Order this document by MC12095/D
MC12095
2.5 GHz Low Power Prescaler
With Stand-By Mode
The MC12095 is a single modulus prescaler for low power frequency division of a 2.5 GHz high frequency input signal. Motorola's advanced MOSAIC V technology is utilized to acheive low power dissipation of 24 mW at a minimum supply voltage of 2.7 V.
On±chip output termination provides output current to drive a 2.0 pF (typical) high impedance load. If additional drive is required for the prescaler output, an external resistor can be added in parallel from the OUT pin to GND to increase the output power. Care must be taken not to exceed the maximum allowable current through the output.
Divide ratio control input (SW) selects the required divide ratio of 2 or 4. Stand±By mode is available to reduce current drain to 100μA typical when the standby pin SB is switched LOW disabling the prescaler.
•2.5 GHz Toggle Frequency
•Supply Voltage 2.7 V to 5.5 Vdc
•Low Power 8.7 mA Typical
•Operating Temperature ±40 to 85°C
•Divide by 2 or 4 Selected by the SW Pin
NOTE: For applications up to 1.1 GHz, please consult the MC12093 datasheet.
MOSAIC V is a trademark of Motorola
FUNCTIONAL TABLE
SW |
Divide Ratio |
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H |
2 |
L |
4 |
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MECL PLL COMPONENTS2, 4 LOW POWER
PRESCALER
WITH STAND±BY MODE
SEMICONDUCTOR
TECHNICAL DATA
8 
1
D SUFFIX
PLASTIC PACKAGE
CASE 751 (SO±8)
8 
1
SD SUFFIX
PLASTIC PACKAGE
CASE 940 (SSOP±8)
NOTES: 1. SW: H = (VCC ± 0.4 V) to VCC; L = OPEN 2. SB: H = 2.0 V to VCC; L = GND to 0.8 V
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AC Test Circuit |
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VCC = 2.7 to 5.5 V |
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C1 |
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C3 |
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VCC |
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IN |
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SB |
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EXTERNAL |
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SW |
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50 Ω |
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COMPONENTS |
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OUT |
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C1 |
= C2 = 1000 pF |
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IN |
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GND |
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C3 |
= 0.1 μF |
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C2 |
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C4 |
= 2.0 pF |
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C4 |
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PIN CONNECTIONS
IN |
1 |
8 |
IN |
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V |
2 |
7 |
SB |
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CC |
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NC |
3 |
6 |
SW |
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OUT |
4 |
5 |
Gnd |
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(Top View) |
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ORDERING INFORMATION
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Operating |
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Device |
Temp Range |
Package |
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MC12095D |
TA = |
SO±8 |
MC12095SD |
± 40° to +85°C |
SSOP±8 |
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Motorola, Inc. 1997 |
Rev 3 |
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MC12095 |
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MAXIMUM RATINGS |
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Parameter |
Symbol |
Value |
Unit |
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Power Supply Voltage, Pin 2 |
VCC |
±0.5 to 6.0 |
Vdc |
Operating Temperature Range |
TA |
±40 to 85 |
°C |
Storage Temperature Range |
Tstg |
±65 to 150 |
°C |
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Maximum Output Current, Pin 4 |
IO |
8.0 |
mA |
NOTE: ESD data available upon request. |
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ELECTRICAL CHARACTERISTICS (VCC = 2.7 to 5.5 V; TA = ±40 to 85°C, unless otherwise noted.)
Parameter |
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Symbol |
Min |
Typ |
Max |
Unit |
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Toggle Frequency (Sine Wave) |
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ft |
500 |
3.0 |
2.5 |
GHz |
Supply Current |
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ICC |
± |
8.7 |
14 |
mA |
Stand±By Current |
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ISB |
± |
100 |
200 |
μA |
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Stand±By Input HIGH (SB) |
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VIH1 |
2.0 |
± |
VCC + 0.5 V |
V |
Stand±By Input LOW (SB) |
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VIL1 |
GND |
± |
0.8 |
V |
Divide Ratio Control Input HIGH (SW) |
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VIH2 |
VCC ± 0.4 |
VCC |
VCC + 0.5 V |
V |
Divide Ratio Control Input LOW (SW) |
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VIL2 |
OPEN |
OPEN |
OPEN |
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Output Voltage Swing (2pF Load) |
500±1000 MHz Input |
VOUT |
800 |
± |
± |
mVpp |
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1000±1500 MHz Input |
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400 |
450 |
± |
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1500±2500 MHz Input |
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200 |
250 |
± |
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Input Voltage Sensitivity |
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VIN |
200 |
± |
1000 |
mVpp |
Figure 1. Typical Minimum Input Sensitivity versus Input Frequency
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0 |
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±10 |
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Level (dBm) |
±20 |
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Input Power |
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±30 |
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±40 |
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500 |
700 |
900 |
1100 |
1300 |
1500 |
1700 |
1900 |
2100 |
2300 |
2500 |
Input Frequency (MHz)
(Divide By 2 Mode, T = 25°C, VCC = 2.7 V)
2 |
MOTOROLA RF/IF DEVICE DATA |
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