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參數(shù)資料
| 型號(hào)： | MAX4169ESD+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/17頁 |
| 文件大小： | 0K |
| 描述： | IC OP AMP R-R I/O W/SD 14-SOIC |
| 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： | 2 V/µs |
| 增益帶寬積： | 5MHz |
| 電流 - 輸入偏壓： | 50nA |
| 電壓 - 輸入偏移： | 250µV |
| 電流 - 電源： | 1.3mA |
| 電流 - 輸出 / 通道： | 125mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 6.5 V，±1.35 V ~ 3.25 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-SOIC |
| 包裝： | 帶卷 (TR) |
MAX4165–MAX4169
High-Output-Drive, Precision, Low-Power, Single-
Supply, Rail-to-Rail I/O Op Amps with Shutdown
12
______________________________________________________________________________________
Power-Up and Shutdown Modes
The MAX4166/MAX4168 have a shutdown option.
When the shutdown pin (SHDN) is pulled low, supply
current drops to 58A per amplifier (VCC = +5V), the
amplifiers are disabled, and their outputs are placed in
a high-impedance state. Pulling SHDN high or leaving it
floating enables the amplifier. In the dual MAX4168, the
two amplifiers shut down independently. Figures 12
and 13 show the MAX4166’s output voltage and sup-
ply-current responses to a shutdown pulse. The
MAX4166–MAX4169 typically settle within 5s after
power-up (Figure 14).
Power Supplies and Layout
The MAX4165–MAX4169 can operate from a single
+2.7V to +6.5V supply, or from dual ±1.35V to
±3.25V supplies. For single-supply operation, bypass
the power supply with a 0.1F ceramic capacitor in
parallel with at least 1F. For dual-supply operation,
bypass each supply to ground. Good layout improves
performance by decreasing the amount of stray capac-
itance at the op amps’ inputs and outputs. Decrease
stray capacitance by placing external components
close to the op amps’ pins, minimizing trace and lead
lengths.
1300
0
10
100k
100
200
300
400
1100
1200
MAX4165-fig08
RESISTIVE LOAD (k
)
CAPACITIVE
LOAD
(pF)
100
1k
10k
1000
900
800
700
600
500
STABLE REGION
VCC = +5.0V
RL to VCC / 2
UNSTABLE REGION
Figure 8. Capacitive-Load Stability
IN
(20mV/div)
OUT
(20mV/div)
MAX4165-fig09
TIME (1
s/div)
VCC = +3.0V, CL = 1500pF
RL = 100k, RISO = 0
Figure 9. Small-Signal Transient Response with Excessive
Capacitive Load
IN
(20mV/div)
OUT
(20mV/div)
MAX4165-fig10
TIME (1
s/div)
VCC = +3.0V, CL = 1500pF
RL = 100k, RISO = 39
Figure 10. Small-Signal Transient Response with Excessive
Capacitive Load with Isolation Resistor
RISO
CL
Figure 11. Capacitive-Load-Driving Circuit
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| MAX4172ESA | 功能描述:電流靈敏放大器 Precision High-Side Current-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4172ESA+ | 功能描述:電流靈敏放大器 Precision High-Side Current-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
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