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參數(shù)資料
| 型號： | MAX1191ETI+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 11/27頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 8BIT 7.5MSPS DL 28-TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 位數(shù)： | 8 |
| 采樣率（每秒）： | 7.5M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 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-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 28-TQFN-EP（5x5） |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 4 個單端，雙極；2 個差分，雙極 |
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MAX1191
Ultra-Low-Power, 7.5Msps, Dual 8-Bit ADC
______________________________________________________________________________________
19
In idle mode, the pipeline ADCs, reference, and clock
distribution circuits are powered, but the outputs are
forced to tri-state. The wake-up time from idle mode is
dominated by the 5ns required for the output drivers to
start from tri-state. When the outputs transition from tri-
state to on, the last converted word is placed on the
digital outputs.
In the normal operating mode, all sections of the
MAX1191 are powered.
Applications Information
The circuit of Figure 7 operates from a single 3V supply
and accommodates a wide 0.5V to 1.5V input common-
mode voltage range for the analog interface between
an RF quadrature demodulator (differential, DC-cou-
pled signal source) and a high-speed ADC.
Furthermore, the circuit provides required SINAD and
SFDR to demodulate a wideband (BW = 3.84MHz),
QAM-16 communication link. RISO isolates the op amp
output from the ADC capacitive input to prevent ringing
and oscillation. CIN filters high-frequency noise.
MAX1191
INA+
COM
INA-
AV = 6V/V
VCOM = VDD/2
VCOM = 0.5V TO 1.5V
VSIG =
±85mVP-P
RISO
22
RISO
22
R11
600
R9
600
R2
300
OPERATIONAL AMPLIFIERS
CHOOSE EITHER OF THE MAX4452/MAX4453/MAX4454 SINGLE/
DUAL/QUAD +3V, 200MHz OP AMPS FOR USE WITH THIS CIRCUIT.
CONNECT THE POSITIVE SUPPLY RAIL (VCC) TO 3V. CONNECT THE
NEGATIVE SUPPLY RAIL (VEE) TO GROUND. DECOUPLE VCC WITH A
0.1
F CAPACITOR TO GROUND.
RESISTOR NETWORKS
RESISTOR NETWORKS ENSURE PROPER THERMAL AND TOLERANCE
MATCHING. FOR R1, R2, AND R3 USE A NETWORK SUCH AS VISHAY'S
3R MODEL NUMBER 300192. FOR R4–R11, USE A NETWORK SUCH AS
VISHAY'S 4R MODEL NUMBER 300197.
R10
600
R8
600
R5
600
R4
600
R7
600
R6
600
CIN
5pF
CIN
5pF
R1
600
R3
600
Figure 7. DC-Coupled Differential Input Driver
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1192ETI | 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 |
| MAX1192ETI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 22Msps 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 |
| MAX1192ETI+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 2Ch 22Msps 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 |
| MAX1192ETI-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 |
| MAX1193ETI | 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 |
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