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參數(shù)資料
| 型號： | MX7705EUE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | ADC |
| 英文描述： | 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADC |
| 中文描述： | 2-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16 |
| 封裝： | TSSOP-16 |
| 文件頁數(shù)： | 23/34頁 |
| 文件大小： | 664K |
| 代理商： | MX7705EUE |
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ZERO:
(Default = 0) Zero Bit. This is a read-only bit.
Values written to this bit are ignored.
CLKDIS:
(Default = 0) Clock-Disable Bit. Set CLKDIS =
1 to disable the clock when using a crystal or resonator
across CLKIN and CLKOUT. Set CLKDIS = 1 to disable
CLKOUT when using a CMOS clock source at CLKIN.
CLKOUT is held low during clock disable to save
power. Set CLKDIS = 0 to allow other devices to use
the output signal on CLKOUT as a clock source and/or
to enable the external oscillator.
CLKDIV:
(Default = 0) Clock-Divider Control Bit. The
MX7705 has an internal clock divider. Set this bit to 1 to
divide the input clock by two. When this bit is set to 0, the
MX7705 operates at the external oscillator frequency.
CLK:
(Default = 1) Clock Bit. Set CLK = 1 for f
CLKIN
=
2.4576MHz with CLKDIV = 0, or 4.9152MHz with
CLKDIV = 1.
M
16-Bit, Low-Power, 2-Channel,
Sigma-Delta ADC
______________________________________________________________________________________
23
Table 6. Communications Register
FIRST BIT (MSB)
(LSB)
FUNCTION
COMMUNICATION
START/DATA READY
REGISTER SELECT
READ/WRITE
SELECT
POWER-DOWN
MODE
CHANNEL SELECT
Name
Defaults
0/
DRDY
0
RS2
0
RS1
0
RS0
0
R/
W
0
PD
0
CH1
0
CH0
0
Table 7. Register Selection
RS2
0
0
0
0
1
1
1
1
RS1
0
0
1
1
0
0
1
1
RS0
0
1
0
1
0
1
0
1
REGISTER
POWER-ON RESET STATUS
0x00
0x01
0x05
N/A
N/A
—
0x1F 40 00
0x57 61 AB
REGISTER SIZE (BITS)
8
8
8
16
8
—
24
24
Communications Register
Setup Register
Clock Register
Data Register
Test Register*
No Operation
Offset Register
Gain Register
Table 8. Channel Selection
CH1
CH0
AIN+
AIN-
OFFSET/GAIN
REGISTER PAIR
0
0
1
1
0
1
0
1
AIN1+
AIN2+
AIN1-
AIN1-
AIN1-
AIN2-
AIN1-
AIN2-
0
1
0
2
*
The test register is used for factory testing only.
Table 9. Setup Register
FIRST BIT (MSB)
(LSB)
FUNCTION
MODE CONTROL
PGA GAIN CONTROL
BIPOLAR/UNIPOLAR
MODE
BUFFER ENABLE
FSYNC
Name
Defaults
MD1
0
MD0
0
G2
0
G1
0
G0
0
B/U
0
BUF
0
FSYNC
1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MX7705EUE+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 2Ch 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 |
| MX7705EUE+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 2Ch 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 |
| MX7705EUE-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 |
| MX7705EWE | 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 |
| MX7705EWE+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 2Ch 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 |
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