參數(shù)資料
型號(hào)： TLC2932AIPWR
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： PLL合成/DDS/VCOs
英文描述： PHASE LOCKED LOOP, 38 MHz, PDSO14
封裝： GREEN, PLASTIC, TSSOP-14
文件頁(yè)數(shù)： 22/23頁(yè)
文件大?。?/td> 531K
代理商： TLC2932AIPWR
TLC2932A
HIGH PERFORMANCE PHASE LOCKED LOOP
SLES150 OCTOBER 2005
8
TI.COM
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
operation characteristics, VDD = 3.3 V, TA = 25°C (unless otherwise noted) (continued)
PFD section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fmax
Maximum operation frequency
22
MHz
tPLZ
PFD output disable time from low level
21
50
ns
tPHZ
PFD output disable time from high level
21
50
ns
tPZL
PFD output enable time to low level
5.8
30
ns
tPZH
PFD output enable time to high level
6.2
30
ns
tr
Rise time
CL = 15 pF
3
10
ns
tf
Fall time
CL = 15 pF
1.7
10
ns
electrical characteristics, VDD = 5 V, TA = 25°C (unless otherwise noted)
VCO section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High level output voltage
IOH = –2 mA
4
V
VOL
Low level output voltage
IOL = 2 mA
0.5
V
VTH
Input threshold voltage at select, VCO
inhibit
1.5
2.5
3.5
V
II
Input current at Select, VCO inhibit
VI = VDD or GND
±1
A
ZI(VCOIN)
VCO IN input impedance
VCO IN = 1/2 VDD
10
M(
IDD(inh)
VCO supply current (inhibit)
See Note 16
0.56
1
A
IDD(vco)
VCO supply current
See Note 17
28
50
mA
NOTES: 16. Current into VCO VDD, when VCO INHIBIT = high, PFD is inhibited.
17. Current into VCO VDD, when VCO IN = 1/2 VDD, RBIAS = 3.3 k, VCOOUT = 15pF Load, VCO INHIBIT = GND, and PFD INHIBIT
= GND.
PFD section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High level output voltage
IOH = –2 mA
4.5
V
VOL
Low level output voltage
IOL = 2 mA
0.2
V
IOZ
High impedance state output current
PFD inhibit = high, Vo = VDD or
GND
±1
A
VIH
High level input voltage at FinA, FinB
4.5
V
VIL
Low level input voltage at FinA, FinB
1
V
VTH
Input threshold voltage at PFD inhibit
1.5
2.5
3.5
CIN
Input capacitance at FinA, FinB
5.6
pF
ZIN
Input impedance at FinA, FinB
10
M
IDD(Z)
High impedance state PFD supply current
See Note 18
1
A
IDD(PFD)
PFD supply current
See Note 19
0.5
3
mA
NOTES: 18. The current into LOGIC VDD when FINA and FINB = ground, PFD INHIBIT = VDD, PFD OUT open, and VCO OUT is inhibited.
19. The current into LOGIC VDD when FINA = 1 MHz and FINB = 1 MHz (VI(PP) = 5 V, rectangular wave), PFD INHIBIT = GND, PFD
OUT open, and VCO OUT is inhibited
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