MT8888CE1 Zarlink, MT8888CE1 Datasheet - Page 4

• Manufacturer Part Number: MT8888CE1
• Description: DTMF TXRX 3.58MHz CMOS 5V 20-Pin PDIP Tube
• Manufacturer: Zarlink

Specifications of MT8888CE1

• Package: 20PDIP
• Operating Frequency: 3.58 MHz
• Typical Supply Current: 7 mA
• Typical Operating Supply Voltage: 5 V
• Minimum Operating Supply Voltage: 4.75 V
• Maximum Operating Supply Voltage: 5.25 V

DIFFERENTIAL INPUT AMPLIFIER
C1 = C2 = 10 nF
R1 = R4 = R5 = 100 kΩ
R2 = 60kΩ, R3 = 37.5 kΩ
R3 = (R2R5)/(R2 + R5)
VOLTAGE GAIN
(A
INPUT IMPEDANCE
(Z
VOLTAGE GAIN
(A
V
IN
Figure 3 - Single-Ended Input Configuration
diff) = 2 R1
diff) - R5/R1
V
Figure 4 - Differential Input Configuration
C2
C1
) = R
C
F
R4
/ R
R1
IN
2
R
Zarlink Semiconductor Inc.
R3
+ (1/ωC)
IN
MT8888C
2
4
R2
R5
R
F
IN+
IN-
GS
V
IN-
IN+
GS
V
Ref
Ref
MT8888C
MT8888C
Data Sheet