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U2781B Datasheet, PDF (3/10 Pages) TEMIC Semiconductors – Frequency Synthesizer | |||
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U2781B
Operating Range
ÃÃÃSAÃÃÃumpbpÃÃÃileynvtÃÃÃoteltmaÃÃÃgpeerÃÃÃaturÃÃÃe ÃÃÃParaÃÃÃmetÃÃÃersÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃSyTVmÃÃÃamSbboÃÃÃl ÃÃÃÃÃÃÃÃÃâ2.ÃÃÃ4V70atoltuoÃÃÃ5e8.55ÃÃÃÃÃÃÃÃÃÃÃÃUÃÃðVnCitÃÃÃÃÃÃ
Thermal Resistance
Parameters
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Junction ambient
SSO20
Symbol
RthJA
Value
140
Unit
K/W
Electrical Characteristics
Tamb = 25_C, VS = 2.7 to 5.5 V, unless otherwise specified
Parameters
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ DC supply
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Supply voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Supply current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Supply voltage CP
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Supply current CP
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ RF input
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Input voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ fi = 200 to 1100 MHz
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Frequency range
Test Conditions / Pin
Vs = 3 V
VCP = 5 V, PLL in
locked condition
Rs = 50 ⦠*)
Rs = 50 ⦠*)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Scaling factor prescaler
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Scaling factors main counter
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Scaling factors swallow counter
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Reference oscillator
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Input voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Frequency range
Rs = 50 ⦠*)
Rs = 50 ⦠*)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Scaling factor reference counter
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 3-wire bus (Clock, Data, Enable) and PS
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ High input voltage
Low input voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ High input current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Low input current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Monitor output (Emitter follower)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ High output voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Low output voltage
Charge-pump output
Vs = 3 V
IMO = 0.5 mA
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Source current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Sink current
VCP = 5 V
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Leakage current
VCP = 5 V
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Lock-detektor output (open collector)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Saturation voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Leakage current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ W *) RMS voltage at 50
ILD = 1 mA
VLD = 5 V
Symbol
Vs
Is
VSCP
ISCP
Vimin
Vimax
fimin
fimax
SPSC
SM
SS
Vimin
Vimax
fimin
fimax
SR
ViH
ViL
IiH
IiL
ViH
ViL
Isource
Isink
Ileak
Vsat
Ileak
Min
2.7
Vs
1100
4
0
4
1.5
0
â5
2.1
Typ
Max
Unit
5.5
V
5
mA
5.5
V
1
µA
20
200
50
1250
64/128
mVRMS
mVRMS
MHz
MHz
2047
127
20
mVRMS
200
mVRMS
0,1
MHz
20
MHz
16383
0.9
V
0.4
V
5
µA
µA
2.2
V
1.8
1.9
V
â1
mA
1
mA
±5
nA
0.2
0.4
V
5
nA
TELEFUNKEN Semiconductors
Rev. A3, 26-Nov-97
3 (10)
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