Datasheet > AFE1203E1KG4

AFE1203E1KG4

更新时间： 2024-02-22 02:33:58

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
15页	880K
描述
2Mbps, Single Pair HDSL ANALOG FRONT END

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AFE1203E1KG4 数据手册

SPECIFICATIONS

Typical at 25°C, AV_DD= +5V, DV_DD= +3.3V, f_tx= 1168kHz (E1 single pair rate) and Normal Power mode, unless otherwise specified.

AFE1203E

PARAMETER

COMMENTS

MIN

TYP

MAX

UNITS

RECEIVE CHANNEL

Number of Inputs

Input Voltage Range

Common-Mode Voltage

Input Impedance

Input Capacitance

Input Gain Matching

Resolution

Differential

Balanced Differential⁽¹⁾

1.5V CMV Recommended

All Inputs

±3.0

+1.5

See Typical Performance Curves

±2

Bits

Line Input vs Hybrid Input

Programmable Gain

Settling Time

Four Gains: 0dB, 3.25dB, 6dB, and 9dB

Gain, rxSYNC, or Power Mode Change⁽⁸⁾

Symbol

Periods

%FSR⁽²⁾

Gain + Offset Error

Output Data Coding

Data Rate

Tested at Each Gain Range

Binary Two’s Complement

Normal Power

Medium Power

Low Power

Normal Power, rxSYNC⁽³⁾

384

192

160

196

2320

1168

320

kbps

kHz

Output Word Rate

1168

TRANSMIT CHANNEL

Transmit Clock Rate, f_TX

Symbol Rate, Normal Power

Symbol Rate, Medium Power

Symbol Rate, Low Power

2320kbps

196

1168

584

160

kHz

dBm

Transmit –3dB Point

485

292

196

13.5

1168kbps

784kbps

Transmit Power⁽⁴⁾

Pulse Output

See Typical Performance Curves

Common-Mode Voltage, V_CM

Output Resistance⁽⁵⁾

AV_DD/2

Ω

DC to 1MHz

TRANSCEIVER PERFORMANCE

Uncancelled Echo⁽⁶⁾

rxGAIN = 0dB, Loopback Enabled

rxGAIN = 0dB, Loopback Disabled

rxGAIN = 3.25dB, Loopback Disabled

rxGAIN = 6dB, Loopback Disabled

rxGAIN = 9dB, Loopback Disabled

–67

–69

–71

–73

DIGITAL INTERFACE⁽⁵⁾

Logic Levels

V_IH

V_IL

V_OH

V_OL

|I_IH| < 10µA

|I_IL| < 10µA

I_OH= –20µA

I_OL= 20µA

DV_DD– 1

–0.3

DV_DD– 0.5

DV_DD+ 0.3

+0.8

+0.4

POWER

Analog Power Supply Voltage

Specification

Operating Range

Specification

Operating Range

Normal Power

4.75

3.15

5.25

Digital Power Supply Voltage

Power Dissipation^{(4, 7)}

3.3

385

300

240

415

Medium Power

Low Power

Normal Power, DV_DD= 5V

Power Dissipation⁽⁷⁾

PSRR

TEMPERATURE RANGE

Operating⁽⁵⁾

–40

+85

°C

NOTES: (1) With a balanced differential signal, the positive input is 180° out of phase with the negative input, therefore the actual voltage swing about the common

mode voltage on each pin is ±1.5V to achieve a differential input range of ±3.0V or 6Vp-p. (2) FSR is Full-Scale Range. (3) The output data is available at twice the

symbol rate with interpolated values. (4) With a pseudo-random equiprobable sequence of HDSL pulses; 13.5dBm applied to the transformer (27dBm output from

txLINE_Pand txLINE_N). (5) Guaranteed by design and characterization. (6) Uncancelled Echo is a measure of the total analog errors in the transmitter and receiver

sections including the effect of non-linearity and noise. See the Discussion of Specifications section of this data sheet for more information. (7) Power dissipation

includes only the power dissipated within the component and does not include power dissipated in the external loads. The AFE1203 is tested with a 1:2 line

transformer. (8) This is the settling time required for any gain change, change of rxSYNC or any change of power mode.

AFE1203

123 4 5 6 7...15

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