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參數(shù)資料
| 型號(hào)： | MAX1261BEEI+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 19/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT 250KSPS 28-QSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 250k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 5.1mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-QSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 8 個(gè)單端，單極；8 個(gè)單端，雙極；4 個(gè)偽差分，單極；4 個(gè)偽差分，雙極 |
| 產(chǎn)品目錄頁面： | 1396 (CN2011-ZH PDF) |
MAX1261/MAX1263
250ksps, +3V, 8-/4-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
8
_______________________________________________________________________________________
Pin Description
MAX1263
MAX1261
FUNCTION
24
23
22
21
20
19
18
17
16
15
—
14
13
12
11
10
9
8
7
6
5
4
3
PIN
2
1
Digital Power Supply. VLOGIC powers the digital outputs of the data converter and can
range from +1.8V to (VDD + 300mV).
VLOGIC
28
Analog +5V Power Supply. Bypass with a 0.1F capacitor to GND.
VDD
27
Bandgap Reference Buffer Output/External Reference Input. Add a 4.7F capacitor to
GND when using the internal reference.
REF
26
Bandgap Reference Output/Bandgap Reference Buffer Input. Bypass to GND with a
0.01F capacitor. When using an external reference, connect REFADJ to VDD to disable
the internal bandgap reference.
REFADJ
25
Analog and Digital Ground
GND
24
Ground Reference for Analog Inputs. Sets zero-code voltage in single-ended mode and
must be stable to ±0.5 LSB during conversion.
COM
23
Analog Input Channel 0
CH0
22
Analog Input Channel 1
CH1
21
Analog Input Channel 2
CH2
20
Analog Input Channel 3
CH3
19
Analog Input Channel 4
CH4
18
Analog Input Channel 5
CH5
17
Analog Input Channel 6
CH6
16
Analog Input Channel 7
CH7
15
Active-Low Chip Select. When CS is high, digital outputs (D7–D0) are high impedance.
CS
14
Clock Input. In external clock mode, drive CLK with a TTL-/CMOS-compatible clock. In
internal clock mode, connect this pin to either VDD or GND.
CLK
13
Active-Low Write Select. When CS is low in internal acquisition mode, a rising edge on WR
latches in configuration data and starts an acquisition plus a conversion cycle. When CS is
low in external acquisition mode, the first rising edge on WR ends acquisition and starts a
conversion.
WR
12
Active-Low Read Select. If CS is low, a falling edge on RD enables the read operation on
the data bus.
RD
11
INT goes low when the conversion is complete and the output data is ready.
INT
10
Tri-State Digital I/O Line (D0, HBEN = 0; D8, HBEN = 1)
D0/D8
9
Tri-State Digital I/O Line (D1, HBEN = 0; D9, HBEN = 1)
D1/D9
8
Tri-State Digital I/O Line (D2, HBEN = 0; D10, HBEN = 1)
D2/D10
7
Tri-State Digital I/O Line (D3, HBEN = 0; D11, HBEN = 1)
D3/D11
6
Tri-State Digital I/O Line (D4)
D4
5
Tri-State Digital I/O Line (D5)
D5
4
Tri-State Digital I/O Line (D6)
D6
3
Tri-State Digital I/O Line (D7)
D7
2
High Byte Enable. Used to multiplex the 12-bit conversion result:
1: Four MSBs are multiplexed on the data bus.
0: Eight LSBs are available on the data bus.
HBEN
1
NAME
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1261BEEI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 250ksps 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 |
| MAX1261BEEI+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 250ksps 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 |
| MAX1261BEEI-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 |
| MAX1262ACEI | 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 |
| MAX1262ACEI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 400ksps 5.5V 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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