参数资料
型号: AD7710ARZ-REEL
厂商: Analog Devices Inc
文件页数: 29/32页
文件大小: 0K
描述: IC ADC 24BIT DIFF INP 24-SOIC
标准包装: 1,000
位数: 24
采样率(每秒): 1.03k
数据接口: 串行
转换器数目: 1
功率耗散(最大): 45mW
电压电源: 模拟和数字,双 ±
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC W
包装: 带卷 (TR)
输入数目和类型: 2 个差分,单极;2 个差分,双极
REV. G
–6–
AD7710
Limit at TMIN, TMAX
Parameter
(A, S Versions)
Unit
Conditions/Comments
External Clocking Mode
fSCLK
fCLK IN/5
MHz max
Serial Clock Input Frequency
t20
0
ns min
DRDY to RFS Setup Time
t21
0
ns min
DRDY to RFS Hold Time
t22
2
× tCLK IN
ns min
A0 to
RFS Setup Time
t23
0
ns min
A0 to
RFS Hold Time
t24
7
4
× t
CLK IN
ns max
Data Access Time (
RFS Low to Data Valid)
t25
7
10
ns min
SCLK Falling Edge to Data Valid Delay
2
× t
CLK IN + 20
ns max
t26
2
× t
CLK IN
ns min
SCLK High Pulse Width
t27
2
× tCLK IN
ns min
SCLK Low Pulse Width
t28
tCLK IN + 10
ns max
SCLK Falling Edge to
DRDY High
t29
8
10
ns min
SCLK to Data Valid Hold Time
tCLK IN + 10
ns max
t30
10
ns min
RFS/TFS to SCLK Falling Edge Hold Time
t31
8
5
× t
CLK IN/2 + 50
ns max
RFS to Data Valid Hold Time
t32
0
ns min
A0 to
TFS Setup Time
t33
0
ns min
A0 to
TFS Hold Time
t34
4
× t
CLK IN
ns min
SCLK Falling Edge to
TFS Hold Time
t35
2
× tCLK IN – SCLK High
ns min
Data Valid to SCLK Setup Time
t36
30
ns min
Data Valid to SCLK Hold Time
NOTES
8These numbers are derived from the measured time taken by the data output to change 0.5 V when loaded with the circuit of Figure 1. The measured number is then
extrapolated back to remove effects of charging or discharging the 100 pF capacitor. This means that the times quoted in the timing characteristics are the true bus
relinquish times of the part and, as such, are independent of external bus loading capacitances.
Specifications subject to change without notice.
PIN CONFIGURATION
DIP AND SOIC
SCLK
MCLK IN
DGND
DVDD
MODE
AIN1(+)
AGND
MCLK OUT
A0
SDATA
AIN1(–)
IOUT
REF OUT
REF IN(+)
REF IN(–)
AVDD
VBIAS
14
1
2
24
23
5
6
7
20
19
18
3
4
22
21
8
17
9
16
10
15
11
TOP VIEW
(Not to Scale)
11
12
13
AD7710
SYNC
VSS
DRDY
RFS
TFS
AIN2(+)
AIN2(–)
TO OUTPUT
PIN
+2.1V
1.6mA
200 A
100pF
Figure 1. Load Circuit for Access Time and
Bus Relinquish Time
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