參數(shù)資料
型號(hào)： MAX2140
廠商： Maxim Integrated Products, Inc.
英文描述： Complete SDARS Receiver
中文描述： 完備的SDARS接收器
文件頁(yè)數(shù)： 5/12頁(yè)
文件大小： 162K
代理商： MAX2140
M
Complete S DARS Rec eiver
_______________________________________________________________________________________
5
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2140 EV kit, current drawn at VOUTANT, I
VOUTANT
= 150mA max, V
CC
= 3.1V to 3.6V, VINANT = 3.1V to 5.3V, f
RF
= 2320MHz
to 2345MHz, f
LO
= 2076MHz, T
A
= -40°C to +85°C. Typical values are at V
CC
= VINANT = 3.3V, f
RF
= 2338MHz, T
A
= +25°C, unless
otherwise noted.) (Note 2)
Interstage (IF) 259MHz SAW filter specification: insertion loss = 19dB max, 9.3MHz to 12MHz from center attenuation = 24dB min,
beyond 12MHz from center attenuation = 40dB min.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
(Note 9)
(Note 9)
-47
MAX
UNITS
0Hz < f
offset
< 10kHz
10kHz < f
offset
< 1MHz
1MHz < f
offset
< 10MHz
Synthesized VCO Spurs
VCOspur
dBc
XTAL Oscillator Frequency
Range
XTALrge
24
49
MHz
XTAL Oscillator Frequency Error
XTAL Oscillator Input Voltage
XTAL Oscillator Input Duty Cycle
XTALerror
XTALswing
XTALduty
Using an external XTAL (Note 8)
Using an external TCXO
Using an external TCXO
-16
0.8
47
+16
V
CC
53
ppm
V
P-P
%
50
Reference Buffer Output Voltage
REFV
Using the REFOUT pin loading specified
below (Note 4)
0.95
1.10
V
P-P
Reference Buffer Output Duty
Cycle
REFduty
Using an external XTAL, not overdriven;
bit RFD = 0, using the REFOUT pin loading
specified below
45
50
55
%
REFOUT pin frequency = 24MHz
REFOUT pin frequency = 48MHz
20
8
Maximum REFOUT Pin Loading
REFOUT_1d
pF
Note 1:
At T
A
= -40°C, minimum and maximum values are guaranteed by design and characterization.
Note 2:
Minimum and maximum values are guaranteed by design and characterization, unless otherwise noted.
Note 3:
At T
A
= +25°C, minimum and maximum values are guaranteed by design and characterization.
Note 4:
At T
A
= +25°C and T
A
= +85°C, parameters are production tested.
Note 5:
IF AGC reference level is defined as being the required voltage applied on pin AGCPWM, and the corresponding receiver
IF gain, to measure 20mV
P-P
at each I/Q differential output when the RF input power is -91dBm. If even for zero volts
applied on pin AGCPWM the I/Q differential outputs are below 20mV
P-P
when the RF input power is -91dBm, then the refer-
ence level is defined as zero volts.
Note 6:
In-band IP2 and IP3 are measured with two CW tones at RF input: f
1
= 2339.55MHz, f
2
= 2339.75MHz.
Note 7:
Out-of-band IP2 and IP3 are measured with two CW tones at RF input: f
1
= 2326.25MHz, f
2
= 2330.25MHz.
Note 8:
Error computed using a crystal with no error.
Note 9:
No spur in the offset frequency range.
TIMING CHARACTERISTICS
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SERIAL INTERFACE (Note 2)
Serial Clock Frequency
f
SCL
200
kHz
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