参数资料
型号: AD9238BSTRL-40
厂商: Analog Devices Inc
文件页数: 45/48页
文件大小: 0K
描述: IC ADC 12BIT DUAL 40MSPS 64-LQFP
产品变化通告: AD9238 Lead Discontinuation 12/Sept/2011
标准包装: 2,000
位数: 12
采样率(每秒): 40M
数据接口: 并联
转换器数目: 2
功率耗散(最大): 330mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(7x7)
包装: 带卷 (TR)
输入数目和类型: 4 个单端,单极;2 个差分,单极
配用: AD9238BCP-65EBZ-ND - BOARD EVAL WITH AD9238BCP-65
AD9238
Rev. C | Page 6 of 48
DIGITAL SPECIFICATIONS
AVDD = 3 V, DRVDD = 2.5 V, maximum sample rate, CLK_A = CLK_B; AIN = 0.5 dBFS differential input, 1.0 V internal reference,
TMIN to TMAX, DCS enabled, unless otherwise noted.
Table 3.
Test
AD9238BST/BCP-20
AD9238BST/BCP-40
AD9238BST/BCP-65
Parameter
Temp
Level
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
LOGIC INPUTS
High Level Input Voltage
Full
IV
2.0
V
Low Level Input Voltage
Full
IV
0.8
V
High Level Input Current
Full
IV
10
+10
10
+10
10
+10
μA
Low Level Input Current
Full
IV
10
+10
10
+10
10
+10
μA
Input Capacitance
Full
IV
2
pF
LOGIC OUTPUTS1
High Level Output Voltage
Full
IV
DRVDD
0.05
DRVDD
0.05
DRVDD
0.05
V
Low Level Output Voltage
Full
IV
0.05
V
1 Output voltage levels measured with capacitive load only on each output.
SWITCHING SPECIFICATIONS
AVDD = 3 V, DRVDD = 2.5 V, maximum sample rate, CLK_A = CLK_B; AIN = 0.5 dBFS differential input, 1.0 V internal reference,
TMIN to TMAX, DCS enabled, unless otherwise noted.
Table 4.
Test
AD9238BST/BCP-20
AD9238BST/BCP-40
AD9238BST/BCP-65
Parameter
Temp
Level
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
SWITCHING PERFORMANCE
Maximum Conversion Rate
Full
VI
20
40
65
MSPS
Minimum Conversion Rate
Full
V
1
MSPS
CLK Period
Full
V
50.0
25.0
15.4
ns
CLK Pulse-Width High1
Full
V
15.0
8.8
6.2
ns
CLK Pulse-Width Low1
Full
V
15.0
8.8
6.2
ns
DATA OUTPUT PARAMETER
Output Delay2 (tPD)
Full
VI
2
3.5
6
2
3.5
6
2
3.5
6
ns
Pipeline Delay (Latency)
Full
V
7
Cycles
Aperture Delay (tA)
Full
V
1.0
ns
Aperture Uncertainty (tJ)
Full
V
0.5
ps rms
Wake-Up Time3
Full
V
2.5
ms
OUT-OF-RANGE RECOVERY TIME
Full
V
2
Cycles
1 The AD9238-65 model has a duty cycle stabilizer circuit that, when enabled, corrects for a wide range of duty cycles (see Figure 24).
2 Output delay is measured from clock 50% transition to data 50% transition, with a 5 pF load on each output.
3 Wake-up time is dependent on the value of the decoupling capacitors; typical values shown with 0.1 μF and 10 μF capacitors on REFT and REFB.
N–1
N
N+1
N+2
N+3
N+4
N+5
N+6
N+7
N+8
ANALOG
INPUT
CLOCK
DATA
OUT
N–9
N–8
N–7
N–6
N–5
N–4
N–3
N–2
N–1
N
MIN 2.0ns,
MAX 6.0ns
tPD =
02640-002
Figure 2. Timing Diagram
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AD9238BSTRL-65 功能描述:IC ADC 12BIT DUAL 65MSPS 64-LQFP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 位数:12 采样率(每秒):3M 数据接口:- 转换器数目:- 功率耗散(最大):- 电压电源:- 工作温度:- 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-23-6 包装:带卷 (TR) 输入数目和类型:-
AD9238BSTZ-20 功能描述:IC ADC 12BIT DUAL 20MSPS 64-LQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:microPOWER™ 位数:8 采样率(每秒):1M 数据接口:串行,SPI? 转换器数目:1 功率耗散(最大):- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘(4x4) 包装:Digi-Reel® 输入数目和类型:8 个单端,单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6
AD9238BSTZ-20EB 制造商:AD 制造商全称:Analog Devices 功能描述:12-Bit, 20 MSPS/40 MSPS/65 MSPS Dual A/D Converter
AD9238BSTZ-40 功能描述:IC ADC 12BIT DUAL 40MSPS 64-LQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:microPOWER™ 位数:8 采样率(每秒):1M 数据接口:串行,SPI? 转换器数目:1 功率耗散(最大):- 电压电源:模拟和数字 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-VQFN 裸露焊盘(4x4) 包装:Digi-Reel® 输入数目和类型:8 个单端,单极 产品目录页面:892 (CN2011-ZH PDF) 其它名称:296-25851-6
AD9238BSTZ-40 制造商:Analog Devices 功能描述:IC 12-BIT ADC