参数资料
型号: AD5293BRUZ-20-RL7
厂商: Analog Devices Inc
文件页数: 22/24页
文件大小: 0K
描述: IC DGTL POT 1024POS 20K 14TSSOP
标准包装: 1,000
接片: 1024
电阻(欧姆): 20k
电路数: 1
温度系数: 标准值 35 ppm/°C
存储器类型: 易失
接口: 4 线串行
电源电压: 9 V ~ 33 V,±9 V ~ 16.5 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 14-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 14-TSSOP
包装: 带卷 (TR)
AD5293
Rev. D | Page 7 of 24
INTERFACE TIMING SPECIFICATIONS
VDD = VSS = ±15 V, VLOGIC = 2.7 V to 5.5 V, and 40°C < TA < +105°C. All specifications TMIN to TMAX, unless otherwise noted.
Table 5.
Parameter
Unit
Test Conditions/Comments
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 ignored
ns min
RDY rise to SYNC falling edge
ns max
SYNC rise to RDY fall time
2.4
μs max
RDY low time, RDAC register write command execute time (resistor performance mode)
410
ns max
RDY low time, RDAC register write command execute time (normal mode)
1.5
ms max
Software\hardware reset
450
ns max
RDY low time, RDAC register read command execute time
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 time to half scale
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 = 50 MHz.
3 Refer to t12 and t13 for RDAC register 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 V/ms.
DATA BITS
DB9 (MSB)
DB0 (LSB)
D7
D6
D5
D4
D3
D2
D1
D0
CONTROL BITS
C0
C1
C2
D9
D8
C3
0
07
67
5-
00
2
Figure 2. Shift Register Contents
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