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| 型号： | MAX1368ECM+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/36页 |
| 文件大小： | 0K |
| 描述： | IC PANEL METER 3.5 DIG 48LQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 显示器类型： | LED |
| 配置： | 7 段显示 |
| 接口： | 串行 |
| 数字或字符： | A/D，3.5 位数字 |
| 电源电压： | 2.7 V ~ 5.25 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 带卷 (TR) |
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Microcontroller-Interface, 4.5-/3.5-Digit Panel
Meters with 4–20mA Output
ABSOLUTE MAXIMUM RATINGS
(With reference to GND, unless otherwise specified.)
AV DD , DV DD .................................................................... -0.3V to +6.0V
AIN+, AIN-, REF+, REF-.........................V NEGV to (AV DD + 0.3V)
REG_FORCE, CMP, DAC_VDD, DACVOUT,
CONV_IN, 4-20OUT .............................-0.3V to (AV DD + 0.3V)
EN_BPM, EN_I, REFSELE, DACDATA_SEL,
CLK, EOC , CS_DAC , SCLK, DIN
DOUT .....................................................-0.3V to (DV DD + 0.3V)
NEGV .......................................................-2.6V to (AV DD + 0.3V)
LED_EN....................................................-0.3V to (DV DD + 0.3V)
SET...........................................................-0.3V to (AV DD + 0.3V)
REG_AMP, REG_VDD ...........................................-0.3V to +6.0V
LEDG .....................................................................-0.3V to +0.3V
GND_DAC .............................................................-0.3V to +0.3V
GND_V/I.................................................................-0.3V to +0.3V
SEG_ to LEDG.........................................-0.3V to (V LEDV + 0.3V)
DIG_ to LEDG..........................................-0.3V to (V LEDV + 0.3V)
LOWBATT ................................................-0.3V to (AV DD + 0.3V)
REF_DAC .................................................-0.3V to (AV DD + 0.3V)
DACVOUT ................................................-0.3V to (AV DD + 0.3V)
DIG_ Sink Current .............................................................300mA
DIG_ Source Current...........................................................50mA
SEG_ Sink Current ..............................................................50mA
SEG_ Source Current..........................................................50mA
Maximum Current Input into Any Other Pin ........................50mA
Continuous Power Dissipation (T A = +70°C)
48-Pin TQFP (derate 22.7mW/°C above +70°C).....1818.2mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°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.
ELECTRICAL CHARACTERISTICS
(AV DD = DV DD = DAC_VDD = +2.7V to +5.25V, GND = 0, LEDG = 0, V LEDV = +2.7V to +5.25V, V REF+ - V REF- = 2.048V (external
reference), V EXT = 7V, V REG_AMP = +5.0V, C REF+ = 0.1μF, REF- = GND, C NEGV = 0.1μF. Internal clock mode, unless otherwise
noted. All specifications are at T A = T MIN to T MAX . Typical values are at T A = +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ADC ACCURACY
Noise-Free Resolution
MAX1366
MAX1368
-19,999
-1999
+19,999
+1999
Counts
Integral Nonlinearity (Note 1)
Range-Change Ratio
Rollover Error
Output Noise
INL
2.000V range
200mV range
(V AIN+ - V AIN- = 0.100V) on 200mV range;
(V AIN+ - V AIN- = 0.100V) on 2.0V range
V AIN+ - V AIN- = full scale
±1
±1
10:1
±1
10
Counts
Ratio
Counts
μV P-P
Offset Error (Zero Input Reading)
Gain Error
Offset Drift (Zero Reading Drift)
Gain Drift
V AIN+ - V AIN- = 0 (Note 2)
(Note 3)
V AIN+ - V AIN- = 0 (Note 4)
-0
-0.5
0.1
±1
+0
+0.5
Counts
%FSR
μV/°C
ppm/°C
INPUT CONVERSION RATE
External Clock Frequency
4.9152
MHz
External Clock Duty Cycle
Update Rate
Internal clock
External clock, f CLK = 4.9152MHz
40
5
5
60
%
Hz
ANALOG INPUTS (AIN+, AIN-) (bypass to GND with 0.1μF or greater capacitors)
AIN Input Voltage Range (Note 5)
RANGE bit = 0
RANGE bit = 1
-2.0
-0.2
+2.0
+0.2
V
2
_______________________________________________________________________________________
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