STLC1511 查看數據表（PDF） - STMicroelectronics
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STLC1511 Datasheet PDF : 31 Pages
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STLC1511
Table 2. Receive Path Specifications
Unless otherwise noted, typical specifications apply for VCC=5.0Volts, temperature=27×C, nominal process and
current. Maximum and minimum performance is with VCC±±5%, -40=<Tjunction=<105×C, and worst case process.
Description
min
typ
max
Units
Comments
1st Stage Absolute Gain1 2
Diff in to Diff out 3
D = 00
D = 01
0
20
Single ended in to Diff out 3
6
D = 10
26
D = 11
Where “D” is the binary
value in b[7:6] of the
dB control word.
Includes Vcc,
temperature, process,
dB and frequency variation.
2nd Stage Absolute Gain1 2
Diff in to Diff out 4
0 =< D =< 40
D > 40
(0.5 · D) - 1.8 (0.5 · D)
18.2
20
(0.5 · D) + 0.8 dB
20.8
Where “D” is the binary
value in b[5:0] of the
control word.
Includes Vcc,
temperature, process,
and frequency variation.
Relative Gain Accuracy5
(relative to ideal gain of 0.5dB per -0.4
LSB change.)
+0.4
For more than a 1LSB
change in the control
dB word.
Assumes a fixed Vcc,
temperature, and
frequency.
Gain Variation with Temperature6 -0.3
+0.3
dB For a fixed Vcc and
frequency f (30kHz =< f
=< 540kHz) relative to
27oC.
Gain Variation with Supply
-0.1
Voltage7
+0.1
dB For a fixed frequency f.
(30kHz =< f =< 540kHz)
and fixed temperature
relative to Vcc=5.0V.
Gain Variation with Frequency8
30kHz =< f =< 120kHz
155kHz =< f =< 540kHz
-1.0
-1.0
For a fixed Vcc and
temperature.
0
dB relative to 30kHz
0
relative to 155kHz
Gain Step Size
For all steps except step 19.5 to 0.4
0.5
0.6
dB For a 1 LSB change in
20dB (differential) or step 25.5 to
the control word at a
26dB (single ended)
fixed frequency f. (30kHz
=< f =< 540kHz)
For step 19.5 to 20dB
0.3
0.5
0.7
dB
(differential) or step 25.5 to 26dB
(single ended)
6/31
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