Datasheet ULPO 1 -26 MHz

PETERMANN-TECHNIK GmbH
Lechwiesenstr. 13 ∙ D-86899 ∙ Landsberg am Lech
Tel: +49/8191/305395 ∙ Fax: +49/8191/305397
ULTRA-LOW POWER OSCILLATOR 1-26MHz
SERIES „ULPO“
FEATURES
DESCRIPTION AND APPLICATIONS
+ Ultra Low Power High Precision Oscillator for Low Cost
The ULPO is the industry's smallest and the lowest power MHz oscillator.
With it’s ultra low power consumption, the ULPO enables longer battery
life time for a wearable, IoT or mobile device compared to a quartz-based
oscillator or resonator.
The combination of lowest power, smallest package and flexible output
frequency makes it ideal for power sensitive and space constrained applications including:
+ Excellent long time reliability
+ Ultra-small 1.5 mm x 0.8 mm package
+ 1 to 26 MHz with 6 decimal places of accuracy
+ Ultra low power consumption of 50 µA at 2.048 MHz
+ Operating temperature from -40°C to 85°C (ask for –40/+105°C)
+ RoHS and REACH compliant, Pb-free, Halogen-free and Antimonyfree / [email protected]°
+
+
+
+
+
+
Smart Phones
Tablets
Ultra-Small Notebook PC
Battery powered devices
Wearables
IoT devices
+
+
+
+
+
+
GPS
Smart Metering
Sport video cams
Home Automation
Health and Medical monitoring
Hearing aids
GENERAL DATA(1,2)
PARAMETER AND CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
CONDITION
F
1
-
26
MHz
Standard frequencies (See Table 1.)
F_tol
-15
-
+15
PPM
Frequency offset at 25°C
F_stab
-100
-
+100
PPM
Inclusive of initial tolerance, and variations over operating
temperature, rated power supply voltage and output load.
Contact PETERMANN-TECHNIK for ±25 or ±50 ppm options.
F_1 year
-3
+3
PPM
At 25°C
T_use
-20
–
+70
°C
Extended Commercial
-40
–
+85
°C
Industrial.
Contact PETERMANN-TECHNIK for –40°C to 105°C option.
T_stor
-55
–
+125
°C
Storage
Supply Voltage
VDD
1.62
1.8
1.98
V
Contact PETERMANN-TECHNIK for 3.3V option
Current Consumption
IDD
50
-
320
µA
Depending on Frequency (See Table 1.)
Standby Current
I_std
-
0.7
1.3
µA
ST pin =HIGH, Output is weekly pulled down
DC
45
55
%
T_r, T_f
-
8
ns
Output High Voltage
VOH
90%
-
-
VDD
IOH = -0.5 mA
Output Low Voltage
VOL
-
-
10%
VDD
IOL = 0.5 mA
VIH
80%
-
FREQUENCY RANGE
Output Frequency Range
FREQUENCY STABILITY AND AGING
Initial Tolerance
Frequency Stability
First Year Aging
OPERATING TEMPERATURE RANGE
Operating Temperature Range
Storage Temperature Range
SUPPLY VOLTAGE AND CURRENT CONSUMPTION
LVCMOS OUTPUT CHARACTERISTICS
Duty Cycle
Rise/ Fall Time
4
20% - 80%. Contact PETERMANN-TECHNIK for other programmable rise/fall options
INPUT CHARACTERISTICS
Input High Voltage
Input Low Voltage
Input Slew Rate
Input Pull-down Impedance
VDD
VIL
-
-
20%
VDD
In-slew
10
-
-
V/µs
Z_in
300
-
-
kΩ
Active mode (ST pin = LOW)
2.5
4
-
MΩ
Standby mode (ST pin = HIGH)
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PAGE 1 OF 7 I SPEC 01 I REV.01 I MARCH 2016
PETERMANN-TECHNIK GmbH
Lechwiesenstr. 13 ∙ D-86899 ∙ Landsberg am Lech
Tel: +49/8191/305395 ∙ Fax: +49/8191/305397
GENERAL DATA (continued)
PARAMETER AND CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
CONDITION
RMS Period Jitter
T_jitt
-
75
110
ps
f=6.144 MHz
RMS Phasse Jitter
T_phj
-
0.8
2.5
ns
f = 6.144 MHz, Integration bandwidth = 100 Hz to 40 kHz.
Note 3
T_start
-
75
150
ms
Measured from the time VDD reaches 90% of its final value
Startup Time
T_stdby
-
-
20
µs
Measured from the time ST pin crosses 50% threshold
Resume Time
T_resume
-
2
3
ms
Measured from the time ST pin crosses 50% threshold
JITTER PERFORMANCE
LVCMOS OUTPUT (STANDARD VERSION)
Startup Time
Notes:
1. Current consumption with load is a function of the output frequency and output load. For any given output frequency, the capacitive loading will increase current consumption equal to C_load*VDD*f(MHz).
2. All Min and Max limits are specified over temperature and rated operating voltage with 15 pF output load unless otherwise stated. Typical values are at 25°C and nominal supply voltage.
3. Max spec inclusive of 25 mV peak-to-peak sinusoidal noise on VDD. Noise frequency 100 Hz to 20 MHz.
TABLE 1. STANDARD FREQUENCES
STANDARD FREQUENCIES
CURRENT CONSUMPTION
2.048 MHz
50 µA
4 MHz
70 µA
6.144 MHz
90 µA
8 MHz
120 µA
12 MHz
160 µA
12.288 MHz
160 µA
16 MHz
200 µA
19.2 MHz
230 µA
24 MHz
300 µA
26 MHz
320 µA
PIN DESCRIPTION
PIN
SYMBOL
I/O
FIGURE 1. PIN ASSIGNMENTS (TOP VIEW)
FUNCTIONALITY
ST
1
4
GND
OUT
2
3
VDD
L: Specified frequency output
H: Output is low ( weak pull down). Device goes to
the standby mode.
Supply current reduces to I_std.
1
ST
Input
2
OUT
Output
3
VDD
Power
Supply voltage. Bypass with a 0.01μF X7R capacitor.
4
GND
Power
Connect to ground
LVCMOS clock output
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FIGURE 2. BLOCK DIAGRAM
VDD
CMOS
Control
Regulator
ST
Oscillator
Circuit
Frequency
Synthesizer
OUT
OUT
DRV
Resonator
GND
DEVICE OPERATING MODES AND OUTPUTS
OUTPUT DURING STARTUP AND RESUME
The ULPO supports ≤0.7 µA standby mode for battery-powered and other
The ULPO starts up with the output disabled. The output is enabled
power sensitive applications. The switching between the active and
standby modes is controlled by the logic level on the ST pin.
once all internal circuit blocks are active, and logic LOW or FLOAT is
detected on the ST pin.
As shown in Table 2, logic HIGH at ST pin forces the ULPO into
TABLE 2. OPERATING MODES AND OUTPUT STATES
“standby” state, causing the output to disable. Upon pulling ST pin
LOW, the device enters “resume” state, keeping the output disabled.
ST Pin
Mode
LOW
Active
FLOAT
Active with 200 kΩ
internal pull-down
HIGH
Standby
OUTPUT
Specified
frequency
Specified
frequency
Hi-Z pulled-down with
1MΩ impedence
Max Current Consumption
Once “resume” state ends, the device output enables. The first clock
60 µA @ 3.072 MHz
LOW POWER DESIGN GUIDELINES
60 µA @ 3.072 MHz
1.3 µA
pulse after startup or resume is accurate to the rated stability.
For high EM noise environments, we recommend the following design guidelines:
+ Place oscillator as far away from EM noise sources as possible
(e.g., high-voltage switching regulators, motor drive control).
ACTIVE MODE
The ULPO operates in the active mode when the ST pin is at logic LOW or
FLOAT. In the active mode, the device uses the on-chip frequency synthesizer to generate an output from the internal resonator reference. The
frequency of the output is factory programmed based on the device ordering code.
STANDBY MODE
The ULPO operates in the standby mode when the ST pin is at logic HIGH.
In the standby mode, all internal circuits with the exception of the oscillator circuit and the ST pin detection logic are turned off to reduce power
consumption. While in standby mode, the input impedance of the ST pin is
increased to further reduce system level power consumption. The output
driver of the device in the standby mode is weakly pulled-down with a 1
+ Route noisy PCB traces, such as digital data lines or high di/dt
power supply lines, away from the oscillator.
+ Place a solid GND plane underneath the oscillator to shield the
oscillator from noisy traces on the other board layers.
MANUFACTURING GUIDELINES
+ No Ultrasonic or Megasonic Cleaning: Do not subject the ULPO to
an ultrasonic or megasonic cleaning environment. Permanent
damage or long-term reliability issues to the device may occur in
such an event.
+ Applying board-level underfill (BLUF) to the device is acceptable,
but will cause a slight shift of few PPM in the initial frequency
tolerance. Tested with UF3810, UF3808, and FP4530 underfill.
+ Reflow profile, per JESD22-A113D.
MΩ impedance.
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Tel: +49/8191/305395 ∙ Fax: +49/8191/305397
TEST CIRCUIT AND WAVEFORM
FIGURE 3. TEST CIRCUIT
FIGURE 4. WAVEFORM(3)
Test
Point
VDD
Power
Supply
OUT
0.01µF
tf
80%VDD
15pF
(including probe
and fixture capacitance)
ST
GND
tr
50%
20%VDD
High Pulse
(TH)
Low Pulse
(TL)
Period
Notes:
4. Duty Cycle is computed as Duty Cycle = TH/Period
TIMING DIAGRAMS
FIGURE 5. STARTUP TIMING
Min. Operating Voltage
FIGURE 6. RESUME TIMING
VDD
VDD
VDD - Pin 4 Voltage
ST Pin 1 Voltage
50% VDD
No Glitch first cycle
T_start
CLK Output
T_start: Time to start from power-off
T_resume
CLK Output
T_resume: Time to resume from ST
FIGURE 7. STANDBY TIMING
VDD
50%VDD
CLK Output
ST - Pin 1 Voltage
T_Stdby
HiZ
T_Stdby: Time to standby mode with output high-Z
pull-down
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Lechwiesenstr. 13 ∙ D-86899 ∙ Landsberg am Lech
Tel: +49/8191/305395 ∙ Fax: +49/8191/305397
DIMENSIONS AND PATTERNS
RECOMMENDED LAND PATTERN (UNIT:MM)
PACKAGE SIZE – DIMENSIONS (UNIT:MM)
1.55 X 0.84 MM
Ø 0.25 (4x) NSMD pads
#2
#1
Polymer
coating
#4
1.00 BSC
#3
#3
#2
0.41
#1
0.315±0.015
#4
0.41
BSC
#3
0.84±0.04
#4
0.60 max
0.04
1.54±0.04
#1
#2
1.00
0.35 (4x) Soldermask
opening
(soldermask openings shown with heavy dashed line)
Recommended 4-mil (0.1mm) stencil thickness
REFLOW SOLDER PROFILE
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Tel: +49/8191/305395 ∙ Fax: +49/8191/305397
ORDERING INFORMATION
SUPPLY VOLTAGE
OSCILLATOR
FAMILY
TEMPERATURE
RANGE
“18“ for 1.8V
FREQUENCY
1.000000 to
26.000000 MHz
“M” for -20 +70°C
“W” for -40 +85°C
ULPO
ULPO-18-1508-S-100-W-6.144MHz-T-S
FREQUENCY
STABILITY
“100” for ±100 PPM
PACKAGE SIZE
“1508” for 1.5 X 0.8 mm
PACKING METHOD
“T”: TAPE & REEL
3000 pcs. per Reel
Smaller quantities possible
FEATURE PIN 1
OUTPUT DRIVE
STRENGTH(4)
“S” for STANDBY
“S” Standard
(datasheet limits)
Notes:
5. Contact PETERMANN-TECHNIK for other drive strength options that result in different rise/fall time for any given output load.
EXAMPLE: ULPO-18-1508-S-100-W-6.144MHz-T-S
PLEASE INDICATE YOUR REQUIRED PARAMETERS
REVISION HISTORY
REVISION
0.0
0.1
RELEASE DATE
AMENDMENTS SUMMARY
OKTOBER 2015 + Initial Data Sheet (SPEC 01/REV.00)
MARCH 2016
+ Revised initial tolerance, current consumption, standby current, input high/low voltage for ST, input pull-down
impedance, startup/resume time and RMS period/phase jitter in Table General Data.
+ Added standard additional operating temperature range (–40°C to 105°C)
+ Added typ. current consumption
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Tel: +49/8191/305395 ∙ Fax: +49/8191/305397
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