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| 型号： | MAX9601EUP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR HS 20-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 带锁销 |
| 元件数： | 2 |
| 输出类型： | 补充型，差分，PECL |
| 电压 - 输入偏移（最小值）： | 5mV @ -5.2V，5V |
| 电流 - 输入偏压（最小值）： | 6µA @ -5.2V，5V |
| 电流 - 输出（标准）： | 50mA |
| 电流 - 静态（最大值）： | 27mA |
| CMRR, PSRR（标准）： | 70dB CMRR，65dB PSRR |
| 传输延迟（最大）： | 0.5ns |
| 磁滞： | 30mV |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
MAX9600/MAX9601/MAX9602
The MAX9600/MAX9601 incorporate latch-enable and
hysteresis control. Hysteresis rejects noise and pre-
vents oscillations on low-slew input signals. The latch-
enable control permits tracking or sampling mode of
operations. Drive the complementary latch enable with
standard ECL logic for MAX9600 and PECL logic for
MAX9601. The MAX9602 quad-channel PECL output
comparator does not include the latch-enable or hys-
teresis control functions.
Applications Information
Layout
Special layout precautions exist due to the large gain-
bandwidth characteristic of the MAX9600/MAX9601/
MAX9602. Use a printed circuit board with a good, low-
inductance ground plane. Mount 0.01F ceramic
decoupling capacitors as close to the power-supply
inputs as possible. Minimize lead lengths on the inputs
and outputs to avoid unwanted parasitic feedback
around the comparators. Use surface-mount chip com-
ponents to minimize lead inductance. Pay close atten-
tion to the bandwidth of the decoupling and terminating
components.
Use microstrip layout and terminations at the input and
output. Avoid discontinuities in differential impedance.
Maximize common-mode noise immunity by maintain-
ing the distance between differential traces and avoid
sharp corners. Minimize the number of vias to prevent
impedance discontinuities. Match the electrical length
of the traces to minimize skew.
Input Slew-Rate Requirements
As with all high-speed comparators, the high gain-
bandwidth product of these devices can create oscilla-
tion problems when the input goes through the
threshold region. This is typically due to parasitic paths,
which cause positive feedback to occur. For clean
switching without oscillation or steps in the output
waveform for the MAX9600/MAX9601, use an input with
a slew rate of 5V/s or faster. For the MAX9602, use a
slew rate of 25V/s or faster. The tendency of the part
to oscillate is a function of the layout and source imped-
ance of the circuit employed. Poor layout and larger
source impedance increases the minimum slew-rate
requirement. Adding hysteresis accommodates slower
inputs (see the Hysteresis section).
Hysteresis (MAX9600/MAX9601)
Hysteresis can be introduced to prevent oscillation or
multiple transitions due to noise. The MAX9600/
MAX9601 feature current-controlled hysteresis, which is
set by placing a resistor between HYS_ and GND. The
value of the current-setting resistor is determined by the
output voltage of 2.5V at HYS_ divided by the desired
hysteresis current level in the range of 0 to 200A.
RHYS of 10k
to 35k resistors provides hysteresis of
60mV to 5mV (see the Hysteresis vs. RHYS to GND
graph in the Typical Operating Characteristics section).
For a zero hysteresis (0A hysteresis current), leave
HYS_ open or connect it to VCC.
Propagation Delay Dispersion
Propagation delay dispersion is defined as a variation
in propagation delay as a function of change in input
conditions. In an automatic test system pin-driver elec-
tronics, for example, the dispersion determines the
maximum edge resolution.
Many factors can affect the dispersion, such as common-
mode voltage, overdrive, input slew rate, duty cycle, and
pulse width. The typical propagation delay dispersions of
the MAX9600/MAX9601/MAX9602 are less than 10ps to
40ps (see the Typical Operating Characteristics and
Electrical Characteristics sections).
Comparators with Latch Enable
(MAX9600/MAX9601)
The latch-enable function allows the comparator to be
used in a sampling mode. When LE_ is low (LE_ is high),
the comparator tracks the input signal. When LE_ is dri-
ven high (LE_ is low), the outputs are forced to an unam-
biguous logic state, dependent on the input conditions at
the time of the latch input transition. If the latch-enable
function is not used, connect the appropriate LE_ input
to a low ECL/PECL logic, and its complementary LE_
input to a high ECL/PECL logic level (see Table 1).
The input range of the MAX9600 differential latch-
enable inputs is 400mV to 2V. The logic-input swing
excursion must fall within an input-voltage range (VLR)
of -2V to 0 to work properly. The input range of the
MAX9601 differential latch-enable inputs is 250mV to
3.5V. The logic-input swing excursion must fall within an
input-voltage range (VLR) of 0 to 3.5V for (VCCO_ <
3.5V) or VLR of (VCCO_ - 3.5V) to VCCO_ for (VCCO_
≥
3.5V) to work properly.
Dual ECL and Dual/Quad PECL, 500ps,
Ultra-High-Speed Comparators
10
______________________________________________________________________________________
LATCH-ENABLE INPUT
LE_
LE___
_
OPERATION
01
Compare Mode. Output follows
input state.
10
Latch Mode. Output latches to
last known output state.
00
11
Invalid condition, output is in
unknown state.
Table 1. Latch-Enable Truth Table
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| MAX9601EVKIT+ | 功能描述:其他开发工具 Dual ECL-D/Q PECL 500ps Comparator RoHS:否 制造商:Parallax 产品:ELEV-8 Hex Upgrade Kits 类型:Robotics 工具用于评估:ELEV-8 Quadcopter 工作电源电压: |
| MAX9602EUG | 功能描述:校验器 IC Dual ECL-D/Q PECL 500ps Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MAX9602EUG+ | 功能描述:校验器 IC Dual ECL-D/Q PECL 500ps Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MAX9602EUG+T | 功能描述:校验器 IC Dual ECL-D/Q PECL 500ps Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MAX9602EUG-T | 功能描述:校验器 IC Dual ECL-D/Q PECL 500ps Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
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