ADR425 datasheet(7/33 Pages) AD

部品番号	ADR425

部品情報	Complete Dual, 16-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DACs

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Preliminary Technical Data

AD5762R

Rev. PrA | Page 7 of 33

TIMING CHARACTERISTICS

AVDD = 11.4 V to 16.5 V, AVSS = −11.4 V to −16.5 V, AGND = DGND = REFGND = PGND = 0 V; REFA, REFB= 5 V external;

DVCC = 2.7 V to 5.25 V, RLOAD = 10 kΩ, CL = 200 pF. All specifications TMIN to TMAX, unless otherwise noted.

Table 3.

Parameter1, 2, 3

Limit at TMIN, TMAX

Unit

Description

t1

33

ns min

SCLK cycle time

t2

13

ns min

SCLK high time

t3

13

ns min

SCLK low time

t4

13

ns min

SYNC falling edge to SCLK falling edge setup time

t54

13

ns min

24th SCLK falling edge to SYNC rising edge

t6

40

ns min

Minimum SYNC high time

t7

2

ns min

Data setup time

t8

5

ns min

Data hold time

t9

1.4

µs min

SYNC rising edge to LDAC falling edge (all DACs updated)

400

ns min

SYNC rising edge to LDAC falling edge (single DAC updated)

t10

10

ns min

LDAC pulse width low

t11

500

ns max

LDAC falling edge to DAC output response time

t12

10

µs max

DAC output settling time

t13

10

ns min

CLR pulse width low

t14

2

µs max

CLR pulse activation time

t155, 6

25

ns max

SCLK rising edge to SDO valid

t16

13

ns min

SYNC rising edge to SCLK falling edge

t17

2

µs min

SYNC rising edge to DAC output response time (LDAC = 0)

t18

170

ns min

LDAC falling edge to SYNC rising edge

1 Guaranteed by design and characterization; not production tested.

2 All input signals are specified with tr = tf = 5 ns (10% to 90% of DVCC) and timed from a voltage level of 1.2 V.

3 See Figure 2, Figure 3, and Figure 4.

4 Standalone mode only.

5 Measured with the load circuit of Figure 5.

6 Daisy-chain mode only.

同様の部品番号 - ADR425

メーカー	部品番号	データシート	部品情報
Analog Devices	ADR425	223Kb / 16P	Ultraprecision Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET Voltage References REV. B
	ADR425	541Kb / 24P	2.7 V to 5.5 V, <100 關A, 8-/10-/12-Bit nanoDAC Rev. F
	ADR425	466Kb / 24P	2.7 V to 5.5 V, <100 關A, 8-/10-/12-Bit nanoDAC, SPI Interface in LFCSP and SC70 Rev. G
	ADR425	924Kb / 24P	Dual, Current-Output, Serial-Input, 16-/14-Bit DACs Rev. G
	ADR425	1Mb / 20P	Current Output, Parallel Input, 16-/14-Bit Multiplying DACs with Four-Quadrant Resistors REV. D

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同様の説明 - ADR425

メーカー	部品番号	データシート	部品情報
Analog Devices	AD5762R	704Kb / 32P	Complete Dual, 16-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC
	AD5762R	709Kb / 32P	Complete Dual, 16-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC REV. 0
	AD5763	300Kb / 31P	Complete Dual, 16-Bit, High Accuracy, Serial Input, 짹5V DACs Rev. PrA
	AD5764ASUZ	529Kb / 28P	Complete Quad, 16-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC Rev. F
	AD5764R	768Kb / 32P	Complete Quad, 16-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC REV. 0
	AD5764R	1Mb / 32P	Complete Quad, 16-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC Rev. PrA
	AD5764R	558Kb / 32P	Complete Quad, 16-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC REV. D
	AD5764CSUZ	529Kb / 28P	Complete Quad, 16-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC Rev. F
	AD5764	266Kb / 27P	Complete, Quad, 16-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC Rev. PrC 21-Oct-0
	AD5752	1Mb / 32P	Complete, Dual, 12-/14-/16-Bit, Serial Input, Unipolar/Bipolar, Voltage Output DACs REV. D

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