TLC2932 Datasheet, PDF (7/24 Pages) Texas Instruments – HIGH-PERFORMANCE PHASE-LOCKED LOOP

TLC2932
HIGH-PERFORMANCE PHASE-LOCKED LOOP
SLAS097E – SEPTEMBER 1994 – REVISED MAY 1997
electrical characteristics over recommended operating free-air temperature range, V_DD = 5 V
(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
VIT
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 µA
Zi(VCO _IN) Input impedance
VCO IN = 1/2 VDD
10
MΩ
IDD(INH) VCO supply current (inhibit)
See Note 4
0.01
1 µA
IDD(VCO) VCO supply current
See Note 5
15
35 mA
NOTES: 4. Current into VCO VDD, when VCO INHIBIT = VDD, and PFD is inhibited.
5. Current into VCO VDD, when VCO IN = 1/2 VDD, RBIAS = 3.3 kΩ, VCO INHIBIT = GND, and PFD is inhibited.
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,
VI = VDD or GND
± 1 µA
VIH
High-level input voltage at FIN–A, FIN–B
4.5
V
VIL
Low-level input voltage at FIN–A, FIN–B
1V
VIT
Input threshold voltage at PFD INHIBIT
1.5 2.5 3.5 V
Ci
Input capacitance at FIN–A, FIN–B
5
pF
Zi
Input impedance at FIN–A, FIN–B
10
MΩ
IDD(Z)
High-impedance-state PFD supply current
See Note 6
0.01
1 µA
IDD(PFD) PFD supply current
See Note 7
0.15
3 mA
NOTES: 6. Current into LOGIC VDD, when FIN–A, FIN–B = GND, PFD INHIBIT = VDD, no load, and VCO OUT is inhibited.
7. Current into LOGIC VDD, when FIN–A, FIN–B = 1 MHz (VI(PP) = 5 V, rectangular wave), PFD INHIBIT = GND, no load, and
VCO OUT is inhibited.
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