MAX9931 Maxim, MAX9931 Datasheet - Page 3

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MAX9931

Manufacturer Part Number
MAX9931
Description
The MAX9930–MAX9933 low-cost, low-power logarithmic amplifiers are designed to control RF power amplifiers (PA) and transimpedance amplifiers (TIA), and to detect RF power levels
Manufacturer
Maxim
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
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Manufacturer:
Maxim Integrated Products
Quantity:
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Manufacturer:
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Quantity:
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AC ELECTRICAL CHARACTERISTICS
(V
T
Note 1: All devices are 100% production tested at T
Note 2: Typical value only, set-point input voltage range determined by logarithmic slope and logarithmic intercept.
Note 3: Set-point slew rate is the rate at which the reference level voltage, applied to the inverting input of the g
Note 4: Typical min/max range for detector.
Note 5: Pin capacitance to ground.
RF Input Frequency Range
RF Input Voltage Range
(Note 4)
Equivalent Power Range
(50Ω Termination) (Note 4)
Logarithmic Slope
Logarithmic Intercept
RF INPUT INTERFACE
DC Resistance
Inband Capacitance
A
CC
= +25°C.) (Note 1)
= 3V, SHDN = 1.8V, f
a voltage step at the SET pin (see Figure 1).
PARAMETER
_______________________________________________________________________________________
RF
= 2MHz to 1.6GHz, T
2MHz to 1.6GHz 45dB RF-Detecting
SYMBOL
R
V
P
C
f
V
P
RF
DC
RF
RF
IB
S
X
MAX9930/MAX9933
MAX9931
MAX9932
MAX9930/MAX9933
MAX9931
MAX9932
f
f
f
f
f
f
T
f
f
T
f
f
Connected to V
Internally DC-coupled (Note 5)
RF
RF
RF
RF
RF
RF
RF
RF
RF
RF
A
A
A
= +25°C
= +25°C
A
= 2MHz, T
= 2MHz
= 900MHz, T
= 900MHz
= 1600MHz
= 2MHz,
= 2MHz
= 900MHz,
= 900MHz
= 1600MHz
= -40°C to +85°C, C
= +25°C and are guaranteed by design for T
Controllers and RF Detector
A
CC
CONDITIONS
= +25°C
A
MAX9930/MAX9933
MAX9931
MAX9932
MAX9930/MAX9933
MAX9931
MAX9932
MAX9930/MAX9933
MAX9931
MAX9932
MAX9930/MAX9933
MAX9931
MAX9932
MAX9930/MAX9933
MAX9931
MAX9932
= +25°C
CLPF
= 100nF, unless otherwise noted. Typical values are at
MIN
23.5
22.5
-58
-48
-43
-45
-35
-30
-61
-51
-46
-63
-53
-48
-62
-53
-49
-64
-55
-51
25
24
A
2
= -40°C to +85°C as specified.
TYP
25.5
25.5
-56
-46
-41
-56
-46
-41
-59
-50
-45
-59
-50
-45
-62
-52
-47
0.5
27
27
27
2
m
stage, responds to
MAX
1600
27.5
28.5
+10
+15
-13
-52
-42
-37
-50
-40
-35
-53
-44
-40
-51
-42
-38
+2
29
30
-3
0
UNITS
mV/dB
dBm
dBm
MHz
dBV
kΩ
pF
3

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