TM7708 datasheet(6/46 Pages) TITAN

6 / 46 page

Titan Micro Electronics

V1.1

www.titanmec.com

-6-

24 bit 模数转换器 TM7707/8

Gain=8

128

130

dB typ

Normal-Mode50Hz

Rejection2

dB typ

For Filter Notches of

25Hz,50Hz,±0.02×fNOTCH

Normal-Mode60Hz

Rejection2

dB typ

For Filter Notches of

20Hz,60Hz,±0.02×fNOTCH

Common-Mode 50Hz

Rejection2

150

dB typ

For

Filter

Notches

25Hz,50Hz,±0.02×fNOTCH

Common-Mode 60Hz

Rejection2

150

dB typ

For

Filter

Notches

20Hz,60Hz,±0.02×fNOTCH

Absolute/Common-M

ode REF IN Voltage2

GND to VDD

Vmin to

V mas

Absolute/Common-M

ode AIN Voltage2

。

GND—30mV

Vmin

BUF Bit of Setup Register=0

VDD+30mV

Vmax

Absolute/Common-M

ode AIN Voltage2

。

GND+50mV

Vmin

BUF Bit of Setup Register=1

VDD—1.5V

Vmax

AIN DC Input

Current2

nA max

AIN

SamplingCapacitanc

pF max

AIN

Differential

Voltage Range10

0to+VREP/GAIN

nom

Unipolar Input Range(B/U Bit

of Setup Register=1)

±VREP/GAIN

nom

Bipolar Input Range(B/U Bit of

Setup Register=0)

AIN Input Sampling

Rate,fs

GAIN×fCLKIN/64

For Gains of 1 to 4

fCLKIN/8

For Gains of 8 to 128

Referencelnput

Range

REFIN(+)—REFIN(－)

Voltage

1/1.75

Vmin/ma

VDD=2.7Vto3.3V.VREF=1.225±1

% for Specifled Performance

REFIN(+)—REFIN(－)

Voltage

1/3.5

Vmin/ma

VDD=4.75Vto5.25V.VREF=2.5±1

% for Specifled Performance

REF IN Input

SamplingRate, fs

fCLKIN/64

LOGIC INPUTS

Input Current

All Inputs Except

MCLK IN

±1

μA max

Typically±20nA

MCLK

±10

μA max

Typically±20μA

All Inputs Except

TM7708 Datasheet(PDF) 6 Page - Shenzhen Titan Micro Electronics Co., Ltd.

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