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AVAILABLE
Functional Diagrams
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
General Description
The MAX038 is a high-frequency, precision function
generator producing accurate, high-frequency triangle,
sawtooth, sine, square, and pulse waveforms with a
minimum of external components. The output frequency
can be controlled over a frequency range of 0.1Hz to
20MHz by an internal 2.5V bandgap voltage
reference and an external resistor and capacitor. The
duty cycle can be varied over a wide range by applying
a ±2.3V control signal, facilitating pulse-width modula-
tion and the generation of sawtooth waveforms.
Frequency modulation and frequency sweeping are
achieved in the same way. The duty cycle and frequen-
cy controls are independent.
Sine, square, or triangle waveforms can be selected at
the output by setting the appropriate code at two
TTL-compatible select pins. The output signal for all
waveforms is a 2VP-P signal that is symmetrical around
ground. The low-impedance output can drive up
to ±20mA.
The TTL-compatible SYNC output from the internal
oscillator maintains a 50% duty cycle—regardless of
the duty cycle of the other waveforms—to synchronize
other devices in the system. The internal oscillator can
be synchronized to an external TTL clock connected
to PDI.
Applications
Precision Function Generators
Voltage-Controlled Oscillators
Frequency Modulators
Pulse-Width Modulators
Phase-Locked Loops
Frequency Synthesizer
FSK Generator—Sine and Square Waves
Features
0.1Hz to 20MHz Operating Frequency Range
Triangle, Sawtooth, Sine, Square, and Pulse
Waveforms
Independent Frequency and Duty-Cycle
Adjustments
350 to 1 Frequency Sweep Range
15% to 85% Variable Duty Cycle
Low-Impedance Output Buffer: 0.1Ω
Low 200ppm/°C Temperature Drift
High-Frequency Waveform Generator
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
V-
OUT
GND
V+
A1
A0
GND
REF
TOP VIEW
MAX038
DV+
DGND
SYNC
PDI
FADJ
DADJ
GND
COSC
PDO
GND
IIN
GND
DIP/SO
Pin Configuration
Ordering Information
* Contact factory prior to design.
PART
TEMP RANGE
PIN-PACKAGE
MAX038CPP
0°C to +70°C
20 Plastic DIP
MAX038CWP
0°C to +70°C
20 SO
MAX038C/D*
0°C to +70°C
Dice
Ordering Information
19-0266; Rev 7; 8/07
* Contact factory prior to design.
MAX038
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相关代理商/技术参数
MAX038CWP+T 功能描述:时钟发生器及支持产品 RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56
MAX038CWP-T 功能描述:时钟发生器及支持产品 RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56
MAX038EPP 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Frequency Waveform Generator
MAX038EVKIT 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Evaluation Kit for the MAX038
MAX038EWP 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:High-Frequency Waveform Generator
MAX038EWP+ 制造商:Maxim Integrated Products 功能描述:HIGH FREQ WAVEFORM GENERATOR - Rail/Tube
MAX038EWP+T 制造商:Maxim Integrated Products 功能描述:HIGH-FREQ WAVEFORM GENERATOR - Tape and Reel
MAX03G 制造商:Aavid Thermalloy 功能描述:CLIP FOR TO 制造商:Aavid Thermalloy 功能描述:HEAT SINK CLIP - MAX TO220/218/247 制造商:Aavid Thermalloy 功能描述:Standard Force Clip 制造商:Aavid Thermalloy 功能描述:Thrml Mgmt Access Heat Sink Clip