3.3 V LAN Chips
from Silicon Labs
Features. Constant current loop feed (20 –41 mA). Ring trip/loop closure thresholds and filtering. Two-wire ac impedance and transhybrid. DTMF generation and decoding. Polarity reversal. FSK (caller ID) tone generation. 12 and 16 kHz pulse metering. Configurable PCM/SPI digital interface. [See More]
- Supply Voltage: 3.3V
- Interface: SLIC
- Device Type: Powerline Networking; Telephony Interface
- Package Type: TQFP
from Silicon Labs
Features. Dual-mode wideband (50 Hz to 7.0 kHz) / narrowband (200 Hz to 3.4 kHz) audio codec with 16-bit, 16 kHz sampling for high fidelity audio. Adaptive battery voltage generation minimizes power in all operating modes. Entire solution can be powered from a single 3.3 or 5 V supply. Five REN... [See More]
- Supply Voltage: 3.3V
- Interface: SLIC
- Device Type: Powerline Networking; Telephony Interface
- Package Type: TQFP
from Silicon Labs
Features. Software programmable parameters for global compliance with one hardware design: Constant current loop feed (18 –45 mA). Two-wire ac impedance. Transhybrid balance. Ringing frequency, amplitude, cadence. Loop closure and ring trip thresholds. Ground key detection threshold. Low... [See More]
- Supply Voltage: 3.3V
- Interface: SLIC
- Device Type: Powerline Networking; Telephony Interface
- Package Type: TQFP
from Silicon Labs
Features. Internal balanced or unbalanced ringing. Low power consumption. Software-programmable parameters: Ringing frequency, amplitude, cadence and waveshape. Two-wire ac impedance. Transhybrid balance. Dc current loop feed (10 –45 mA). Loop closure and ring trip thresholds. Ground key... [See More]
- Supply Voltage: 3.3V
- Interface: SLIC
- Device Type: Powerline Networking; Telephony Interface
- Package Type: TQFP
from Silicon Labs
Features. Performs all battery, overvoltage, ringing, supervision, coding, hybrid and test (BORSCHT) functions. Internal balanced ringing to 150 VPK. External bulk ringer support. Low standby power consumption: <20 mW per channel. 2.5 Vrms pulse metering. Software programmable parameters: Ringing... [See More]
- Supply Voltage: 3.3V
- Interface: SLIC
- Device Type: Powerline Networking; Telephony Interface
- Package Type: TQFP
from Silicon Labs
Features. 84 dB dynamic range A/D and D/A converter with 16-bit resolution. Microphone input; programmable gain of 0, +10, +20, +30 dB. Line level input (1 V RMS). 3:1 analog input mixer. Integrated handset hybrid. Digital input/output gain; programmable range of +12.5 to –34.5 dB. Line level... [See More]
- Supply Voltage: 3.3V; 5V
- Package Type: SOIC
- Device Type: Voice / Modem Solution
- Pins: 16