参数资料
型号: EVAL-AD5560EBUZ
厂商: Analog Devices Inc
文件页数: 5/68页
文件大小: 0K
描述: BOARD EVALUATION FOR AD5560
标准包装: 1
主要目的: 电源管理,电源监控器/跟踪器/序列发生器
已用 IC / 零件: AD5560
次要属性: 串行接口
已供物品:
Data Sheet
AD5560
Rev. D | Page 13 of 68
TIMING CHARACTERISTICS
HCAVDDx ≤ AVSS + 33 V, HCAVSSx ≥ AVSS, AVDD ≥ 8 V, AVSS ≤ 5 V, |AVDD AVSS| ≥ 16 V and ≤ 33 V, VREF = 5 V (TJ = 25°C to 90°C,
maximum specifications, unless otherwise noted).
Table 2. SPI Interface
Parameter1, 2, 3
DV
CC = 2.3 V
to 2.7 V
DV
CC = 2.7 V
to 3.3 V
DV
CC = 4.5 V
to 5.5 V
Unit
Description
t
UPDATE
600
ns max
Channel update cycle time
t
1
25
20
ns min
SCLK cycle time; 60/40 duty cycle
t
2
10
8
ns min
SCLK high time
t
3
10
8
ns min
SCLK low time
t
4
10
ns min
SYNC falling edge to SCLK falling edge setup time
t
5
15
ns min
Minimum SYNC high time
t
6
5
ns min
24th SCLK falling edge to SYNC rising edge
t
7
5
ns min
Data setup time
t
4.5
ns min
Data hold time
40
35
30
ns max
SYNC rising edge to BUSY falling edge
t
10
1.5
μs max
BUSY pulse width low for DAC x1 write
280
ns max
BUSY pulse width low for other register write
t
11
25
20
10
ns min
RESET pulse width low
t
12
400
s max
RESET time indicated by BUSY low
t
13
250
ns min
Minimum SYNC high time in readback mode
t
45
35
25
ns max
SCLK rising edge to SDO valid
t
15
30
ns max
SYNC rising edge to SDO high-Z
LOAD TIMING
t
16
20
ns min
LOAD pulse width low
t
17
150
ns min
BUSY rising edge to force output response time
t
18
0
ns min
BUSY rising edge to LOAD falling edge
t
19
150
ns min
LOAD rising edge to FORCE output response time
150
ns min
LOAD rising edge to current range response
1 Guaranteed by design and characterization, not production tested.
2 All input signals are specified with t
R = tF = 2 ns (10% to 90% of DVCC) and timed from a voltage level of 1.2 V.
4 This is measured with the load circuit shown in Figure 2.
5 This is measured with the load circuit shown in Figure 3.
6 Longer SCLK cycle time is required for correct operation of readback mode; consult timing diagrams and timing specifications.
TIMING DIAGRAMS
TO OUTPUT
PIN
DVCC
RLOAD
2.2k
CLOAD
50pF
VOL
07779-
002
Figure 2. Load Circuit for Open Drain
07779-
003
VOH (MIN) – VOL (MAX)
2
200A
IOL
200A
IOL
TO OUTPUT
PIN
CLOAD
50pF
Figure 3. Load Circuit for CMOS
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