FX203LG 查看數據表（PDF） - CML Microsystems Plc
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FX203LG Datasheet PDF : 8 Pages
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Specification
Absolute Maximum Ratings
Exceeding the maximum rating can result in device damage. Operation of the device outside the operating limits is
not implied.
Supply voltage
-0.3 to 7.ov
Input voltage at any pin (ref V,, = OV)
-0.3 to (Voo + 0.3V)
Sink/source current (supply pins)
(other pins)
+/- 30mA
+/- 20mA
Total device dissipation @ TAMB 25°C
800mW Max.
Derating
Operating temperature range: FX203J
FX203LGILS
Storage temperature range: FX203J
FX203LGILS
Operating Limits
1 OmW/“C
-30°C to +85”C (ceramic)
-30°C to +7O”C (plastic)
-55°C to +I 25JC (ceramic)
-40°C to +85”C (plastic)
All device characteristics are measured under the following conditions unless otherwise specified:
Voo = 5.OV, TAMs = 25°C. XtaKlock f, = 4.0 MHz. Audio level OdB ref: = 775mV rms.
Characteristics
Static Values
Supply Voltage
Supply Current -
Rx on, TX and Timer Disabled
Rx on, TX Enabled, Timer Running
See Note
Min.
TVD.
Max.
Unit
4.5
5.0
5.5
V
1.25
mA
1
3.0
mA
Interface Levels
CPU Data Port (D, - D3) In/Out
8
Logic ‘1’
3.5
Logic ‘0
Output Logic ‘1’ Source Current
9
Output Logic ‘O’Sink Current
10
Three State Output Leakagesurrent
Input Port (I/P, - I/P,) & (R/W, A,,, A,,s )
Logic ‘1’
Logic ‘0
output port (O/P, - O/P,), (IRQ)
Logic ‘1’
Logic ‘0
1.5
120
360
4.0
V
1.5
V
V
1.0
V
Impedances
Input Port
output Port
Audio Input
11
Audio Switch Sl ‘ON’
11
Audio Switch Sl ‘OFF’
11
TX Tone Output (Enabled)
14
TX Tone Output (Disabled)
C&k i- 4 Output
IRQ Output (Logic ‘1’)
IRQ Output (Logic ‘0’)
1.0
MD
15.0
50.0
kR
1.0
MC
2.0
5:o
kR
10.0
MD
1.0
kR
10.0
MR
3.0
10.0
kf2
25.0
100.0
kQ
150.0
500.0
R
Encoder
Tone Output Level
Tone Frequency Accuracy ‘C
Tone Frequency Accuracy ‘E
Tone Frequency Accuracy ‘2
Tone Output Risetime
Total Harmonic Distortion
0
+l .o
dB
+4.0
Hz
E
+0.3
%
+0.3
%
2.0
ms
5.5
%
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