AD5291 datasheet(7/28 Pages) AD

tên linh kiện	AD5291

Giải thích chi tiết về linh kiện	256-/1024-Position, DigiPOT Potentiometers with Maximum 짹1% R-Tolerance Error and 20-TP Memory

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AD5291/AD5292

Rev. 0 | Page 7 of 28

INTERFACE TIMING SPECIFICATIONS

VDD/VSS = ±15 V, VLOGIC = 2.7 V to 5.5 V, −40°C < TA < + 105°C. All specifications TMIN to TMAX, unless otherwise noted.

Table 5.

Parameter

Limit1

Unit

Description

t12

20

ns min

SCLK cycle time

t2

10

ns min

SCLK high time

t3

10

ns min

SCLK low time

t4

10

ns min

SYNC to SCLK falling edge setup time

t5

5

ns min

Data setup time

t6

5

ns min

Data hold time

t7

1

ns min

SCLK falling edge to SYNC rising edge

t8

4003

ns min

Minimum SYNC high time

t9

14

ns min

SYNC rising edge to next SCLK fall ignore

t104

1

ns min

RDY rising edge to SYNC falling edge

t114

40

ns max

SYNC rising edge to RDY fall time

t124

2.4

μs max

RDY low time, RDAC register write command execute time (R-Perf mode)

t124

410

ns max

RDY low time, RDAC register write command execute time (normal mode)

t124

8

ms max

RDY low time, memory program execute time

t124

1.5

ms min

Software\hardware reset

t134

450

ns max

RDY low time, RDAC register readback execute time

t134

1.3

ms max

RDY low time, memory readback execute time

t144

450

ns max

SCLK rising edge to SDO valid

tRESET

20

ns min

Minimum RESET pulse width (asynchronous)

tPOWER-UP5

2

ms max

Power-on OTP restore time

1 All input signals are specified with tR = tF = 1 ns/V (10% to 90% of VDD) and timed from a voltage level of (VIL + VIH)/2.

2 Maximum SCLK frequency is 50 MHz.

3 Refer to t12 and t13 for RDAC register and memory commands operations.

4 RPULL_UP = 2.2 kΩ to VLOGIC, with a capacitance load of 168 pF.

5 Typical power supply voltage slew rate of 2 ms/V.

DATA BITS

DB9 (MSB)

DB0 (LSB)

D7

D6

D5

D4

D3

D2

D1

D0

CONTROL BITS

C0

C1

C2

D9

D8

C3

0

Figure 2. AD5291/AD5292 Shift Register Content

Số phần tương tự - AD5291

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Analog Devices	AD5291	1,019Kb / 30P	256-/1024-Position, Digital Potentiometers
	AD5291BRUZ-100	1Mb / 32P	256-/1024-Position, Digital Potentiometers REV. D
	AD5291BRUZ-100	1,019Kb / 30P	256-/1024-Position, Digital Potentiometers
	AD5291BRUZ-100-RL7	1Mb / 32P	256-/1024-Position, Digital Potentiometers REV. D
	AD5291BRUZ-100-RL7	1,019Kb / 30P	256-/1024-Position, Digital Potentiometers

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Mô tả tương tự - AD5291

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Analog Devices	AD5270	725Kb / 24P	1024-/256-Position, 1% Resistor Tolerance Error, SPI Interface and 50-TP Memory Digital Rheostat Rev. F
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	AD5272	720Kb / 28P	1024-/256-Position, 1% Resistor Tolerance Error, I2C Interface and 50-TP Memory Digital Rheostat REV. D
	AD5292BRUZ-100	1Mb / 32P	256-/1024-Position, Digital Potentiometers REV. D
	AD5291	1,019Kb / 30P	256-/1024-Position, Digital Potentiometers
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	AD5235	102Kb / 10P	Nonvolatile Memory, Dual 1024 Position Digital Potentiometers REV PrD 6 Nov 2000
	AD5174	1,009Kb / 20P	Single-Channel, 1024-Position, Digital Rheostat with SPI Interface and 50-TP Memory REV. 0
	AD5175	1Mb / 20P	Single-Channel, 1024-Position, Digital Rheostat with I2C Interface and 50-TP Memory REV. 0
	AD5200BRM50	1Mb / 15P	256-Position and 33-Position Digital Potentiometers REV. D

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