AD7770ACPZ datasheet(6/98 Pages) AD

部件名	AD7770ACPZ

功能描述	8-Channel, 24-Bit, Simultaneous Sampling ADC

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制造商	AD [Analog Devices]

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6 / 98 page

Data Sheet

AD7770

Rev. C | Page 5 of 97

FUNCTIONAL BLOCK DIAGRAM

AVDD1x REF_OUT

REFx+

VCM

AVDD2

AVSSx

AVDD4

CONVST_SAR

IOVDD

AREGxCAP

DREGCAP

CLOCK

MANAGER

XTAL1

XTAL2/MCLK

SYNC_IN

SYNC_OUT

START

REFx–

DCLK

DRDY

DOUT3

DOUT2

DOUT1

DOUT0

FORMAT1

FORMAT0

MODE3/ALERT

MODE2/GPIO2

MODE1/GPIO1

MODE0/GPIO0

ALERT/CS

DCLK2/SCLK

DCLK1/SDI

DCLK0/SDO

RESET

Σ-Δ ADC

AIN0+

AIN0–

280mV p-p

Σ-Δ ADC

REFERENCES

EXT_REF

INT_REF

AIN1+

AIN1–

Σ-Δ ADC

REFERENCES

AIN2+

AIN2–

Σ-Δ ADC

REFERENCES

AIN3+

AIN3–

Σ-Δ ADC

REFERENCES

AIN4+

AIN4–

Σ-Δ ADC

REFERENCES

AIN5+

AIN5–

REFERENCES

AIN6+

AIN6–

REFERENCES

DIAGNOSTIC

INPUTS

AIN7+

AIN7–

SINC3/

SRC

FILTER

GAIN

OFFSET

COMMON-

MODE

VOLTAGE

ANALOG

LDO

2.5V REF

SINC3/

SRC

FILTER

GAIN

OFFSET

SINC3/

SRC

FILTER

GAIN

OFFSET

SINC3/

SRC

FILTER

GAIN

OFFSET

SINC3/

SRC

FILTER

GAIN

OFFSET

SINC3/

SRC

FILTER

GAIN

OFFSET

SINC3/

SRC

FILTER

GAIN

OFFSET

SINC3/

SRC

FILTER

GAIN

OFFSET

Σ-Δ ADC

AUXAIN+

AUXAIN–

DATA OUTPUT

INTERFACE

REGISTER MAP

AND

LOGIC CONTROL

HARDWARE

MODE

CONFIGURATION

SPI INTERFACE

AD7770

SAR ADC

DIGITAL

LDO

PGA

Figure 1.

类似零件编号 - AD7770ACPZ

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Analog Devices	AD7770ACPZ	1Mb / 94P	8-Channel, 24-Bit, Simultaneous Sampling ADC
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