Datasheet > DAC1243X_SR

DAC1243X_SR

更新时间： 2022-01-19 05:40:00

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描述
DAC1243X_SR 10BIT 30MSPS Single Channel DAC DAC1243X_SR\|Data Sheet

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DAC1243X_SR 数据手册

DAC1243X-SR

10BIT 30MSPS Single Channel DAC

PIN CONFIGURATION

I/O

I/O TYPE ABBR.

NAME

PDAC

CLK

I/O PAD

piar50_abb

picc_abb

PIN DESCRIPTION

TYPE

•AI : Analog Input

Just Analog Switch Block power down

control. When activated(high) all current

switches are disabled.

•DI : Digital Input

•AO : Analog Output

•DO : Analog Output

•AB : Analog Bidirectional

•DB : Digital Bidirectional

DAC master clock. Input data is latched

into the DACs on the rising edge of

CLK

Control strobe for the DAC auto-load

detection comparator. When

transitions

PRE

•AP : Analog Power

•AG : Analog Ground

•DP : Digital Power

•DG : Digital Ground

high-to-low, the auto-load detect circuit

evaluates its analog input. Appropriate

settling time must be allowed before the

piar50_abb

PRE

comparator output

is used. When

(DTOUT)

not used,

should be left high.

PRE

picc_abb

10-bit straight binary, parallel digital input

D1[9:0]

ALLPD

Power down control for Bandgap and all

blocks. A high level disables all analog

switchs and digital blocks plus the bandgap

piar50_abb

reference regardless of the states of

PDAC

Comparator output for detection of resistive

load at DAC output. A low at the detect

output indicates that the output voltage of

the current selected DAC is above 0.53V

and therefore that no load is attached.

pot8_abb

DTOUT

Internal DAC compensation node. Connect

poa_abb_50option

CCOMP

IRSET

external 0.1uF cap to

VDD25AA1

External resistor from this node to

defines the full scale output

VSS25AA1

current for the DACs.

poa_abb_50option External reference voltage output.

VBIAS

Analog Power (2 pads for this node is

vdd2t_abb

VDD25AA1

recommended.)

Analog Ground (2 pads for this node is

vss2t_abb

VSS25AA1

VDD25AD1

recommended)

vdd2t_abb

Digital Power

vss2t_abb

vbb_abb

Digital Ground

VSS25AD1

VABB

Substrate Bias(the same with ground level)

poa_abb_50option Analog Current Output

IO1

SEC ASIC

ANALOG

2 / 10

123 4 5 6 7...10

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