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CD22859 bảng dữ liệu(PDF) 3 Page - Intersil Corporation

tên linh kiện CD22859
Giải thích chi tiết về linh kiện  Monolithic Silicon COS/MOS Dual-Tone Multifrequency Tone Generator
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nhà sản xuất  INTERSIL [Intersil Corporation]
Trang chủ  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

CD22859 bảng dữ liệu(HTML) 3 Page - Intersil Corporation

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4-128
STATIC MUTE OUTPUT CURRENT
Transmitter
1.7
1.2
-0.5
-
mA
IOH (Source)
10
9.5
-3.4
-
mA
IOL (Sink)
10
2.5
-
10
µA
Receiver
1.7
1.2
-0.5
-
mA
IOH (Source)
10
9.5
-3.4
-
mA
IOL (Sink)
10
2.5
-
10
µA
NOTES:
1. All logic and counters functional.
2. Mute switches remain open.
3. Two or more row inputs low and one column input low.
4. Two or more column inputs low and one row input low.
5. Distortion is defined as: The ratio of all extraneous frequency components generated in the voiceband 0.5kHz to 3kHz, to the power of the dual-
tone signal, measure across RL.
where V1,V2 ....Vn are extraneous frequency components in the voiceband 0.5kHz to 3kHz, VL is the low-band frequency tone, and VH is
the high-band frequency tone.
6. Tone rise time is defined as the time for each of the 2 DTMF frequencies to attain 90% of full amplitude, measured from the time when a row
and column signal are driven low.
7. Pre-emphasis is the ratio of the high-group level to the low-group level.
8. Refer to Figure 1 for standard DTMF frequencies.
9. Corresponds to normal dual-tone operation.
10. Corresponds to single-tone generation mode.
Electrical Specifications
TA = -25
oC to 60oC (Continued)
PARAMETER
VDD (V)
VO (V)
MIN
MAX
UNITS
Distortion=
V
12V22
...
V
n2
++
+
()
V
L2VH2
+
------------------------------------------------------------------- ,
CD22859


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