http://www.datasheet4u.com

900,000+ Datasheet PDF Search and Download

Datasheet4U offers most rated semiconductors datasheets pdf





California Micro Devices
California Micro Devices

CM8870C Datasheet Preview

CM8870C Datasheet

CMOS Integrated DTMF Receiver

No Preview Available !

CM8870C pdf
CALIFORNIA MICRO DEVICES
CM8870/70C
CMOS Integrated DTMF Receiver
Features
• Full DTMF receiver
• Less than 35mW power consumption
• Industrial temperature range
• Uses quartz crystal or ceramic resonators
• Adjustable acquisition and release times
• 18-pin DIP, 18-pin DIP EIAJ, 18-pin SOIC, 20-pin
PLCC
CM8870C
— Power down mode
— Inhibit mode
— Buffered OSC3 output (PLCC package only)
• CM8870C is fully compatible with CM8870 for 18-pin
devices by grounding pins 5 and 6
Applications
• PABX
• Central office
• Mobile radio
• Remote control
• Remote data entry
• Call limiting
• Telephone answering systems
• Paging systems
Product Description
The CAMD CM8870/70C provides full DTMF receiver capability by integrating both the bandsplit filter and digital
decoder functions into a single 18-pin DIP, SOIC, or 20-pin PLCC package. The CM8870/70C is manufactured using
state-of-the-art CMOS process technology for low power consumption (35mW, max.) and precise data handling. The
filter section uses a switched capacitor technique for both high and low group filters and dial tone rejection. The
CM8870/70C decoder uses digital counting techniques for the detection and decoding of all 16 DTMF tone pairs into a
4-bit code. This DTMF receiver minimizes external component count by providing an on-chip differential input ampli-
fier, clock generator, and a latched three-state interface bus. The on-chip clock generator requires only a low cost TV
crystal or ceramic resonator as an external component.
© 2000 California Micro Devices Corp. All rights reserved.
9/28/2000 215 Topaz Street, Milpitas, California 95035
Tel: (408) 263-3214
Fax: (408) 263-7846
+##'
www.calmicro.com
1



California Micro Devices
California Micro Devices

CM8870C Datasheet Preview

CM8870C Datasheet

CMOS Integrated DTMF Receiver

No Preview Available !

CM8870C pdf
CALIFORNIA MICRO DEVICES
CM8870/70C
Absolute Maximum Ratings: (Note 1)
Parameter
ABSOLUTE MAXIMUM RATINGS
Symbol
Value
Power Supply Voltage (VDD-
VSS)
Voltage on any Pin
Current on any Pin
Operating Temperature
Storage Temperature
VDD
Vdc
ID D
TA
TS
6.0V Max
VSS-0.3V to VDD+0.3V
10mA Max
-40°C to +85°C
-65°C to +150°C
This device contains input protection
against damage due to high static
voltages or electric fields; however,
precautions should be taken to avoid
application of voltages higher than the
maximum rating.
Notes:
1. Exceeding these ratings may cause
permanent damage, functional
operation under these conditions is
not implied.
DC Characteristics: All voltages referenced to VSS, VDD = 5.0V ± 5%, TA = -40°C to +85°C unless otherwise noted.
Parameter
DC CHARACTERISTICS
Symbol Min
Typ
Max
Units
Test Conditions
Operating Supply Voltage
V DD 4.75
5.25 V
Operating Supply Current
I DD
3.0 7.0 mA
Standby Supply Current
I DDQ
25 µA
Power Consumption
PO
15 35 mW
Low Level Input Voltage
V IL
1.5 V
High Level Input Voltage
V IH 3.5
V
Input Leakage Current
I IH/ L IL
0.1
µA
Pull Up (Source) Current on TOE
I so
6.5 20 µA
Input Impedance, (IN+, IN-)
RIN 8
10
M
Steering Threshold Voltage
V Tst 2.2
2.5 V
Low Level Output Voltage
V OL
0.03 V
High Level Output Voltage
V OH 4.97
V
Output Low (Sink) Current
I OL 1.0 2.5
mA
Output High (Source) Current
I OH 0.4
0.8
mA
Output Voltage
Output Resistance
VREF
V REF
R OR
2.4
10
2.7 V
ΚΩ
PD=VDD
f=3.579 MHz; VDD=5.0V
VDD=5.0V
VDD=5.0V
VIN = VSS = VDD (Note 1)
TOE=0V, VDD=5.0V
@ 1KHz
VDD = 5.0V
VDD = 5.0V, No Load
VDD = 5.0V, No Load
VOUT = 0.4V
VOUT = 4.6V
VDD = 5.0V, No Load
Operating Characteristics: All voltages referenced to VSS, VDD = 5.0V ± 5%, TA = -40°C to +85°C unless otherwise noted.
Gain Setting Amplifier
Parameter
Input Leakage Current
Input Resistance
Input Offset Voltage
Power Supply Rejection
Common Mode Rejection
DC Open Loop Voltage Gain
Open Loop Unity Gain Bandwidth
Output Voltage Swing
Maximum Capacitive Load (GS)
Maximum Resistive Load (GS)
Common Mode Range (No Load)
OPERATING CHARACTERISTICS
Symbol
Min
Typ
Max
Units
IIN
RIN
V OS
PSRR
10
50
±100
±25
nA
M
mV
dB
CMRR
40
dB
AVOL
fc
32
0.3
dB
MHz
VO
CL
RL
Vcm
4.0
2.5
VP-P
100 pF
50 K
VP-P
Test Conditions
VSS < VIN < VDD
1KHz (Note 12)
-3.0V < VIN < 3.0V
RL 100KW to VSS
No Load
©2000 California Micro Devices Corp. All rights reserved.
2 215 Topaz Street, Milpitas, California 95035
Tel: (408) 263-3214
Fax: (408) 263-7846
www.calmicro.com 9/28/2000


Part Number CM8870C
Description CMOS Integrated DTMF Receiver
Maker California Micro Devices
Total Page 8 Pages
PDF Download
CM8870C pdf
Download PDF File


Buy Electronic Components




Related Datasheet

1 CM8870 CMOS Integrated DTMF Receiver California Micro Devices Corp
California Micro Devices Corp
CM8870 pdf
2 CM8870C CMOS Integrated DTMF Receiver California Micro Devices
California Micro Devices
CM8870C pdf
3 CM8870CPI CMOS Integrated DTMF Receiver California Micro Devices Corp
California Micro Devices Corp
CM8870CPI pdf
4 CM8870CSI CMOS Integrated DTMF Receiver California Micro Devices Corp
California Micro Devices Corp
CM8870CSI pdf
5 CM8870PI CMOS Integrated DTMF Receiver California Micro Devices Corp
California Micro Devices Corp
CM8870PI pdf






Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

site map

webmaste! click here

contact us

Buy Components