FUJITSU MB15F78ULPVA

FUJITSU SEMICONDUCTOR
DATA SHEET
DS04-21369-1E
ASSP
Dual Serial Input
PLL Frequency Synthesizer
MB15F78UL
■ DESCRIPTION
The Fujitsu MB15F78UL is a serial input Phase Locked Loop (PLL) frequency synthesizer with a 2600 MHz and
a 1200 MHz prescalers. A 32/33 or a 64/65 for the 2600 MHz prescaler, and a 16/17 or a 32/33 for the 1200 MHz
prescaler can be selected for the prescaler that enables pulse swallow operation.
The BiCMOS process is used, as a result a supply current is typically 4.5 mA at 2.7 V. The supply voltage range
is from 2.4 V to 3.6 V. A refined charge pump supplies well-balanced output current with 1.5 mA and 6 mA
selectable by serial date. The data format is the same as the previous one MB15F08SL, MB15F78SP. Fast locking
is achieved for adopting the new circuit.
The new package (BCC20) decreases a mount area of MB15F78UL more than 30% comparing with the former
BCC16 (for dual PLL) .
MB15F78UL is ideally suited for wireless mobile communications, such as GSM and PCS.
■ FEATURES
• High frequency operation
: RX synthesizer : 2600 MHz Max.
: TX synthesizer : 1200 MHz Max.
• Low power supply voltage
: VCC = 2.4 to 3.6 V
• Ultra low power supply current : ICC = 4.5 mA Typ.
(VCC = Vp = 2.7 V, Ta = +25 °C, SWTX = SWRX = 0, in TX/RX locking state)
(Continued)
■ PACKAGES
20-pin plastic TSSOP
20-pad plastic BCC
(FPT-20P-M06)
(LCC-20P-M05)
MB15F78UL
(Continued)
• Direct power saving function : Power supply current in power saving mode
Typ. 0.1 µA (VCC = Vp = 2.7 V, Ta = +25°C)
Max. 10 µA (VCC = Vp = 2.7 V)
• Software selectable charge pump current : 1.5 mA/6.0 mA Typ.
• Dual modulus prescaler : 2600 MHz prescaler (32/33 or 64/65) /1200 MHz prescaler (16/17 or 32/33)
• 23-bit shift register
• Serial input binary 14-bit programmable reference divider : R = 3 to 16,383
• Serial input programmable divider consisting of :
- Binary 7-bit swallow counter : 0 to 127
- Binary 11-bit programmable counter : 3 to 2,047
• Built-in high-speed tuning, low-noise phase comparator, current-switching type constant current circuit
• On-chip phase control for phase comparator
• On-chip phase comparator for fast lock and low noise
• Built-in digital locking detector circuit to detect PLL locking and unlocking
• Operating temperature : Ta = −40 to +85 °C
• Serial data format compatible with MB15F08SL
■ PIN ASSIGNMENTS
(TSSOP-20)
TOP VIEW
(BCC-20)
TOP VIEW
OSCIN
1
20
Clock
GND
2
19
Data
finTX
3
18
LE
XfinTX
4
17
finRX
GNDTX
5
16
XfinRX
VCCTX
6
15
GNDRX
PSTX
7
14
VCCRX
VpTX
8
13
PSRX
DoTX
9
12
VpRX
LD/fout
10
11
DoRX
(FPT-20P-M06)
2
OSCIN Data
GND Clock
finTX
1
XfinTX
2
GNDTX
VCCTX
3
4
PSTX
5
VpTX
6
20 19 18 17
16
15
14
13
12
7
8
9 10
11
DoRX
DoTX
LD/fout VpRX
(LCC-20P-M05)
LE
finRX
XfinRX
GNDRX
VCCRX
PSRX
MB15F78UL
■ PIN DESCRIPTION
Pin no.
Pin name I/O
Descriptions
TSSOP
BCC
1
19
OSCIN
2
20
GND
3
1
finTX
I
Prescaler input pin for the TX-PLL.
Connection to an external VCO should be via AC coupling.
4
2
XfinTX
I
Prescaler complimentary input pin for the TX-PLL section.
This pin should be grounded via a capacitor.
5
3
GNDTX
6
4
VCCTX

Power supply voltage input pin for the TX-PLL section (except for the charge
pump circuit) , the oscillator input buffer and the shift register.
7
5
PSTX
I
Power saving mode control pin for the TX-PLL section. This pin must be set
at “L” when the power supply is started up. (Open is prohibited.)
PSTX = “H” ; Normal mode/PSTX = “L” ; Power saving mode
8
6
VpTX
 Power supply voltage input pin for the TX-PLL charge pump.
9
7
DOTX
O
Charge pump output pin for the TX-PLL section.
10
8
LD/fout
O
Lock detect signal output (LD) /phase comparator monitoring
output (fout) .The output signal is selected by LDS bit in the serial data.
LDS bit = “H” ; outputs fout signal/LDS bit = “L” ; outputs LD signal
11
9
DORX
O
Charge pump output pin for the RX-PLL section.
12
10
VpRX
 Power supply voltage input pin for the RX-PLL charge pump.
13
11
PSRX
I
Power saving mode control pin for the RX-PLL section. This pin must be set
at “L” when the power supply is started up. (Open is prohibited.)
PSRX = “H” ; Normal mode/PSRX = “L” ; Power saving mode
14
12
VCCRX

Power supply voltage input pin for the RX-PLL section (except for the charge
pump circuit)
15
13
GNDRX
16
14
XfinRX
I
Prescaler complimentary input pin for the RX-PLL section.
This pin should be grounded via a capacitor.
17
15
finRX
I
Prescaler input pin for the RX-PLL.
Connection to an external VCO should be via AC coupling.
18
16
LE
I
Load enable signal input pin (with the schmitt trigger circuit)
When LE is set “H”, data in the shift register is transferred to the
corresponding latch according to the control bit in a serial data.
I
The programmable reference divider input pin. TCXO should be connected
with an AC coupling capacitor.
 Ground pin for OSC input buffer and the shift register circuit.
 Ground pin for the TX-PLL section.
 Ground pin for the RX-PLL section
19
17
Data
I
Serial data input pin (with the schmitt trigger circuit)
Data is transferred to the corresponding latch (TX-ref. counter, TX-prog.
counter, RX-ref.counter, RX-prog.counter) according to the control bit in
a serial data.
20
18
Clock
I
Clock input pin for the 23-bit shift register (with a schmitt trigger circuit)
One bit of data is shifted into the shift register on a rising edge of the clock.
3
MB15F78UL
■ BLOCK DIAGRAM
PSTX 7
(5)
Intermittent
mode control
(TX-PLL)
3 bit latch
7 bit latch
LDS SWTX FCTX
(1)
finTX 3
XfinTX 4
(2)
Binary 7-bit
swallow counter
TX-PLL)
11 bit latch
Phase
comp.
(TX-PLL)
Binary 11-bit
programmable
counter (TX-PLL)
Prescaler
(TX-PLL)
(16/17, 32/33)
fpTX
2 bit latch
T1
T2
14 bit latch
1 bit latch
Binary 14-bit programmable ref.
counter(TX-PLL)
C/P setting
counter
Fast lock
Tuning
VCCTX GNDTX
6 (4)
5 (3)
VpTX
8 (6)
Charge Current
pump Switch 9 DoTX
(TX-PLL)
(7)
Lock Det.
(TX-PLL)
LDTX
frTX
Fast lock
Tuning
LD/fout
AND
OSCIN 1
(19)
LD
frTX
frRX
fpTX
fpRX
OR
frRX
(15)
finRX 17
XfinRX 16
(14)
Prescaler
(RX-PLL)
(32/33, 64/65)
PSRX 13
(11)
Intermittent
mode control
(RX-PLL)
LE 18
(16)
(17)
Data 19
Clock 20
(18)
T2
2 bit latch
Schmitt
circuit
Schmitt
circuit
Schmitt
circuit
C/P setting
counter
14 bit latch
1 bit latch
LDRX
fpRX
LDS SWRX FCRX
Binary 7-bit
swallow counter
(RX-PLL)
3 bit latch
7 bit latch
4
11 bit latch
Phase
comp.
(RX-PLL)
Charge
pump Current
(RX-PLL) Switch
Latch selector
C C
N N 23-bit shift register
1 2
2 (20)
GND
O : TSSOP
( ) : BCC
Binary 11-bit
programmable
counter (RX-PLL)
Lock Det.
(RX-PLL)
Fast lock
Tuning
T1
Binary 14-bit programmable ref.
counter (RF-PLL)
10 LD/
(8) fout
14 (12)
15 (13)
VCCRX
GNDRX
12 (10)
VpRX
11 DoRX
(9)
MB15F78UL
■ ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Unit
Min.
Max.
VCC
−0.5
4.0
V
Vp
VCC
4.0
V
VI
−0.5
VCC + 0.5
V
LD/fout
VO
GND
VCC
V
DoTX, DoRX
VDD
GND
Vp
V
Tstg
−55
+125
°C
Power supply voltage
Input voltage
Output voltage
Rating
Storage temperature
WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current,
temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.
■ RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Value
Unit
Remarks
3.6
V
VCCRX = VCCTX
2.7
3.6
V
GND

VCC
V
−40

+85
°C
Min.
Typ.
Max.
VCC
2.4
2.7
Vp
VCC
Input voltage
VI
Operating temperature
Ta
Power supply voltage
Note : • VCCRX, VpRX, VCCTX and VpTX must supply equal voltage.
Even if either RX-PLL or TX-PLL is not used, power must be supplied to VCCRX, VpRX, VCCTX and VpTX to
keep them equal.
It is recommended that the non-use PLL is controlled by power saving function.
• Although this device contains an anti-static element to prevent electrostatic breakdown and the circuitry
has been improved in electrostatic protection, observe the following precautions when handling the device.
• When storing and transporting the device, put it in a conductive case.
• Before handling the device, confirm the (jigs and) tools to be used have been uncharged (grounded) as
well as yourself. Use a conductive sheet on working bench.
• Before fitting the device into or removing it from the socket, turn the power supply off.
• When handling (such as transporting) the device mounted board, protect the leads with a conductive
sheet.
WARNING: The recommended operating conditions are required in order to ensure the normal operation of the
semiconductor device. All of the device’s electrical characteristics are warranted when the device is
operated within these ranges.
Always use semiconductor devices within their recommended operating condition ranges. Operation
outside these ranges may adversely affect reliability and could result in device failure.
No warranty is made with respect to uses, operating conditions, or combinations not represented on
the data sheet. Users considering application outside the listed conditions are advised to contact their
FUJITSU representatives beforehand.
5
MB15F78UL
■ ELECTRICAL CHARACTERISTICS
(VCC = 2.4 V to 3.6 V, Ta = −40 °C to +85 °C)
Parameter
Symbol
“H” level input voltage
“L” level input voltage
“H” level input voltage
“L” level input voltage
“H” level input current
“L” level input current
“H” level input current
“L” level input current
Min.
Typ.
Max.
Unit
finTX = 910 MHz
VCCTX = VpTX = 2.7 V
1.1
1.7
2.4
mA
ICCRX *1
finRX = 2500 MHz
VCCRX = VpRX = 2.7 V
1.8
2.8
3.9
mA
IPSTX
PSTX = PSRX = “L”

0.1 *2
10
µA
IPSRX
PSTX = PSRX = “L”

0.1 *2
10
µA
finTX *3
finTX
TX PLL
100

1200
MHz
RX 3
fin *
finRX
RX PLL
400

2600
MHz
OSCIN
fOSC
3

40
MHz
Power saving current
Input sensitivity
Value
ICCTX *1
Power supply current
Operating frequency
Condition

finTX
PfinTX
TX PLL, 50 Ω system
−15

+2
dBm
finRX
PfinRX
RX PLL, 50 Ω system
−15

+2
dBm
OSCIN
VOSC
0.5

VCC
VP − P
Data,
LE,
Clock
VIH
Schmitt trigger input
0.7 VCC
+ 0.4


V
VIL
Schmitt trigger input


0.3 VCC
− 0.4
V
PSTX
PSRX
VIH

0.7 VCC


V
VIL



0.3 VCC
V
IIH *4

−1.0

+1.0
µA
IIL *4

−1.0

+1.0
µA
IIH

0

+100
µA
IIL *4

−100

0
µA
VCC − 0.4


V


0.4
V
Data
LE
Clock
PSTX
PSRX
OSCIN

VOH
VCC = Vp = 2.7 V,
IOH = −1 mA
“L” level output voltage
VOL
VCC = Vp = 2.7 V, IOL = 1 mA
“H” level output voltage
VDOH
VCC = Vp = 2.7 V,
IDOH = −0.5 mA
Vp − 0.4


V
VDOL
VCC = Vp = 2.7 V,
IDOL = 0.5 mA


0.4
V
IOFF
VCC = Vp = 2.7 V
VOFF = 0.5 V to Vp − 0.5 V


2.5
nA
IOH *4
VCC = Vp = 2.7 V


−1.0
mA
IOL
VCC = Vp = 2.7 V
1.0


mA
“H” level output voltage
“L” level output voltage
High impedance
cutoff current
“H” level output current
“L” level output current
LD/fout
DoTX
DoRX
DoTX
DoRX
LD/fout
(Continued)
6
MB15F78UL
(Continued)
(VCC = 2.4 V to 3.6 V, Ta = −40 °C to +85 °C)
Parameter
“H” level output current
“L” level output current
Charge pump
current rate
Symbol
Condition
DoTX *8
DoRX
IDOH *4
DoTX *8
DoRX
IDOL
IDOL/IDOH
IDOMT *5
DOVD 6
vs VDO
I
*
vs Ta
IDOTA *7
Value
Unit
Min.
Typ.
Max.
VCC = Vp = 2.7 V, CS bit = “H”
VDOH = Vp / 2,
CS bit = “L”
Ta = +25 °C
−8.2
−6.0
−4.1
mA
−2.2
−1.5
−0.8
mA
VCC = Vp = 2.7 V, CS bit = “H”
VDOL = Vp / 2,
CS bit = “L”
Ta = +25 °C
4.1
6.0
8.2
mA
0.8
1.5
2.2
mA
VDO = Vp / 2

3

%
0.5 V ≤ VDO ≤ Vp − 0.5 V

10

%
−40 °C ≤ Ta ≤ +85 °C,
VDO = Vp / 2

5

%
*1 : Conditions ; fosc = 12.8 MHz, Ta = +25 °C, SW = “L” in locking state.
*2 : VCCTX = VpTX = VCCRX = VpRX = 2.7 V, fosc = 12.8 MHz, Ta = +25 °C, in power saving mode.
PSTX = PSRX = GND
VIH = VCC, VIL = GND (at CLK, Data, LE)
*3 : AC coupling. 1000 pF capacitor is connected under the condition of Min. operating frequency.
*4 : The symbol “–” (minus) means the direction of current flow.
*5 : VCC = Vp = 2.7 V, Ta = +25 °C (||I3| − |I4||) / [ (|I3| + |I4|) / 2] × 100 (%)
*6 : VCC = Vp = 2.7 V, Ta = +25 °C [ (||I2| − |I1||) / 2] / [ (|I1| + |I2|) / 2] × 100 (%) (Applied to both lDOL and lDOH)
*7 : VCC = Vp = 2.7 V, [||IDO (+85 °C) | − |IDO (–40 °C) || / 2] / [|IDO (+85 °C) | + |IDO (–40 °C) | / 2] × 100 (%) (Applied to both IDOL and IDOH)
*8 : When Charge pump current is measured, set LDS = “L” , T1 = “L” and T2 = “H”.
I1
I3
I2
IDOL
IDOH
I4
I2
I1
0.5
Vp/2
Vp − 0.5
Vp
Charge pump output voltage (V)
7
MB15F78UL
■ FUNCTIONAL DESCRIPTION
1. Pulse swallow function
fVCO = [ (P × N) + A] × fOSC ÷ R
fVCO : Output frequency of external voltage controlled oscillator (VCO)
P : Preset divide ratio of dual modulus prescaler (16 or 32 for TX-PLL, 32 or 64 for RX-PLL)
N : Preset divide ratio of binary 11-bit programmable counter (3 to 2,047)
A : Preset divide ratio of binary 7-bit swallow counter (0 ≤ A ≤ 127, A < N)
fOSC : Reference oscillation frequency (OSCIN input frequency)
R : Preset divide ratio of binary 14-bit programmable reference counter (3 to 16,383)
2. Serial Data Input
The serial data is entered using three pins, Data pin, Clock pin, and LE pin. Programmable dividers of TX/RXPLL sections, programmable reference dividers of TX/RX-PLL sections are controlled individually.
The serial data of binary data is entered through Data pin.
On rising edge of Clock, one bit of the serial data is transferred into the shift register. On a rising edge of load
enable signal, the data stored in the shift register is transferred to one of latches depending upon the control bit
data setting.
The programmable
reference counter
for the TX-PLL
The programmable
reference counter
for the RX-PL
The programmable
counter and the swallow
counter for the TX-PLL
The programmable
counter and the swallow
counter for the RX-PLL
CN1
0
1
0
1
CN2
0
0
1
1
(1) Shift Register Configuration
• Programmable Reference Counter
(LSB)
1
2
3
Data Flow
4
5
6
7
8
9
10 11 12 13
(MSB)
14
15
16
17
18
19 20 21 22 23
CN1 CN2 T1 T2 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 CS X
X
CS
: Charge pump current select bit
R1 to R14 : Divide ratio setting bits for the programmable reference counter (3 to 16,383)
T1, 2
: LD/fout output setting bit
CN1, 2
: Control bit
X
: Dummy bits (Set “0” or “1”)
Note : Data input with MSB first.
8
X
X
MB15F78UL
• Programmable Counter
(LSB)
1
2
Data Flow
3
4
CN1 CN2 LDS
5
SW
FC
TX/RX
TX/RX
A1 to A7
6
7
8
9
(MSB)
10 11 12 13 14 15 16 17 18 19 20 21
22
23
A1 A2 A3 A4 A5 A6 A7 N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11
: Divide ratio setting bits for the swallow counter (0 to 127)
N1 to N11 : Divide ratio setting bits for the programmable counter (3 to 2,047)
LDS
: LD/fout signal select bit
SWTX/RX
: Divide ratio setting bit for the prescaler (TX : SWTX, RX : SWRX)
FCTX/RX
: Phase control bit for the phase detector (TX : FCTX, RX : FCRX)
CN1, 2
: Control bit
Note : Data input with MSB first.
(2) Data setting
• Binary 14-bit Programmable Reference Counter Data Setting
Divide ratio
R14
R13
R12
R11
R10
R9
R8
R7
R6
R5
R4
R3
R2
R1
3
0
0
0
0
0
0
0
0
0
0
0
0
1
1
4
•
•
•
16383
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
1
•
•
•
1
0
•
•
•
1
0
•
•
•
1
Note : Divide ratio less than 3 is prohibited.
• Binary 11-bit Programmable Counter Data Setting
Divide ratio
N11
N10
N9
N8
N7
N6
N5
N4
N3
N2
N1
3
0
0
0
0
0
0
0
0
0
1
1
4
•
•
•
2047
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
1
•
•
•
1
0
•
•
•
1
0
•
•
•
1
Note : Divide ratio less than 3 is prohibited.
• Binary 7-bit Swallow Counter Data Setting
Divide ratio A7 A6 A5 A4 A3 A2 A1
0
0
0
0
0
0
0
0
1
•
•
•
127
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
0
•
•
•
1
1
•
•
•
1
9
MB15F78UL
• Prescaler Data Setting
Divide ratio
SW = “H”
SW = “L”
Prescaler divide ratio TX-PLL
16/17
32/33
Prescaler divide ratio RX-PLL
32/33
64/65
• Charge Pump Current Setting
Current value
CS
±6.0 mA
1
±1.5 mA
0
• LD/fout output Selectable Bit Setting
LD/fout pin state
LDS
T1
T2
0
0
0
0
1
0
0
1
1
frTX
1
0
0
frRX
1
1
0
fpTX
1
0
1
fpRX
1
1
1
LD output
fout
output
• Phase Comparator Phase Switching Data Setting
FC = “H”
FC = “L”
DoTX/DoRX
DoTX/DoRX
fr > fp
H
L
fr < fp
L
H
Z
Z
Phase comparator input
fr = fp
Z : High-impedance
Depending upon the VCO and LPF polarity, FC bit should be set.
High
(1) VCO polarity FC = “H”
(2) VCO polarity FC = “L”
(1)
VCO Output
Frequency
(2)
LPF Output voltage
Note : Give attention to the polarity for using active type LPF.
10
Max.
MB15F78UL
3. Power Saving Mode (Intermittent Mode Control Circut)
PSTX/PSRX pins
Status
Normal mode
H
Power saving mode
L
The intermittent mode control circuit reduces the PLL power consumption.
By setting the PS pins low, the device enters into the power saving mode, reducing the current consumption.
See the Electrical Characteristics chart for the specific value.
The phase detector output, Do, becomes high impedance.
For the dual PLL, the lock detector, LD, is as shown in the LD Output Logic table.
Setting the PS pins high, releases the power saving mode, and the device works normally.
The intermittent mode control circuit also ensures a smooth startup when the device returns to normal operation.
When the PLL is returned to normal operation, the phase comparator output signal is unpredictable. This is
because of the unknown relationship between the comparison frequency (fp) and the reference frequency (fr)
which can cause a major change in the comparator output, resulting in a VCO frequency jump and an increase
in lockup time.
To prevent a major VCO frequency jump, the intermittent mode control circuit limits the magnitude of the error
signal from the phase detector when it returns to normal operation.
Notes : • When power (VCC) is first applied, the device must be in standby mode, PSTX = PSRX = Low, for at least 1 µs.
• PS pins must be set at “L” at Power-ON
OFF
VCC
ON
tV ≥ 1 µs
Clock
Data
LE
tPS ≥ 100 ns
PSTX
PSRX
(1)
(2)
(3)
(1) PSTX = PSRX = “L” (power saving mode) at Power-ON
(2) Set serial data at least 1 µs after the power supply becomes stable (VCC ≥ 2.2 V) .
(3) Release power saving mode (PSTX, PSRX : “L” → “H”) at least 100 ns after setting serial data.
11
MB15F78UL
4. Serial data input timing
Divide ratio setting is performed through a serial interface using the Data pin, Clock pin, and LE pin.
Setting data is read into the shift register at the rise of the Clock signal, and transferred to a latch at the rise of
the LE signal. The following diagram shows the data input timing.
2nd data
1st data
Control bit
Data
MSB
Invalid data
LSB
Clock
t1
t2
t3
t6
t7
LE
t4
Parameter
Min.
Typ.
Max.
Unit
Parameter
Min.
Typ.
Max.
Unit
t1
20


ns
t5
100


ns
t2
20


ns
t6
20


ns
t3
30


ns
t7
100


ns
t4
30


ns
Note : LE should be “L” when the data is transferred into the shift register.
12
t5
MB15F78UL
■ PHASE COMPARATOR OUTPUT WAVEFORM
frTX/
frRX
fpTX/
fpRX
tWU
tWL
LD
(FC bit = High)
DoTX/
DoRX
H
Z
L
(FC bit = Low)
DoTX/
DoRX
H
Z
L
LD Output Logic Table
TX-PLL section
RX-PLL section
LD output
Locking state/Power saving state
Locking state/Power saving state
H
Locking state/Power saving state
Unlocking state
L
Unlocking state
Locking state/Power saving state
L
Unlocking state
Unlocking state
L
Notes : • Phase error detection range = −2 π to +2 π
• Pulses on DoTX/DoRX signals are output to prevent dead zone.
• LD output becomes low when phase error is tWU or more.
• LD output becomes high when phase error is tWL or less and continues to be so for three cycles
or more.
• tWU and tWL depend on OSCIN input frequency as follows.
tWU ≥ 2/fosc : e.g. tWU ≥ 156.3 ns when fosc = 12.8 MHz
tWU ≤ 4/fosc : e.g. tWL ≤ 312.5 ns when fosc = 12.8 MHz
13
MB15F78UL
■ TEST CIRCUIT (for Measuring Input Sensitivity fin/OSCIN)
fout
Oscilloscope
1000 pF
VCCTX
VpTX
0.1 µF
1000 pF
S.G.
50 Ω
0.1 µF
1000 pF
LD/
fout
DoTX
VpTX
PSTX
VCCTX
GNDTX
XfinTX
finTX
GND
OSCIN
10
9
8
7
6
5
4
3
2
1
11
12
13
14
15
16
17
18
19
20
DoRX
VpRX
PSRX
VCCRX
GNDRX
XfinRX
finRX
LE
Data
Clock
50 Ω
1000 pF
Controller
(devide ratio setting)
1000 pF
VpRX
0.1 µF
VCCRX
0.1 µF
Note : The terminal number shows that of TSSOP-20
14
50 Ω
S.G.
S.G.
MB15F78UL
■ TYPICAL CHARACTERISTICS
1. fin input sensitivity
RX-PLL input sensitivity vs. Input frequency
10
PfinRX (dBm)
0
SPEC
−10
−20
VCC = 2.4 V
VCC = 2.7 V
VCC = 3.0 V
VCC = 3.6 V
SPEC
−30
−40
−50
0
400
800
1200
1600
2000
2400
2800
3200
3600
4000
finRX (MHz)
TX-PLL input sensitivity vs. Input frequency
10
PfinTX (dBm)
0
SPEC
−10
−20
VCC = 2.4 V
VCC = 2.7 V
VCC = 3.0 V
VCC = 3.6 V
SPEC
−30
−40
−50
0
200
400
600
800
1000
1200
1400
finTX (MHz)
15
MB15F78UL
2. OSCIN input sensitivity
Input sensitivity vs. Input frequency
10
Input sensitivity VOSC (dBm)
SPEC
0
−10
−20
−30
VCC = 2.4 V
VCC = 2.7 V
VCC = 3.0 V
VCC = 3.6 V
SPEC
−40
−50
−60
0
50
100
150
200
Input frequency fOSC (MHz)
16
250
300
MB15F78UL
3. Do output current (RX PLL)
IDO − VDO
• 1.5 mA mode
Charge pump output current IDO (mA)
10.0
VCC = Vp = 2.7 V
0
−10.0
0.0
1.0
2.0
3.0
Charge pump output voltage VDO (V)
• 6.0 mA mode
IDO − VDO
Charge pump output current IDO (mA)
10.0
VCC = Vp = 2.7 V
0
−10.0
0.0
1.0
2.0
3.0
Charge pump output voltage VDO (V)
17
MB15F78UL
4. Do output current (TX PLL)
• 1.5 mA mode
IDO − VDO
Charge pump output current IDO (mA)
10.0
VCC = Vp = 2.7 V
0
−10.0
0.0
1.0
2.0
3.0
Charge pump output voltage VDO (V)
• 6.0 mA mode
IDO − VDO
Charge pump output current IDO (mA)
10.0
VCC = Vp = 2.7 V
0
−10.0
0.0
1.0
2.0
3.0
Charge pump output voltage VDO (V)
18
MB15F78UL
5. fin input impedance
finTX input impedance
4 : 9.6016 Ω
−68.832 Ω
1.9269 pF
1 200.000 000 MHz
1 : 317.09 Ω
−831.5 Ω
100 MHz
2 : 30.898 Ω
−233.42 Ω
400 MHz
3 : 13.227 Ω
−112.79 Ω
800 MHz
1
2
4
START 100.000 000 MHz
3
STOP 1 200.000 000 MHz
finRX input impedance
4 : 12.588 Ω
−3.4751 Ω
17.615 pF
2 600.000 000 MHz
1 : 43.75 Ω
−235.95 Ω
400 MHz
2 : 12.82 Ω
−88.188 Ω
1 GHz
3 : 9.7227 Ω
−25.9 Ω
2 GHz
4
1
3
2
START 400.000 000 MHz
STOP 2 600.000 000 MHz
19
MB15F78UL
6. OSCIN input impedance
OSCIN input impedance
4 : 28.844 Ω
−691.13 Ω
2.3028 pF
100.000 000 MHz
1 : 12.953 kΩ
−13.003 kΩ
3 MHz
2 : 478.13 Ω
−3.4268 kΩ
20 MHz
4
3 : 118.19 Ω
−1.7321 kΩ
40 MHz
1
32
START 3.000 000 MHz
20
STOP 100.000 000 MHz
MB15F78UL
■ REFERENCE INFORMATION
(for Look-up time, Phase noise and Reference leakage)
Test Circuit
S.G.
OSCIN
LPF
DO
fVCO = 2490 MHz
KV = 52 MHz/V
fr = 200 kHz
fOSC = 19.8 MHz
LPF
fin
Spectrum
Analyzer
VCC = 3.0 V
VVCO = 2.5 V
Ta = +25 °C
CP : 1.5 mA mode
24 kΩ
82 pF
VCO
15 kΩ
22 pF
820 pF
• PLL Reference Leakage
ATTEN 10 dB
RL 0 dBm
VAVG 39
10 dB/
∆MKR −67.50 dB
200 kHz
∗
∆MKR
D 200 kHz
S −67.50 dB
CENTER 2.490008 GHz
∗ RBW 3.0 kHz
VBW 3.0 kHz
SPAN 1.000 MHz
SWP 280 ms
• PLL Phase Noise
ATTEN 10 dB
RL 0 dBm
VAVG 48
10 dB/
∆MKR −59.33 dB
1.00 kHz
∆MKR
D 1.00 kHz
S −59.33 dB
CENTER 2.49000640 GHz
∗ RBW 100 Hz
VBW 100 Hz
SPAN 10.00 kHz
SWP 802 ms
(Continued)
21
MB15F78UL
(Continued)
• PLL Lock-up time
• PLL Lock-up time
2.49 GHz→2.55 GHz within ± 1 kHz
Lch→Hch 222 µs
2.550011500 GHz
2.490011500 GHz
2.550007500 GHz
2.490007500 GHz
2.550003500 GHz
2.490003500 GHz
−1.911 ms
T1 400 µs
22
2.55 GHz→2.49 GHz within ± 1 kHz
Hch→Lch 267 µs
3.089 ms
1.000 ms/div
T2 622 µs
8.089 ms
−1.911 ms
∆222 µs
T1 422 µs
3.089 ms
1.000 ms/div
T2 689 µs
8.089 ms
∆267 µs
MB15F78UL
■ APPLICATION EXAMPLE
VCO
OUTPUT
from controller
LPF
2.7 V
1000 pF
2.7 V
1000 pF
0.1 µF
0.1µ F
Clock
Data
LE
finRX
XfinRX
GNDRX
VCCRX
PSRX
VpRX
DoRX
20
19
18
17
16
15
14
13
12
11
MB15F78UL
1
2
3
4
5
6
7
8
9
10
OSCIN
GND
finTX
XfinTX
GNDTX
VCCTX
PSTX
VpTX
DoTX
LD/fout
Lock Det.
1000 pF
1000 pF
2.7 V
2.7 V
1000 pF
0.1 µF
0.1 µF
TCXO
OUTPUT
VCO
LPF
Notes : •Clock, Data, LE : The schmitt trigger circuit is provided (insert a pull-down or pull-up register to
prevent oscillation when open-circuit in the input) .
•The terminal number shows that of TSSOP-20.
23
MB15F78UL
■ USAGE PRECAUTIONS
(1) VCCRX, VpRX, VCCTX and VpTX must be equal voltage.
Even if either RX-PLL or TX-PLL is not used, power must be supplied to VCCRX, VpRX, VCCTX and VpTX
to keep them equal. It is recommended that the non-use PLL is controlled by power saving function.
(2) To protect against damage by electrostatic discharge, note the following handling precautions :
-Store and transport devices in conductive containers.
-Use properly grounded workstations, tools, and equipment.
-Turn off power before inserting or removing this device into or from a socket.
-Protect leads with conductive sheet, when transporting a board mounted device.
■ ORDERING INFORMATION
Part number
24
Package
MB15F78ULPFT
20-pin, plastic TSSOP
(FPT-20P-M06)
MB15F78ULPVA
20-pad, plastic BCC
(LCC-20P-M05)
Remarks
MB15F78UL
■ PACKAGE DIMENSIONS
20-pin plastic TSSOP
(FPT-20P-M06)
Note 1) * : These dimensions do not include resin protrusion.
Note 2) Pins width and pins thickness include plating thickness.
* 6.50±0.10(.256±.004)
0.17±0.05
(.007±.002)
11
20
* 4.40±0.10
6.40±0.20
(.173±.004) (.252±.008)
INDEX
Details of "A" part
1.05±0.05
(Mounting height)
(.041±.002)
LEAD No.
1
10
0.65(.026)
"A"
0.24±0.08
(.009±.003)
0.13(.005)
M
0~8°
+0.03
(0.50(.020))
0.10(.004)
C
0.45/0.75
(.018/.030)
+.001
0.07 –0.07 .003 –.003
(Stand off)
0.25(.010)
1999 FUJITSU LIMITED F20026S-2C-2
Dimensions in mm (inches)
(Continued)
25
MB15F78UL
(Continued)
20-pad plastic BCC
(LCC-20P-M05)
3.00(.118)TYP
3.60±0.10(.142±.004)
16
0.55±0.05
(.022±.002)
(Mounting height)
11
11
0.25±0.10
(.010±.004)
16
0.50(.020)
TYP
0.25±0.10
(.010±.004)
INDEX AREA
3.40±0.10
(.134±.004)
2.70(.106)
TYP
"D"
"A"
1
6
"C"
6
Details of "A" part
0.50±0.10
(.020±.004)
1
0.50(.020)
TYP
2.80(.110)REF
0.075±0.025
(.003±.001)
(Stand off)
0.05(.002)
"B"
Details of "B" part
0.50±0.10
(.020±.004)
Details of "C" part
Details of "D" part
0.30±0.10
(.012±.004)
0.50±0.10
(.020±.004)
C0.20(.008)
0.60±0.10
(.024±.004)
C
0.30±0.10
(.012±.004)
0.60±0.10
(.024±.004)
0.40±0.10
(.016±.004)
2001 FUJITSU LIMITED C20056S-c-2-1
Dimensions in mm (inches)
26
MB15F78UL
FUJITSU LIMITED
All Rights Reserved.
The contents of this document are subject to change without notice.
Customers are advised to consult with FUJITSU sales
representatives before ordering.
The information and circuit diagrams in this document are
presented as examples of semiconductor device applications, and
are not intended to be incorporated in devices for actual use. Also,
FUJITSU is unable to assume responsibility for infringement of
any patent rights or other rights of third parties arising from the use
of this information or circuit diagrams.
The products described in this document are designed, developed
and manufactured as contemplated for general use, including
without limitation, ordinary industrial use, general office use,
personal use, and household use, but are not designed, developed
and manufactured as contemplated (1) for use accompanying fatal
risks or dangers that, unless extremely high safety is secured, could
have a serious effect to the public, and could lead directly to death,
personal injury, severe physical damage or other loss (i.e., nuclear
reaction control in nuclear facility, aircraft flight control, air traffic
control, mass transport control, medical life support system, missile
launch control in weapon system), or (2) for use requiring
extremely high reliability (i.e., submersible repeater and artificial
satellite).
Please note that Fujitsu will not be liable against you and/or any
third party for any claims or damages arising in connection with
above-mentioned uses of the products.
Any semiconductor devices have an inherent chance of failure. You
must protect against injury, damage or loss from such failures by
incorporating safety design measures into your facility and
equipment such as redundancy, fire protection, and prevention of
over-current levels and other abnormal operating conditions.
If any products described in this document represent goods or
technologies subject to certain restrictions on export under the
Foreign Exchange and Foreign Trade Law of Japan, the prior
authorization by Japanese government will be required for export
of those products from Japan.
F0106
 FUJITSU LIMITED Printed in Japan