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參數(shù)資料
| 型號： | MAX2314 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Quad 2-input positive-NAND buffers with open collector outputs 14-SOIC 0 to 70 |
| 中文描述： | CDMA IF VGA及I/Q解調(diào)器，帶有VCO及合成器 |
| 文件頁數(shù)： | 4/22頁 |
| 文件大?。?/td> | 342K |
| 代理商： | MAX2314 |
M
CDMA IF VGAs and I/Q Demodulators
with VCO and Synthesizer
4
_______________________________________________________________________________________
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2310/MAX2314 or MAX2312/MAX2316 EV kit, V
CC
= +2.75V, registers set to default power-up states, f
IN
= 210.88MHz for
CDMA, f
IN
= 85.88MHz for FM, f
REF
= 19.68MHz, synthesizer locked with passive 2nd-order lead-lag loop filter,
SHDN
= high, VGC
set for +35dB voltage gain, differential output load = 10k
, all power levels referred to 50
, T
A
= +25°C, unless otherwise noted.)
120kHz offset
900kHz offset
30kHz offset
-119
-125
12.5kHz offset
1kHz offset
(Note 6)
(Note 6)
CONDITIONS
-110
30kHz offset
120kHz offset
12.5kHz offset
-105
-115
1kHz offset
-91
-100
-72
dBc
-50
Base Band Spurious due to PLL
-64
dBc/Hz
LOOUT at 85MHz,
VCO_L Enabled (Note 9)
900kHz offset
kHz
1500
Maximum Phase Detector
Comparison Frequency
kHz
20
Minimum Phase Detector
Comparison Frequency
2047
R1, R2
REF Maximum Divide Ratio
2
R1, R2
REF Minimum Divide Ratio
16383
M1, M2
VCO Maximum Divide Ratio
dBc/Hz
-125
256
M1, M2
VCO Minimum Divide Ratio
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
LOOUT at 210MHz,
VCO_H Enabled (Note 9)
Locked, CPX = 00
Locked, CPX = 01
Acquisition, CPX = XX, TC = 1
105
150
150
210
190
265
1480
2100
2650
Charge-Pump Source/Sink
Current
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
FM_IQ and FM_I modes are not available on MAX2312 and MAX2316.
Recommended operating frequency range.
f
1
= 210.88MHz, f
2
= 210.89MHz, P
f1
= P
f2
= -15dBm.
f
1
= 210.88MHz, f
2
= 210.89MHz, P
f1
= P
f2
= -50dBm.
Small-signal gain at 200kHz below the LO frequency will be reduced by less than 0.25dB when an interfering signal at
1.25MHz below the LO frequency is applied at the specified level.
Guaranteed by design and characterization.
f
1
= 85.88MHz, f
2
= 85.98MHz, P
f1
= P
f2
= -15dBm.
f
1
= 85.88MHz, f
2
= 85.98MHz, P
f1
= P
f2
= -50dBm.
Measured at LOOUT with BD = 0 (
÷
2 selected).
Note 6:
Note 7:
Note 8:
Note 9:
Locked, CPX = 10
Locked, CPX = 11
210
300
300
425
380
530
Locked, all values of CPX,
0.5V < V
CP
< V
CC
- 0.5V
%
0.2
10
Charge-Pump Source/Sink
Matching
μA
TURBO LOCK
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