TSH511CF STMicroelectronics, TSH511CF Datasheet - Page 7

• 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

TSH511
Table 4.
Limiter (LIM) section
FM demodulator section
Squelch section
Audio buffers
I
Z
Z
mute_source
V
P
P
I
Symbol
Z
mute_sink
AMP_OUT
BW
DEM_OUT
V
THD
Z
BW
Z
LIM_OUT
V
OUT_OD
1dBAMP
V
Z
AMP_IN
G
LIM_IN
N_HYS
ATT
OD-IN
N_TH
DEM
N_IN
LIM
AMP
1dB
OD
Input impedance defined as
R
Output impedance
1dB compression point
-3dB AMP bandwidth
Voltage gain
Input impedance defined as
R
Output voltage
Output voltage
Output impedance
Audio attenuation on each receiver
when audio buffers are muted.
Noise amplifier input impedance
Comparator threshold
Comparator hysteresis
Current sinks on pin 25 to discharge
C
controlling the attenuation from ON
to OFF states of audio buffers.
Current sources on pin 25 to charge
C
controlling the attenuation from OFF
to ON states of audio buffers.
Input impedance
-1dB bandwidth
Output power
Distortion in line driver mode
V
(unless otherwise specified) (continued)
AMP_IN
LIM_IN
mute
mute
CC
= 2.7V, T
capacitor: ramp generator
capacitor: ramp generator
in parallel with C
in parallel with C
Parameter
amb
= 25°C, f
LIM_IN
AMP_IN
audio
= 1kHz, f
R
C
Z
Z
f
Z
Z
R
C
Z
+-75kHz FM deviation
typical application
schematic, Z
RX1 and RX2 audio buffers
muted, Z
audio buffers
from muted to unmuted
state
R
R
Voltage on pin 25 = 1.7V
Voltage on pin 25 = 1.7V
Z
Z
V
carrier
L
L
L
L
L
L
L
out
AMP_IN
AMP_IN
LIM_IN
LIM_IN
mute
mute
= 15kΩ tied to GND
= 16Ω, V
= 2kΩ
= 2kΩ
= 2kΩ
= 15kΩ tied to GND
= 16Ω
= 0.5 V
= 2.8MHz
Test conditions
= 22kΩ , f
= 22kΩ, f
carrier
L
= 16Ω on both
OD_IN
RMS,
L
= 4kΩ
= 2.8MHz, frequency deviation = +/-75kHz
IN
IN
Z
=70mV
= 100kHz
L
= 100kHz
= 10kΩ
RMS
Min
700
50
55
15
Electrical characteristics
Typ
350
560
250
170
800
100
200
0.2
10
11
54
15
65
24
14
35
20
2
2
2
9
1
Max
900
0.3
60
mV
mV
mV
mV
mV
MHz
Unit
mW
kHz
dB
dB
µA
µA
kΩ
pF
kΩ
pF
kΩ
kΩ
%
Ω
Ω
RMS
RMS
RMS
RMS
7/25
pp