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參數(shù)資料
| 型號(hào)： | MAX1191ETI-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | Ultra-Low-Power, 7.5Msps, Dual 8-Bit ADC |
| 中文描述： | 2-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, QCC28 |
| 封裝： | 5 X 5 MM, 0.80 MM HEIGHT, MO-220, TQFN-28 |
| 文件頁(yè)數(shù)： | 13/27頁(yè) |
| 文件大小： | 492K |
| 代理商： | MAX1191ETI-T |
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M
Ultra-Low-Power, 7.5Msps, Dual 8-Bit ADC
______________________________________________________________________________________
13
SUPPLY CURRENT
vs. INPUT FREQUENCY
MAX1191 toc34
f
IN
(MHz)
D
A
3
2
1
0.5
0.6
0.7
0.8
0.9
0.4
3.9
4.0
4.1
4.2
4.3
3.8
0
4
DIGITAL SUPPLY CURRENT
ANALOG SUPPLY CURRENT
SUPPLY CURRENT
vs. SAMPLING RATE
M
f
CLK
(MHz)
S
15
10
5
A: ANALOG SUPPLY CURRENT (I
DD
) - INTERNAL AND BUFFERED EXTERNAL
REFERENCE MODES
B: ANALOG SUPPLY CURRENT (I
DD
) - UNBUFFERED EXTERNAL REFERENCE MODE
C: DIGITAL SUPPLY CURRENT (I
ODD
) - ALL REFERENCE MODES
2
4
1
3
5
6
7
0
0
20
A
B
C
f
IN
= 2.017059MHz
Pin Description
PIN
1
2
3, 5, 10
4
6
7
NAME
INA-
INA+
GND
CLK
INB+
INB-
FUNCTION
Channel A Negative Analog Input. For single-ended operation, connect INA- to COM.
Channel A Positive Analog Input. For single-ended operation, connect signal source to INA+.
Analog Ground. Connect all GND pins together.
Converter Clock Input
Channel B Positive Analog Input. For single-ended operation, connect signal source to INB+.
Channel B Negative Analog Input. For single-ended operation, connect INB- to COM.
8, 9, 28
V
DD
Converter Power Input. Connect to a 2.7V to 3.6V power supply. Bypass V
DD
to GND with a
combination of a 2.2μF capacitor in parallel with a 0.1μF capacitor.
11
OGND
Output Driver Ground
12
OV
DD
Output Driver Power Input. Connect to a 1.8V to V
DD
power supply. Bypass OV
DD
to GND with a
combination of a 2.2μF capacitor in parallel with a 0.1μF capacitor.
13
14
15
16
D7
D6
D5
D4
Tri-State Digital Output. D7 is the most significant bit (MSB).
Tri-State Digital Output
Tri-State Digital Output
Tri-State Digital Output
17
A/
B
Channel Data Indicator. This digital output indicates channel A data (A/
B
= 1) or channel B data
(A/
B
= 0) is present on the output.
18
19
20
21
22
D3
D2
D1
D0
PD1
Tri-State Digital Output
Tri-State Digital Output
Tri-State Digital Output
Tri-State Digital Output. D0 is the least significant bit (LSB).
Power-Down Digital Input 1. See Table 3.
Typical Operating Characteristics (continued)
(V
DD
= 3.0V, OV
DD
= 1.8V, V
REFIN
= V
DD
(internal reference), C
L
≈
10pF at digital outputs, differential input at -0.5dB FS, f
CLK
=
7.500567MHz at 50% duty cycle, T
A
= +25
°
C, unless otherwise noted.)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1192ETI | 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 |
| MAX1192ETI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 22Msps 3.6V 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 |
| MAX1192ETI+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 22Msps 3.6V 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 |
| MAX1192ETI-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 |
| MAX1193ETI | 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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