参数资料
型号: AD7367BRUZ-500RL7
厂商: Analog Devices Inc
文件页数: 26/28页
文件大小: 0K
描述: IC ADC 14BIT SAR 1MSPS 24TSSOP
设计资源: Driving the AD7366/7 Bipolar SAR ADC in Low-Distortion DC-Coupled Appls (CN0042)
标准包装: 500
位数: 14
采样率(每秒): 500k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 2
功率耗散(最大): 88.8mW
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-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 带卷 (TR)
输入数目和类型: 4 个单端,单极;4 个单端,双极
AD7366-5/AD7367-5
Rev. A | Page 7 of 28
TIMING SPECIFICATIONS
AVCC = DVCC = 4.75 V to 5.25 V; VDD = 5 V to 16.5 V; VSS = 16.5 V to 5 V; VDRIVE = 2.7 V to 5.25 V; TA = TMIN to TMAX, unless otherwise noted.1
Table 4.
Parameter
2.7 V ≤ VDRIVE ≤ 5.25 V
Unit
Test Conditions/Comments
tCONVERT
Conversion time, internal clock. CONVST falling edge to BUSY falling edge.
1.25
μs max
For the AD7367-5.
1.25
μs max
For the AD7366-5.
fSCLK
10
kHz min
Frequency of serial read clock.
20
MHz max
tQUIET
50
ns min
Minimum quiet time required between the end of serial read and the start of the next
conversion.
t1
10
ns min
Minimum CONVST low pulse.
t2
40
ns min
CONVST falling edge to BUSY rising edge.
t3
0
ns min
BUSY falling edge to MSB valid once CS is low for t4 prior to BUSY going low.
t4
10
ns max
Delay from CS falling edge until Pin 1 (DOUTA) and Pin 23 (DOUTB) are three-state disabled.
20
ns max
Data access time after SCLK falling edge.
t6
7
ns min
SCLK to data valid hold time.
t7
0.3 × tSCLK
ns min
SCLK low pulse width.
t8
0.3 × tSCLK
ns min
SCLK high pulse width.
t9
10
ns max
CS rising edge to DOUTA, DOUTB, high impedance.
tPOWER-UP
70
μs max
Power up time from shutdown mode; time required between CONVST rising edge and
CONVST falling edge.
1 Sample tested during initial release to ensure compliance. All input signals are specified with tR = tF = 5 ns (10% to 90% of VDRIVE) and timed from a voltage level of 1.6 V.
All timing specifications given are with a 25 pF load capacitance. With a load capacitance greater than this value, a digital buffer or latch must be used. See the
Terminology section and Figure 25.
2 The time required for the output to cross is 0.4 V or 2.4 V.
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