75T204 데이터 시트보기 (PDF) - TDK Corporation
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75T204 Datasheet PDF : 9 Pages
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75T204
5V Low-Power Subscriber
DTMF Receiver
ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
(Operation above absolute maximum ratings may damage the device. All 75T204 unused inputs must be
connected to VP or GND, as appropriate.)
PARAMETER
DC Supply Voltage - VP
Operating Temperature
Storage Temperature
Power Dissipation (25°C)
Input Voltage (All inputs except ANALOG IN)
ANALOG IN Voltage
DC Current into any Input
Lead Temperature - Soldering, 10 sec.
RATING
+7V
-40°C to +85°C Ambient
-65°C to +150°C
65mW
(VP + 0.5V) to -0.5V
(VP + .5V) to (V P - 10V)
±1.0mA
300°C
ELECTRICAL CHARACTERISTICS
(-40°C ² TA ² +85°C, V P = 5V ± 10%)
PARAMETER
Frequency Detect Bandwidth
Amplitude for Detection
CONDITIONS
each tone
Twist Tolerance
Twist= High Tone
Low Tone
60-Hz Tolerance
Dial Tone Tolerance
“precise” dial tone
Talk Off
MITEL tape #CM 7290
Digital Outputs
“0” level, 400µA load
(except XOUT)
“1” level, 200µA load
Digital Inputs
“0” level
“1” level
Power Supply Noise
wide band
Supply Current
TA = 25°C
Noise Tolerance
MITEL tape #CM 7290
Input Impedance
VP³V IN³V P-10
* dB referenced to lowest amplitude tone
MIN
±(1.5+2Hz)
-32
-10
TYP
±2.3
2
0
VP-0.5
0
0.7V P
10
100K Ω ||15pF
MAX
±3.5
-2
+10
UNITS
% of fO
dBm ref.
to 600Ω
dB
0.8
0dB
0.5
VP
0.3V P
VP
10
16
-12
Vrms
dB*
hits
V
V
V
V
mV p-p
mA
dB*
7
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