参数资料
型号: SM802109UMG
厂商: Micrel Inc
文件页数: 6/11页
文件大小: 0K
描述: IC SYNTHESIZER QUAD 100MHZ 24QFN
产品培训模块: High Bandwidth Product Overview
特色产品: SM802109 Synthesizer
标准包装: 100
系列: ClockWorks™, PCI Express® (PCIe), RotaryWave™
类型: 时钟/频率合成器,多路复用器
PLL:
主要目的: PCI Express(PCIe)
输入: LVCMOS,晶体
输出: HCSL
电路数: 1
比率 - 输入:输出: 2:4
差分 - 输入:输出: 无/是
频率 - 最大: 100MHz
电源电压: 2.375 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-VFQFN
供应商设备封装: 24-QFN(4x4)
包装: 管件
其它名称: 576-3951
MCP4802/4812/4822
DS22249A-page 4
2010 Microchip Technology Inc.
Internal Voltage Reference (VREF)
Internal Reference Voltage
VREF
2.008
2.048
2.088
V
VOUTA when G = 1x and
Code = 0xFFFh
Temperature Coefficient
VREF/°C
125
325
ppm/°C
-40°C to 0°C
0.25
0.65
LSb/°C
-40°C to 0°C
45
160
ppm/°C
0°C to +85°C
0.09
0.32
LSb/°C
0°C to +85°C
Output Noise (VREF Noise)
ENREF
(0.1-
10 Hz)
—290
Vp-p
Code = 0xFFFh, G = 1x
Output Noise Density
eNREF
(1 kHz)
—1.2
V/
Hz Code = 0xFFFh, G = 1x
eNREF
(10 kHz)
—1.0
V/
Hz Code = 0xFFFh, G = 1x
1/f Corner Frequency
fCORNER
—400
Hz
Output Amplifier
Output Swing
VOUT
0.01 to
VDD – 0.04
V
Accuracy is better than 1 LSb for
VOUT = 10 mV to (VDD–40 mV)
Phase Margin
PM
66
Degree
(°)
CL= 400 pF, RL =
Slew Rate
SR
0.55
V/s
Short Circuit Current
ISC
—15
24
mA
Settling Time
tSETTLING
4.5
s
Within 1/2 LSb of final value from
1/4 to 3/4 full-scale range
Dynamic Performance (Note 2)
DAC-to-DAC Crosstalk
<10
nV-s
Major Code Transition Glitch
45
nV-s
1 LSb change around major carry
(0111...1111 to
1000...0000)
Digital Feedthrough
<10
nV-s
Analog Crosstalk
<10
nV-s
ELECTRICAL CHARACTERISTICS (CONTINUED)
Electrical Specifications: Unless otherwise indicated, VDD = 5V, VSS = 0V, VREF = 2.048V,
Output Buffer Gain (G) = 2x, RL = 5 k to GND, CL = 100 pF, TA = -40 to +85°C. Typical values are at +25°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note 1:
Guaranteed monotonic by design over all codes.
2:
This parameter is ensured by design, and not 100% tested.
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