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參數資料
| 型號： | MAX1293AEEG+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 19/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT 250KSPS 24-QSOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 位數： | 12 |
| 采樣率（每秒）： | 250k |
| 數據接口： | 并聯 |
| 轉換器數目： | 1 |
| 功率耗散（最大）： | 762mW |
| 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： | 24-SSOP（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 24-QSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數目和類型： | 4 個單端，單極；4 個單端，雙極；2 個偽差分，單極；2 個偽差分，雙極 |
MAX1291/MAX1293
250ksps, +3V, 8-/4-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
8
_______________________________________________________________________________________
Pin Description
NAME
1
HBEN
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.
2
D7
Three-State Digital I/O Line (D7)
3
D6
Three-State Digital I/O Line (D6)
4
D5
Three-State Digital I/O Line (D5)
5
D4
Three-State Digital I/O Line (D4)
6
D3/D11
Three-State Digital I/O Line (D3, HBEN = 0; D11, HBEN = 1)
7
D2/D10
Three-State Digital I/O Line (D2, HBEN = 0; D10, HBEN = 1)
8
D1/D9
Three-State Digital I/O Line (D1, HBEN = 0; D9, HBEN = 1)
9
D0/D8
Three-State Digital I/O Line (D0, HBEN = 0; D8, HBEN = 1)
10
INT
INT goes low when the conversion is complete and the output data is ready.
11
RD
Active-Low Read Select. If CS is low, a falling edge on RD enables the read operation on
the data bus.
12
WR
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.
13
CLK
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.
14
CS
Active-Low Chip Select. When CS is high, digital outputs (INT, D7–D0) are high imped-
ance.
15
CH7
Analog Input Channel 7
16
CH6
Analog Input Channel 6
17
CH5
Analog Input Channel 5
18
CH4
Analog Input Channel 4
19
CH3
Analog Input Channel 3
20
CH2
Analog Input Channel 2
21
CH1
Analog Input Channel 1
22
CH0
Analog Input Channel 0
23
COM
Ground Reference for Analog Inputs. Sets zero-code voltage in single-ended mode and
must be stable to ±0.5 LSB during conversion.
24
GND
Analog and Digital Ground
25
REFADJ
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.
26
REF
Bandgap Reference Buffer Output/External Reference Input. Add a 4.7F capacitor to
GND when using the internal reference.
27
VDD
Analog +5V Power Supply. Bypass with a 0.1F capacitor to GND.
28
VLOGIC
Digital Power Supply. VLOGIC powers the digital outputs of the data converter and can
range from +1.8V to VDD + 300mV.
1
2
PIN
3
4
5
6
7
8
9
10
11
12
13
14
—
15
16
17
18
19
20
21
22
23
24
FUNCTION
MAX1291
MAX1293
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX1293BCEG | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1293BCEG+ | 功能描述:模數轉換器 - ADC 12-Bit 4Ch 250ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1293BCEG+T | 功能描述:模數轉換器 - ADC 12-Bit 4Ch 250ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1293BCEG-T | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1293BEEG | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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