參數(shù)資料
型號(hào)： DS229SN
廠商： DALLAS SEMICONDUCTOR
元件分類： Line Driver or Receiver
英文描述： LINE TRANSCEIVER, PDSO20
封裝： SOIC-20
文件頁數(shù)： 12/47頁
文件大?。?/td> 413K
代理商： DS229SN
MAX1464
Low-Power, Low-Noise Multichannel
Sensor Signal Processor
2
Maxim Integrated
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VDDF = VDD = 4.5V to 5.5V, VSSF = VSS = 0V, fCLK = 4.0MHz, TA = TMIN to TMAX. Typical values are at VDDF = VDD = 5.0V, VSSF = VSS = 0V,
TA = +25°C, unless otherwise noted.) (Note 1)
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 to VSS .............................................................-0.3V to +6.0V
VDDF to VSS ...........................................................-0.3V to +6.0V
VSSF to VSS ............................................................-0.3V to +0.3V
All Other Pins to VSS...................................-0.3V to (VDD + 0.3V)
Continuous Power Dissipation (TA = +70°C)
28-Pin SSOP (derate 9.1mW/°C above +70°C) ..........727mW
Operating Temperature Ranges
MAX1464CAI .....................................................0°C to +70°C
MAX1464C/W.....................................................0°C to +70°C
MAX1464EAI...................................................-40°C to +85°C
MAX1464AAI ................................................-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) ................................ +300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY
Supply Voltage
VDD
VSS = VSSF = 0V
4.5
5.0
5.5
V
FLASH Supply Voltage
VDDF
VSS = VSSF = 0V
4.5
5.0
5.5
V
Base Operating Current
IBO
CPU stopped (Note 2)
575
720
890
A
CPU Current
ICPU
All modules off, CPU = on, additive to IBO,
ICPU = IDD + IDDF (Note 3)
540
840
1240
A
All modules off, ADC = on, ADC clk =
1MHz, additive to IBO; the CPU and ADC
are not on at the same time
690
1040
1394
ADC Current (Note 3)
IADC
All modules off, ADC = on, ADC clk = 7kHz,
additive to IBO; the CPU and ADC are not
on at the same time
465
765
1060
A
DAC Current
IDACn
All modules off, DAC = on, additive to IBO
(n = 1 or 2) (Note 4)
425
550
730
A
Large Op-Amp Current
IOPLGn
All modules off, CPU stopped, large op
amp = on (n = 1 or 2)
430
673
1020
A
Small Op-Amp Current
IOPSMn
All modules off, CPU stopped, small op
amp = on (n = 1 or 2)
110
190
265
A
POWER-ON RESET
VDDF POR Threshold
VDD > VDDF
3.6
4.0
4.3
V
VDDF POR Hysteresis
-0.85
V
ANALOG INPUT
PGA[4:0] = 00000, CLK[2:0] = 000
430
PGA[4:0] = 01010, CLK[2:0] = 000
55
PGA[4:0] = 11111, CLK[2:0] = 000
36
k
Ω
PGA[4:0] = 00000, CLK[2:0] = 011
3.4
M
Ω
PGA[4:0] = 01010, CLK[2:0] = 011
440
PGA[4:0] = 11111, CLK[2:0] = 011
288
k
Ω
PGA[4:0] = 00000, CLK[2:0] = 110
27
PGA[4:0] = 01010, CLK[2:0] = 110
3.5
Differential Input Impedance
(INP1 to INM1 and
INP2 to INM2)
RDIN
PGA[4:0] = 11111, CLK[2:0] = 110
2.3
M
Ω
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