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| 型号： | MAX1195ECM+D |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/22页 |
| 文件大小： | 0K |
| 描述： | IC ADC 8BIT 40MSPS DL 48-TQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 250 |
| 位数： | 8 |
| 采样率（每秒）： | 40M |
| 数据接口： | 并联 |
| 转换器数目： | 2 |
| 功率耗散（最大）： | 108mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-TQFP 裸露焊盘 |
| 供应商设备封装： | 48-TQFP 裸露焊盘（7x7） |
| 包装： | 托盘 |
| 输入数目和类型： | 4 个单端，双极；2 个差分，双极 |
General Description
The MAX1195 is a 3V, dual, 8-bit analog-to-digital con-
verter (ADC) featuring fully differential wideband track-
and-hold (T/H) inputs, driving two ADCs. The MAX1195
is optimized for low-power, small size, and high-dynamic
performance for applications in imaging, instrumentation
and digital communications. This ADC operates from a
single 2.7V to 3.6V supply, consuming only 87mW while
delivering a typical signal-to-noise and distortion (SINAD)
of 48.5dB at an input frequency of 20MHz and a sam-
pling rate of 40Msps. The T/H-driven input stages incor-
porate 400MHz (-3dB) input amplifiers. The converters
may also be operated with single-ended inputs. In addi-
tion to low operating power, the MAX1195 features a
3mA sleep mode as well as a 0.1A power-down mode
to conserve power during idle periods.
An internal 2.048V precision bandgap reference sets
the full-scale range of the ADC. A flexible reference
structure allows the use of this internal or an externally
applied reference, if desired, for applications requiring
increased accuracy or a different input voltage range.
The MAX1195 features parallel, CMOS-compatible three-
state outputs. The digital output format can be set to two’s
complement or straight offset binary through a single con-
trol pin. The device provides for a separate output power
supply of 1.7V to 3.6V for flexible interfacing with various
logic families. The MAX1195 is available in a 7mm x 7mm,
48-pin TQFP package, and is specified for the extended
industrial (-40°C to +85°C) temperature range.
Pin-compatible higher speed versions of the MAX1195
are also available. Refer to the MAX1197 data sheet for
60Msps and the MAX1198 data sheet for 100Msps. In
addition to these speed grades, this family will include a
multiplexed output version (MAX1196, 40Msps), for
which digital data is presented time interleaved and on
a single, parallel 8-bit output port.
For a 10-bit, pin-compatible upgrade, refer to the
MAX1183 data sheet. With the N.C. pins of the MAX1195
internally pulled down to ground, this ADC becomes a
drop-in replacement for the MAX1183.
Applications
Features
o Single 2.7V to 3.6V Operation
o Excellent Dynamic Performance
48.5dB/46.7dB SINAD at fIN = 20MHz/200MHz
68.7dBc/55.7dBc SFDR at fIN = 20MHz/200MHz
o -72dB Interchannel Crosstalk at fIN = 20MHz
o Low Power
87mW (Normal Operation)
9mW (Sleep Mode)
0.3W (Shutdown Mode)
o 0.05dB Gain and ±0.05° Phase Matching
o Wide ±1VP-P Differential Analog Input Voltage
Range
o 400MHz -3dB Input Bandwidth
o On-Chip 2.048V Precision Bandgap Reference
o User-Selectable Output Format—Two’s
Complement or Offset Binary
o Pin-Compatible 8-Bit and 10-Bit Upgrades
Available
MAX1195
Dual, 8-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Parallel Outputs
________________________________________________________________ Maxim Integrated Products
1
N.C.
OGND
OVDD
OGND
N.C.
D0B
D1B
D2B
D3B
COM
VDD
GND
INA+
INA-
VDD
GND
INB-
INB+
GND
VDD
CLK
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
TQFP-EP
GND
V
DD
GND
V
DD
T/B
SLEEP
PD
OE
D7B
D6B
D5B
D4B
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
REFN
REFP
REFIN
REFOUT
D7A
D6A
D5A
D4A
D3A
D2A
D1A
D0A
MAX1195
Pin Configuration
Ordering Information
19-2410; Rev 0; 4/02
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Functional Diagram and Pin Compatible Upgrades table
appear at end of data sheet.
*EP = Exposed paddle
Baseband I/Q Sampling
Multichannel IF Sampling
Ultrasound and Medical
Imaging
Battery-Powered
Instrumentation
WLAN, WWAN, WLL,
MMDS Modems
Set-Top Boxes
VSAT Terminals
PART
TEMP RANGE
PIN-PACKAGE
MAX1195ECM
-40
°C to +85°C
48 TQFP-EP*
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1195ECM-TD | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1196ECM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1196ECM+D | 功能描述:模数转换器 - ADC 8-Bit 2Ch 40Msps 3V High Speed ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1196ECM+TD | 功能描述:模数转换器 - ADC 8-Bit 2Ch 40Msps 3V High Speed ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1196ECM-D | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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