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參數(shù)資料
| 型號： | MAX1204ACAP+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/23頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT 8CH 20-SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 66 |
| 位數(shù)： | 10 |
| 采樣率（每秒）： | 133k |
| 數(shù)據(jù)接口： | MICROWIRE?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 640mW |
| 電壓電源： | 雙 ± |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 8 個單端，單極；8 個單端，雙極；4 個差分，單極；4 個差分，雙極 |
MAX1204
5V, 8-Channel, Serial, 10-Bit ADC
with 3V Digital Interface
15
Maxim Integrated
__________ Applications Information
Power-On Reset
When power is first applied and if SHDN is not pulled
low, internal power-on reset circuitry activates the
MAX1204 in internal clock mode, ready to convert with
SSTRB = high. After the power supplies are stabilized,
the internal reset time is 100s. No conversions should
be performed during this phase. SSTRB is high on
power-up, and if CS is low, the first logical 1 on DIN is
interpreted as a start bit. Until a conversion takes
place, DOUT shifts out zeros.
Reference-Buffer Compensation
In addition to its shutdown function, SHDN also selects
internal or external compensation. The compensation
affects both power-up time and maximum conversion
speed. Compensated or not, the minimum clock rate is
100kHz due to droop on the sample-and-hold.
Float SHDN to select external compensation. The
Typical
Operating Circuit uses a 4.7F capacitor at REF. A value
of 4.7F or greater ensures stability and allows converter
operation at the 2MHz full clock speed. External com-
pensation increases power-up time (see the section
Choosing Power-Down Mode, and Table 5).
Internal compensation requires no external capacitor at
REF, and is selected by pulling SHDN high. Internal com-
pensation allows for the shortest power-up times, but is
only available using an external clock up to 400kHz.
Power-Down
Choosing Power-Down Mode
You can save power by placing the converter in a
low-current shutdown state between conversions.
Select full power-down or fast power-down mode via
bits 1 and 0 of the DIN control byte with SHDN high or
open (Tables 2 and 6). Pull SHDN low at any time to shut
down the converter completely. SHDN overrides bits 1
and 0 of the control byte.
Figure 11a. External Clock Mode, 15 Clocks/Conversion Timing
Figure 11b. External Clock Mode, 16 Clocks/Conversion Timing
SCLK
DIN
DOUT
CS
S
CONTROL BYTE 0
CONTROL BYTE 1
S
CONVERSION RESULT 0
CONVERSION RESULT 1
SSTRB
CONTROL BYTE 2
S
1
81
8
1
15
B2
B3
B4
B5
B6
B7
B8
B9
B1 B0 S1 S0
B2
B3
B4
B5
B6
B7
B8
B9
B1 B0 S1 S0
CS
SCLK
DIN
DOUT
S
CONTROL BYTE 0
CONTROL BYTE 1
S
CONVERSION RESULT 0
CONVERSION RESULT 1
B2
B3
B4
B5
B6
B7
B8
B9
B5
B6
B7
B8
B9
B1 B0 S1 S0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1204ACAP+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-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 |
| MAX1204ACAP+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-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 |
| MAX1204ACAP-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 |
| MAX1204ACPP | 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 |
| MAX1204ACPP+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-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 |
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