Low-Jitter I2C/SPI Programmable Dual LVDS Oscillator
DSC2133 DSC2233
Absolute Maximum Ratings
Ordering Code
Item
Min
Max
Unit Condition
Prog Mode
1: I2C bus
2: SPI bus
Temp Range
E: -20 to 70
I: -40 to 85
Packing
T: Tape & Reel
: Tube
Supply Voltage
-0.3
+4.0
V
Input Voltage
Junction Temp
Storage Temp
Soldering Temp
-0.3 VDD+0.3
V
°C
°C
-
-55
-
+150
+150
+260
DSC2 1 33 F I 2
xxxxx
T
°C
V
40sec max.
ESD
HBM
MM
-
Package
F: 3.2x2.5mm
Stability
1: ±50ppm
2: ±25ppm
Freq (MHz)
See Freq. table
4000
400
CDM
1500
Note: 1000+ years of data retention on internal memory
Specifications (Unless specified otherwise: T=25° C)
Parameter
Supply Voltage1
Condition
Min.
Typ.
Max.
3.6
Unit
VDD
IDD
2.25
V
Supply Current
Supply Current2
EN pin low – outputs are disabled
21
38
23
mA
EN pin high – outputs are enabled
RL=100Ω, FO1=FO2 =156.25 MHz
Includes frequency variations due
to initial tolerance, temp. and
power supply voltage
IDD
mA
±25
±50
Frequency Stability
Aging
Startup Time3
Δf
ppm
Δf
tSU
1 year @25°C
T=25°C
±5
5
ppm
ms
Input Logic Levels
Input logic high
Input logic low
VIH
VIL
0.75xVDD
-
-
V
0.25xVDD
Output Disable Time4
Output Enable Time
Pull-Up Resistor2
tDA
5
ns
ns
tEN
20
Pull-up exists on all digital IO
LVDS Outputs
40
kΩ
Output Offset Voltage
Delta Offset Voltage
Pk to Pk Output Swing
Output Transition time4
Rise Time
R=100Ω Differential
1.125
1.4
50
V
mV
mV
Single-Ended
350
200
20% to 80%
RL=50Ω, CL= 2pF
tR
tF
ps
Fall Time
Frequency
f0
Single Frequency
Differential
2.3
48
460
52
MHz
%
Output Duty Cycle
Period Jitter5
SYM
JPER
FO1=FO2=156.25 MHz
2.5
psRMS
200kHz to 20MHz @148.5MHz
100kHz to 20MHz @148.5MHz
12kHz to 20MHz @148.5MHz
0.28
0.4
1.7
Integrated Phase Noise
JCC
psRMS
2
Notes:
1.
Pin 4 VDD should be filtered with 0.01uf capacitor.
2.
3.
4.
5.
Output is enabled if Enable pad is floated or not connected.
tsu is time to 100PPM stable output frequency after VDD is applied and outputs are enabled.
Output Waveform and Test Circuit figures below define the parameters.
Period Jitter includes crosstalk from adjacent output.
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DSC2133 DSC2233 Page 4 MK-Q-B-P-D-12050109
MICREL [ MICREL SEMICONDUCTOR ]
