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參數(shù)資料
| 型號(hào)： | TRF2050PW |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 1200 MHz, PDSO20 |
| 封裝： | PLASTIC, SO-20 |
| 文件頁數(shù)： | 29/34頁 |
| 文件大?。?/td> | 543K |
| 代理商： | TRF2050PW |
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TRF2050
LOW-VOLTAGE 1.2-GHz FRACTIONAL-N/INTEGER-N SYNTHESIZER
SLWS030E– JUNE 1996 – REVISED OCTOBER 2000
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VCCP, VDD, VDDA
3.6
4.8
5.1
V
High-level input voltage, VIH (CLOCK, DATA, STROBE)
0.7
× VDD
VDD + 0.3
V
Low-level input voltage, VIL (CLOCK, DATA, STROBE)
– 0.3
0.3
× VDD
V
Operating free-air temperature, TA
–40
25
85
°C
dc electrical characteristics VDD = VDDA = VCCP = 3.6 V, over recommended operating free-air
temperature range. internal registers: CN = 128, CL = 1, CK = 3, N = 3969, NF = 1, FMOD = 8,
SM = 0, NA = 296, SA = 0, PA = 1. external components: RN = 18 k
, RF = 24 k, RA = 100 k
(unless otherwise noted)
supply current: I = IDD + ICCP + IDDA
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ISTANDBY
Total standby supply currents
EM = EA = 0 (see Notes 2 and 3)
200
A
IMAIN
Operational supply currents
EM = 1, EA = 0 (see Note 3)
7.0
mA
IAUX
Operational supply currents
EM = 0, EA = 1 (see Note 3)
1.5
mA
ITOTAL
Operational supply currents
EM = EA = 1 (see Note 3)
7.5
mA
NOTES:
2. VRN = VRA = VRF = VDDA
3. For optimum standby and operational current consumption, the following condition should be be maintained:
VDD ≤ VDDA < VDD + 1.
digital interface
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
LOCK/TEST
IOH = 2 mA
VDD – 0.5
V
VOL
Low-level output voltage
LOCK/TEST
IOL = – 2 mA
0.5
V
IIH
High-level input current
DATA CLOCK STROBE
10
A
IIL
Low-level input current
DATA, CLOCK, STROBE
10
A
charge pump currents (see Figure 1)
auxiliary charge pump
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|IPHA|
Output current PHA
VPHA = 0.5 VDDA
200
250
300
A
IPHA
|IPHA|
Relative output current variation PHA (see Figure 1)
2%
10%
IPHA
Output current matching PHA (see Figure 1)
VPHA = 0.5 VDDA
±50
A
proportional charge pump
, normal mode, VRF = VDDA
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|IPHP-NM|
Output current PHP
VPHP = 0.5 VDDA
400
500
600
A
IPHP-NM
|IPHP-NM|
Relative output current variation PHP (see Figure 1)
2%
10%
IPHP-NM
Output current matching PHP (see Figure 1)
VPHP = 0.5 VDDA
±50
A
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