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| 型号： | MAX3325EAI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC TXRX DUAL RS232 LCD 28-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 46 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 2/2 |
| 规程： | RS232 |
| 电源电压： | 3 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 管件 |
MAX3325
3V Dual RS-232 Transceiver with
LCD Supply and Contrast Controller
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDD = +3.0V to +3.6V, VL = +3.3V, circuit and components of Figure 1, TA = TMIN to TMAX, unless otherwise noted. Typical values
are at VDD = +3.3V, TA = +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VDD, VL to GND ........................................................-0.3V to +6V
LCD, REF-, TEMP to GND .............................-6V to (VDD + 0.3V)
V+ to GND (Note 1) ..................................................-0.3V to +7V
V- to GND (Note 1) ...................................................+0.3V to -7V
V+ to |V-| (Note 1) ................................................................+13V
REF+, FB, R_OUT to GND ............................-0.3V to (VL + 0.3V)
Input Voltages
T_OUT,
SDLCD, SD232, UP, DOWN to GND.......-0.3V to +6V
R_IN to GND ....................................................................±25V
Output Voltages
T_OUT to GND.................................................................±13V
R_OUT to GND..........................................-0.3V to (VL + 0.3V)
REG to GND .........................................................-0.3V to +6V
Short-Circuit Duration (T_OUT, REF+, REF-) .............Continuous
Continuous Output Current
REG.................................................................................75mA
LCD .................................................................................40mA
Continuous Power Dissipation
28-Pin SSOP (derate 9.52mW/°C above +70°C) .........762mW
28-Pin NDIP (derate 14.3mW/°C above +70°C) ........1143mW
Operating Temperature Range
MAX3325C_I .......................................................0°C to +70°C
MAX3325E_I ....................................................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
Note 1: V+ and V- can have maximum magnitudes of +7V, but their absolute difference cannot exceed 13V.
VFB = 0, CMOS input
3V < VDD < 3.6V
1 transmitter loaded with
5k
, TA = +25°C
ITEMP < 22A
TA = +25°C
Guaranteed monotonic
No load
No load, VDD = VL = 3.3V, TA = +25°C
CONDITIONS
nA
-10
0
10
Input Leakage Current (Note 2)
mV
-20
0
20
Feedback Regulation Point
mA
50
Short-Circuit Current
mV
650
Line Regulation
4.7
5
5.3
mV/°C
-18
TEMP Voltage Temperature
Coefficient
V
-3.2
TEMP Output
k
35
50
65
Output Impedance
mV
-15
0
10
Zero-Scale Voltage
V
1.13
1.2
1.27
Full-Scale Voltage
Bits
6
A
0.5
10
VL Supply Current
mA
24
VDD Supply Current
UNITS
MIN
TYP
MAX
PARAMETER
SD232, SDLCD = GND; all input pins = GND or VDD;
VDD = VL = 3.3V; TA = +25°C
A
0.5
10
VDD Shutdown Supply Current
VLCD = -4.0V, load = 0 to -3mA
mV
20
LCD Load Regulation (Note 3)
V
5
REG Output Voltage
0 < VDAC < VREF+, IDAC ≤ 10A
No load
VCC ≥ 3.15V, IREG = 0 to
11mA
VCC ≥ 3.0V, IREG = 0 to
7mA
DC CHARACTERISTICS
DIGITAL-TO-ANALOG CONVERTER
TEMPERATURE SENSOR
POSITIVE LINEAR REGULATOR
NEGATIVE LINEAR REGULATOR—LCD BIAS
Resolution
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| MAX3325EAI+ | 功能描述:RS-232接口集成电路 3V Dual Tcvr w/LCD S&C Controller RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
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| MAX3325EAI-T | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX3325ENI | 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
| MAX332CPE | 功能描述:模拟开关 IC RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
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