參數資料
型號: MAX1003CAX
廠商: Maxim Integrated Products
文件頁數: 12/12頁
文件大?。?/td> 0K
描述: IC ADC DUAL 6-BIT 90MSPS 36-SSOP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 30
位數: 6
采樣率(每秒): 90M
數據接口: 并聯(lián)
轉換器數目: 2
功率耗散(最大): 941mW
電壓電源: 單電源
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 36-BSOP(0.295",7.50mm 寬)
供應商設備封裝: 36-SSOP
包裝: 管件
輸入數目和類型: 4 個單端,單極;2 個差分,單極
External Clock Operation
To accommodate designs that use an external clock,
the MAX1003’s internal oscillator can be overdriven by
an external clock source as shown in Figure 7. The
external clock source should be a sinusoid to minimize
clock phase noise and jitter, which can degrade the
ADCs’ ENOB performance. AC couple the clock source
(recommended voltage level is approximately 1Vp-p) to
the oscillator inputs as shown in Figure 7.
Output Data Format
The conversion results are output on a dual, 6-bit-wide
data bus. Data is latched into the ADC output latch fol-
lowing a pipeline delay of one clock cycle, as shown in
Figure 8. Output data is clocked out of the respective
ADC’s data output pins (D_0 through D_5) on the rising
edge of the clock output (DCLK), with a DCLK-to-data
propagation delay (tPD) of 3.6ns. The MAX1003 outputs
are +3.3V CMOS-logic compatible.
Transfer Function
Figure 9 shows the MAX1003’s nominal transfer function.
Output coding is offset binary with 1LSB = FSR / 63.
MAX1003
Low-Power, 90Msps, Dual 6-Bit ADC
_______________________________________________________________________________________
9
Figure 9. Ideal Transfer Function
111111
OUTPUT
CODE
111110
111101
100001
100000
011111
011110
000011
000010
000001
000000
-FSR
2
0
1LSB
INPUT VOLTAGE (_IN+ TO _IN-)
FSR
2
Figure 8. MAX1003 Timing Diagram
DATA OUT
1.4V
DATA VALID N - 1
DATA VALID N
1.4V
50%
tSKEW
tDCLK
tAD
tPD
TNK+
(INPUT CLOCK)
DCLK
ANALOG
INPUT
N
N + 1
N + 2
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MAX1003CAX+ 功能描述:模數轉換器 - ADC Low-Power 90Msps Dual 6-Bit RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1003CAX+T 功能描述:模數轉換器 - ADC Low-Power 90Msps Dual 6-Bit RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1003CAX-T 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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