TP3057A datasheet(5/17 Pages) TI

部件名	TP3057A

功能描述	MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER

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制造商	TI [Texas Instruments]

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TP3054A, TP3057A, TP13054A, TP13057A

MONOLITHIC SERIAL INTERFACE

COMBINED PCM CODEC AND FILTER

SCTS026C – SEPTEMBER 1992 – REVISED JULY 1996

5

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics at VCC = 5 V ±5%, VBB = –5 V ±5%, GND at 0 V, TA = 25°C (unless

otherwise noted)

digital interface

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

VOH

High-level output voltage

DX

IH = - 3.2 mA

2.4

V

VOL

Low level output voltage

DX

IL = 3.2 mA

0.4

V

VOL

Low-level output voltage

TSX

IL = 3.2 mA,

Drain open

0.4

V

IIH

High-level input current

VI = VIH to VCC

±10

µA

IIL

Low-level input current

All digital inputs

VI = GND to VIL

±10

µA

IOZ

Output current in high-impedance state

DX

VO = GND to VCC

±10

µA

analog interface with transmit amplifier input

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

II

Input current

VFXI + or VFXI –

VI = – 2.5 V to 2.5 V

±200

nA

ri

Input resistance

VFXI + or VFXI –

VI = – 2.5 V to 2.5 V

10

M

Ω

ro

Output resistance

Closed loop, Unity gain

1

3

Ω

Output dynamic range

GSX

RL ≥ 10 kΩ

±2.8

V

AV

Open-loop voltage amplification

VFXI + to GSX

5000

BI

Unity-gain bandwidth

GSX

1

2

MHz

VIO

Input offset voltage

VFXI + or VFXI –

±20

mV

CMRR

Common-mode rejection ratio

60

dB

KSVR

Supply-voltage rejection ratio

60

dB

† All typical values are at VCC = 5 V, VBB = –5 V, and TA = 25°C.

analog interface with receive filter

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

Output resistance

VFRO

1

3

Ω

Load resistance

VFRO =

±2.5 V

600

Ω

Load capacitance

VFRO to GND

500

pF

Output dc offset voltage

VFRO to GND

±200

mV

† All typical values are at VCC = 5 V, VBB = –5 V, and TA = 25°C.

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