TEA7540
132.80 KB
Handsfree controller.
®
TEA7540
HANDSFREE CONTROLLER
NOISE/SPEECH DISCRIMINATION IN EMISSION AND RECEPTION INTEGRATED SIGNAL GAIN COMPRESSOR IN BOTH MODES PROGRAMMABLE AT.
📁 Related Datasheet
TEA7530 - MONITOR AMPLIFIER
(ST Microelectronics)
TEA7530
MONITOR AMPLIFIER
PRELIMINARY DATA
LOW VOLTAGE POWER: 100mW AT 5V ANTIDISTORTION SYSTEM FOR LOW CURRENT LINES
DESCRIPTION This 8 pins IC is .
TEA7532 - MONITOR AMPLIFIER
(ST Microelectronics)
TEA7532
MONITOR AMPLIFIER
. . . .
PROGRAMMABLE GAIN IN STEPS OF 6 dB ON/OFF POSITION LOW VOLTAGE POWER : 100 mW AT 5 V
DESCRIPTION This 16 pins IC .
TEA7034 - Low Drop Out 5V Voltage Regulator
(SGS-Thomson)
w
w
a D . w
S a t
e e h
U 4 t
m o .c
w
w
.D w
t a
S a
e h
U 4 t e
.c
m o
w
w
w
.D
a
S a t
e e h
U 4 t
m o .c
.
TEA7037 - Speech and Tone Circuit
(ST Microelectronics)
w
w
at .D w
aS
e e h
U 4 t
m o .c
w
w
w
.D
t a
S a
e h
U 4 t e
.c
m o
w
w w
at .D
h S a
t e e
4U
.
m o c
.
TEA7063 - SPEECH CIRCUIT WITH POWER MANAGEMENT
(ST Microelectronics)
TEA7063
SPEECH CIRCUIT WITH POWER MANAGEMENT
PRELIMINARY DATA
2/4 WIRES INTERFACE WITH - double antisidetone network - AC impedance externally progra.
TEA7088A - LOW-RANGE PHONE DEDICATED CHIP
(ST Microelectronics)
TEA7088A
LOW-RANGE PHONE DEDICATED CHIP
. . . . . . .
RING - GENERATION OF 8 MELODY TONES (Including the 3 German Melody Tones) - 4 STEPS DIGITAL CO.
TEA7089A - LOW-RANGE PHONE DEDICATED CHIP
(ST Microelectronics)
TEA7089A
LOW-RANGE PHONE DEDICATED CHIP
. . . . . . .
RING - GENERATION OF 8 MELODY TONES (Including the 3 German Melody Tones) - 4 STEPS DIGITAL CO.
TEA7091 - TELEPHONE ANALOG FRONT END
(ST Microelectronics)
TEA7091
TELEPHONE ANALOG FRONT END
PRODUCT PREVIEW
FEATURES: SPEECH DC LINE CURRENT RANGE FROM 6 TO 110mA Tx AND Rx GAIN EXTERNALLY ADJUSTABLE AGC IN.
