XR2211 Exar Corporation, XR2211 Datasheet - Page 3
XR2211
Manufacturer Part Number
XR2211
Description
FSK Demodulator/ Tone Decoder
Manufacturer
Exar Corporation
Datasheet
1.XR2211.pdf
(24 pages)
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PIN CONFIGURATION
PIN DESCRIPTION
Pin #
10
11
12
13
14
1
2
3
4
5
6
7
8
9
Rev. 3.01
Symbol
LDOQN
COMP I
TIM C2
TIM C1
LDOQ
TIM R
GND
V
LDO
LDF
V
INP
DO
NC
REF
CC
LDOQN
14 Lead CDIP, PDIP (0.300”)
LDOQ
GND
LDF
V
INP
DO
CC
Type
O
O
O
O
O
O
I
I
I
I
I
1
2
3
4
5
6
7
Description
Positive Power Supply.
Receive Analog Input.
Lock Detect Filter.
Ground Pin.
Lock Detect Output Not. This output will be low if the VCO is in the capture range.
Lock Detect Output. This output will be high if the VCO is in the capture range.
Data Output. Decoded FSK output.
FSK Comparator Input.
Not Connected.
Internal Voltage Reference. The value of V
Loop Detect Output. This output provides the result of the quadrature phase detection.
Timing Resistor Input. This pin connects to the timing resistor of the VCO.
Timing Capacitor Input. The timing capacitor connects between this pin and pin 14.
Timing Capacitor Input. The timing capacitor connects between this pin and pin 13.
14
13
12
11
10
9
8
COMP I
NC
TIM C1
TIM C2
TIM R
LDO
V
REF
3
LDOQN
14 Lead SOIC (Jedec, 0.150”)
REF
LDOQ
GND
LDF
V
INP
DO
CC
is V
CC
/2 - 650mV.
1
2
3
4
5
6
7
14
13
12
10
11
9
8
XR-2211
NC
COMP I
TIM C1
TIM C2
TIM R
LDO
V
REF