参数资料
型号: MAX1448EHJ+
厂商: Maxim Integrated Products
文件页数: 2/21页
文件大小: 0K
描述: IC ADC 10BIT 80MSPS 32-TQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 360
位数: 10
采样率(每秒): 80M
数据接口: 并联
转换器数目: 1
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: 32-TQFP
供应商设备封装: 32-TQFP(5x5)
包装: 托盘
输入数目和类型: 2 个单端,双极;1 个差分,双极
MAX1448
10-Bit, 80Msps, Single 3.0V, Low-Power
ADC with Internal Reference
10
______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1
REFN
Lower Reference. Conversion range is
±(VREFP - VREFN). Bypass to GND with a >0.1F
capacitor.
2
COM
Common-Mode Voltage Output. Bypass to GND with a >0.1F capacitor.
3, 9, 10
VDD
Analog Supply Voltage. Bypass to GND with a capacitor combination of 2.2F in parallel with
0.1F.
4, 5, 8, 11,
14, 30
GND
Analog Ground
6
IN+
Positive Analog Input. For single-ended operation, connect signal source to IN+.
7IN-
Negative Analog Input. For single-ended operation, connect IN- to COM.
12
CLK
Conversion Clock Input
13
PD
Power-Down Input
High: power-down mode
Low: normal operation
15
OE
Output Enable Input
High: digital outputs disabled
Low: digital outputs enabled
16–20
D9–D5
Three-State Digital Outputs D9–D5. D9 is the MSB.
21
OVDD
Output Driver Supply Voltage. Bypass to GND with a capacitor combination of 2.2F in
parallel with 0.1F.
22
T.P.
Test Point. Do not connect.
23
OGND
Output Driver Ground
24–28
D4–D0
Three-State Digital Outputs D4–D0. D0 is the LSB.
29
REFOUT
Internal Reference Voltage Output. May be connected to REFIN through a resistor or a
resistor-divider.
31
REFIN
Reference Input. VREFIN = 2
× (VREFP - VREFN). Bypass to GND with a >0.1F capacitor.
32
REFP
Upper Reference. Conversion range is
±(VREFP - VREFN). Bypass to GND with a >0.1F
capacitor.
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