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參數(shù)資料
| 型號： | MAX1181ECM+D |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 5/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 10BIT 80MSPS DUAL 48-TQFP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 位數(shù)： | 10 |
| 采樣率（每秒）： | 80M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 功率耗散（最大）： | 291mW |
| 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： | 48-TQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 48-TQFP 裸露焊盤（7x7） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 4 個單端，雙極；2 個差分，雙極 |
| 產(chǎn)品目錄頁面： | 1396 (CN2011-ZH PDF) |
______________________________________________________________________________________________________
13
of the MAX1181 small-series resistors (e.g., 100
Ω), add
to the digital output paths, close to the MAX1181.
Figure 4 displays the timing relationship between out-
put enable and data output valid, as well as power-
down/wake-up and data output valid.
Power-Down (PD) and Sleep
(SLEEP) Modes
The MAX1181 offers two power-save modes; sleep and
full power-down mode. In sleep mode (SLEEP = 1),
only the reference bias circuit is active (both ADCs are
disabled) and current consumption is reduced to
2.8mA.
To enter full power-down mode, pull PD high. With OE
simultaneously low, all outputs are latched at the last
value prior to the power-down. Pulling OE high, forces
the digital outputs into a high-impedance state.
Applications Information
Figure 5 depicts a typical application circuit containing
two single-ended to differential converters. The internal
reference provides a VDD / 2 output voltage for level-
shifting purposes. The input is buffered and then split
to a voltage follower and inverter. One lowpass filter per
ADC suppresses some of the wideband noise associat-
ed with high-speed operational amplifiers. The user
may select the RISO and CIN values to optimize the fil-
ter performance to suit a particular application. For the
application in Figure 5, a RISO of 50
Ω is placed before
the capacitive load to prevent ringing and oscillation.
MAX1181
Dual 10-Bit, 80Msps, 3V, Low-Power ADC
with Internal Reference and Parallel Outputs
DIFFERENTIAL INPUT
VOLTAGE*
DIFFERENTIAL INPUT
STRAIGHT OFFSET
BINARY
T/B = 0
TWO’S COMPLEMENT
T/B = 1
VREF 511/512
+FULL SCALE - 1LSB
11 1111 1111
01 1111 1111
VREF 1/512
+ 1 LSB
10 0000 0001
00 0000 0001
0
Bipolar Zero
10 0000 0000
00 0000 0000
-VREF 1/512
- 1 LSB
01 1111 1111
11 1111 1111
-VREF 511/512
- FULL SCALE + 1 LSB
00 0000 0001
10 0000 0001
-VREF 512/512
- FULL SCALE
00 0000 0000
10 0000 0000
Table 1. MAX1181 Output Codes For Differential Inputs
N - 6
N
N - 5
N + 1
N - 4
N + 2
N - 3
N + 3
N - 2
N + 4
N - 1
N + 5
N
N + 6
N + 1
5 CLOCK-CYCLE LATENCY
ANALOG INPUT
CLOCK INPUT
DATA OUTPUT
D9A–D0A
tD0
tCH
tCL
N - 6
N - 5
N - 4
N - 3
N - 2
N - 1
N
N + 1
DATA OUTPUT
D9B–D0B
tCLK
Figure 3. System Timing Diagram
*VREF = VREFP - VREFN
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參數(shù)描述 |
|---|---|
| MAX1181ECM-TD | 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 |
| MAX1181EVKIT | 功能描述:電源管理IC開發(fā)工具 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX1182ECM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1182ECM+D | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 2Ch 65Msps High Speed 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 |
| MAX1182ECM+TD | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 2Ch 65Msps High Speed 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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