參數(shù)資料
型號(hào)： MAX1202ACPP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： 5v, 8-cHANNEL, sERIAL, 12-bIT adcS WITH 3v dIGITAL iNTERFACE
中文描述： 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP20
封裝： PLASTIC, DIP-20
文件頁(yè)數(shù)： 8/24頁(yè)
文件大?。?/td> 309K
代理商： MAX1202ACPP
______________________________________________________________Pin Desc ription
M
5V, 8-Channel, S erial, 12-Bit ADCs
with 3V Digital Interfac e
8
_______________________________________________________________________________________
-1.0
-0.8
-0.6
-0.4
0
INTEGRAL NONLINEARITY
vs. DIGITAL
1.0
0.4
0.6
0.8
M
DIGITAL CODE
I
3000
0
-0.2
750
1500
2250
0.2
3750
4500
-120
0
FFT PLOT
20
M
FREQUENCY (kHz)
A
-20
-40
-60
-80
-100
33.25
0
66.50
V
SS
= -5V
____________________________Typic al Operating Charac teristic s (c ontinued)
(V
DD
= 5V ±5%; VL = 2.7V to 3.6V; V
SS
= 0V; f
SCLK
= 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion cycle
(133ksps); MAX1202—4.7μF capacitor at REF pin; MAX1203—external reference, V
REF
= 4.096V applied to REF pin; T
A
= +25°C;
unless otherwise noted.)
Serial-Strobe Output. In internal clock mode, SSTRB goes low when the MAX1202/MAX1203 begin
the analog-to-digital conversion, and goes high when the conversion is finished. In external clock
mode, SSTRB pulses high for one clock period before the MSB decision. High impedance when
CS
is high (external clock mode).
Serial-Data Input. Data is clocked in at SCLK’s rising edge.
SSTRB
16
DIN
17
Active-Low Chip Select. Data is not clocked into DIN unless
CS
is low. When
CS
is high, DOUT is
high impedance.
CS
18
Serial-Clock Input. SCLK clocks data in and out of the serial interface. In external clock mode, SCLK
also sets the conversion speed. (Duty cycle must be 40% to 60% in external clock mode.)
SCLK
19
Positive Supply Voltage, +5V ±5%
V
DD
20
Input to the Reference-Buffer Amplifier. Tie REFADJ to V
DD
to disable the reference-buffer amplifier.
Ground; IN- Input for Single-Ended Conversions
REFADJ
GND
12
13
Supply Voltage for Digital Output Pins. Voltage applied to VL determines the positive output swing of
the Digital Outputs (DOUT, SSTRB). 2.7V
≤
VL
≤
5.25V.
Serial-Data Output. Data is clocked out at SCLK’s falling edge. High impedance when
CS
is high.
VL
14
DOUT
15
Reference-Buffer Output/ADC Reference Input. In internal reference mode (MAX1202 only), the refer-
ence buffer provides a 4.096V nominal output, externally adjustable at REFADJ . In external reference
mode, disable the internal buffer by pulling REFADJ to V
DD.
REF
11
Three-Level Shutdown Input. Pulling
SHDN
low shuts the MAX1202/MAX1203 down to 10μA (max)
supply current; otherwise, the MAX1202/MAX1203 are fully operational. Pulling
SHDN
to V
DD
puts the
reference-buffer amplifier in internal compensation mode. Letting
SHDN
float puts the reference-
buffer amplifier in external compensation mode.
SHDN
10
PIN
Negative Supply Voltage. Tie V
SS
to -5V ±5% or to GND.
V
SS
9
Sampling Analog Inputs
CH0–CH7
1–8
FUNCTION
NAME
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1202ACPP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 133ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1202AEAP 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1202AEAP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 133ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1202AEAP+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 133ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1202AEAP-T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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