Features: Low DC line voltage; operates down to 1.6 V (excluding voltage drop over external polarity guard) Voltage regulator with adjustable DC voltage Provides a supply for external circuits Symmetrical high impedance inputs (64 k) for dynamic, magnetic or piezo-electric microphones Asymmetrica...
TEA1110A: Features: Low DC line voltage; operates down to 1.6 V (excluding voltage drop over external polarity guard) Voltage regulator with adjustable DC voltage Provides a supply for external circuits Symm...
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SYMBOL | PARAMETER | CONDITIONS | MIN. | MAX. | UNIT |
VLN | positive continuous line voltage | VEE - 0.4 | +12 | V | |
repetitive line voltage during switch-on or line interruption | VEE - 0.4 | +13.2 | V | ||
Vn(max) | maximum voltage on all pins | VEE - 0.4 | Vcc + 0.4 | V | |
Iline | maximum line current |
RSLPE= 20 ; see Figs 10 and 11 |
- | 140 |
mA |
Ptot |
total power dissipation TEA1110A TEA1110AT |
Tamb = 75 °C; see Figs 10 and 11 |
- - |
588 384 |
mW mW |
Tstg | IC storage temperature | -40 | +125 | °C | |
Tamb | operating ambient temperature | -25 | +75 | °C |
The TEA1110A is a bipolar integrated circuit that performs all speech and line interface functions required in fully electronic telephone sets. It performs electronic switching between speech and dialling. The IC operates at a line voltage down to 1.6 V DC (with reduced performance) to facilitate the use of telephone sets connected in parallel.All statements and values refer to all versions unless otherwise specified.