxim Integrated Products 功能描述:OP AMP DUAL GP R-R O/P 3.6V 8TDFN EP - Rail/Tube |
| MAX4038ETA+T | 功能描述:运算放大器 - 运放 1.4V/800nA Rail-Rail w/1.2V Buffered Ref RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX4038ETA-T | 功能描述:运算放大器 - 运放 1.4V/800nA Rail-Rail w/1.2V Buffered Ref RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX4038EUA | 功能描述:运算放大器 - 运放 1.4V/800nA Rail-Rail w/1.2V Buffered Ref RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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