TSH511CF STMicroelectronics, TSH511CF Datasheet - Page 4

• Manufacturer Part Number: TSH511CF
• Description: IC RECEIVER DUAL FM 44-TQFP
• Manufacturer: STMicroelectronics

Specifications of TSH511CF

• Frequency: 2.3MHz and 2.8MHz
• Sensitivity: -95dBm
• Modulation Or Protocol: FM
• Applications: Infrared Headsets, Infrared Hi-Fi Stereo Transmitters
• Current - Receiving: 15mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• For Use With: 497-8516 - BLANK PCB W/ BOM FOR TSH511/12
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Data Rate - Maximum: -
• Other names: 497-2322

Block diagram
Table 1.
1. Pin direction: I = input pin, O = output pin, - = pin to connect to supply or decoupling capacitors or external components.
4/25
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
AMP-IN1
DEC-LNA
AMP-OUT1
GND
LIM-IN1
DEC-LIM1A
LIM-OUT1
DEC-LIM1B
MIX-IN1
VCC
MIX-OUT1
GND
BUF-IN1
MUTE-IN
MUTE-INT
MUTE-OUT
BUF-OUT1
GND
DEC-OUT
VCC
BUF-OUT2
SBY2
SBY1
GND
BUF-IN2
GND
MIX-OUT2
VCC
MIX-IN2
DEC-LIM2A
LIM-OUT2
DEC-LIM2B
LIM-IN2
GND
AMP-OUT2
Pin descriptions
Pin name
Related to
RX1 & RX2
RX1 & RX2
RX1 & RX2
RX1 & RX2
RX1 & RX2
RX1 & RX2
RX1 & RX2
RX1
RX1
RX1
RX1
RX1
RX1
RX1
RX1
RX1
RX1
RX2
RX2
RX2
RX2
RX2
RX2
RX2
RX2
RX2
-
-
-
-
-
-
-
-
-
Direction
O
O
O
O
O
O
O
O
O
I
-
-
I
-
-
I
-
-
I
I
-
-
-
-
I
I
-
I
-
-
I
-
-
I
-
(1)
Intermediate amplifier input
Decoupling capacitor
Intermediate amplifier input
GROUND
Limiter input
Decoupling capacitor
Limiter output
Decoupling capacitor
Mixer input
SUPPLY VOLTAGE
Mixer output (demodulated audio signal)
GROUND
Audio buffer input
Noise amplifier input (Squelch circuit)
Capacitor connection of the noise rectifier
Capacitor connection (ramp generator to mute the audio)
Audio buffer output
GROUND
Decoupling capacitor of Audio buffers
SUPPLY VOLTAGE
Audio buffer output
Standby 2
Standby 1
GROUND
Audio buffer input
GROUND
Mixer output
SUPPLY VOLTAGE
Mixer input
Decoupling capacitor
Limiter output
Decoupling capacitor
Limiter input
GROUND
Intermediate amplifier output
Pin description
TSH511