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參數(shù)資料
| 型號： | MAX901ACPE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 13/13頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC COMPARATER DIFF QUAD 16PDIP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 類型： | 通用 |
| 元件數(shù)： | 4 |
| 輸出類型： | TTL |
| 電壓 - 電源，單路/雙路(±)： | 5 V ~ 10 V，±2.5 V ~ 5 V |
| 電壓 - 輸入偏移（最小值）： | 2mV @ ±5V |
| 電流 - 輸入偏壓（最小值）： | 6µA @ ±5V |
| 電流 - 靜態(tài)（最大值）： | 15mA，12mA，6mA |
| CMRR, PSRR（標準）： | 86.02dB CMRR，86.02dB PSRR |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | 16-DIP（0.300"，7.62mm） |
| 安裝類型： | 通孔 |
| 包裝： | 管件 |
MAX900–MAX903
High-Speed, Low-Power Voltage Comparators
8
_______________________________________________________________________________________
Applications Information
Circuit Layout
Because of the large gain-bandwidth transfer function of
the MAX900–MAX903, special precautions must be
taken to realize their full high-speed capability. A printed
circuit board with a good, low-inductance ground plane
is mandatory. All decoupling capacitors (the small
100nF ceramic type is a good choice) should be mount-
ed as close as possible to the power-supply pins.
Separate decoupling capacitors for analog VCC and for
digital VDD are also recommended. Close attention
should be paid to the bandwidth of the decoupling and
terminating components. Short lead lengths on the
inputs and outputs are essential to avoid unwanted par-
asitic feedback around the comparators. Solder the
device directly to the printed circuit board instead of
using a socket.
Input Slew-Rate Requirements
As with all high-speed comparators, the high gain-band-
width product of the MAX900–MAX903 can create oscil-
lation problems when the input traverses the linear
region. For clean output switching without oscillation or
steps in the output waveform, the input must meet mini-
mum slew-rate requirements. Oscillation is largely a
function of board layout and of coupled source imped-
ance and stray input capacitance. Both poor layout and
large-source impedance will cause the part to oscillate
and increase the minimum slew-rate requirement. In
some applications, it may be helpful to apply some posi-
tive feedback between the output and + input. This
pushes the output through the transition region cleanly,
but applies a hysteresis in threshold seen at the input
terminals.
TTL Output and Latch Inputs
The comparator TTL-output stages are optimized for dri-
ving low-power Schottky TTL with a fan-out of four.
When the latch is connected to a logic high level, the
comparator is transparent and immediately responds to
changes at the input terminals. When the latch is con-
nected to a TTL low level, the comparator output latches
in the same state as at the instant that the latch command
is applied, and will not respond to subsequent changes
at the input. No latch is provided on the MAX901.
Power Supplies
The MAX900–MAX903 can be powered from separate
analog and digital supplies or from a single +5V supply.
The analog supply can range from +5V to +10V with
VEE grounded for single-supply operation (Figures 1A
and 1B) or from a split ±5V supply (Figure 1C). The VDD
digital supply always requires +5V.
In high-speed, mixed-signal applications where a com-
mon ground is shared, a noisy digital environment can
adversely affect the analog input signal. When set up
with
separate
supplies
(Figure
1C),
the
MAX900–MAX903 isolate analog and digital signals by
providing a separate AGND (VEE) and DGND.
+10V
+5V
VCC
VEE
VDD
OUT
GND
+5V
VCC
VEE
VDD
OUT
GND
+5V
-5V
+5V
VCC
VEE
VDD
OUT
GND
Figure 1A. Separate Analog Supply,
Common Ground
Figure 1B. Single +5V Supply, Common
Ground
Figure 1C. Split ±5V Supply, Separate
Ground
Typical Power-Supply Alternatives
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX901ACPE+ | 功能描述:校驗器 IC High-Speed Voltage Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX901ACPP | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:High-Speed, Low-Power Voltage Comparators |
| MAX901ACSE | 功能描述:校驗器 IC High-Speed Voltage Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX901ACSE+ | 功能描述:校驗器 IC High-Speed Voltage Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX901ACSE+T | 功能描述:校驗器 IC High-Speed Voltage Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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