参数资料
型号: MAX1248BCEE+
厂商: Maxim Integrated Products
文件页数: 18/24页
文件大小: 0K
描述: IC ADC 10BIT SERIAL 16-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 100
位数: 10
采样率(每秒): 133k
数据接口: MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 667mW
电压电源: 单电源
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 管件
输入数目和类型: 4 个单端,单极;4 个单端,双极;2 个差分,单极;2 个差分,双极
MAX1248/MAX1249
+2.7V to +5.25V, Low-Power, 4-Channel,
Serial 10-Bit ADCs in QSOP-16
_______________________________________________________________________________________
3
Multiplexer Leakage Current
pF
15
CIN
DIN, SCLK, CS Input Capacitance
A
±0.01
±1
IIN
DIN, SCLK, CS Input Leakage
V
0.2
VHYST
DIN, SCLK, CS Input Hysteresis
V
0.8
VIL
DIN, SCLK, CS Input Low Voltage
2.0
A
0.01
10
Shutdown VREF Input Current
k
18
25
VREF Input Resistance
A
100
150
VREF Input Current
V
1.0
VDD +
50mV
VREF Input Voltage Range
(Note 9)
pF
16
Input Capacitance
0 to VREF
V
±VREF / 2
Input Voltage Range, Single-
Ended and Differential (Note 6)
A
±0.01
±1
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
(Note 10)
VIN = 0V or VDD
Unipolar, COM = 0V
VDD ≤ 3.6V
VREF = 2.500V
Bipolar, COM = VREF / 2
On/off leakage current, VCH_ = 0V or VDD
CONDITIONS
A
±4.0
IS
SHDN Input Current
V
0.4
VSL
SHDN Input Low Voltage
V
VDD - 0.4
VSH
SHDN Input High Voltage
SHDN = 0V or VDD
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +5.25V; COM = 0V; fSCLK = 2.0MHz; external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps);
MAX1248—4.7F capacitor at VREF pin; MAX1249—external reference, VREF = 2.500V applied to VREF pin; TA = TMIN to TMAX,
unless otherwise noted.)
V
3.0
VIH
DIN, SCLK, CS Input High Voltage
VDD > 3.6V
V
2.470
2.500
2.530
VREF Output Voltage
TA = +25°C (Note 7)
mA
30
VREF Short-Circuit Current
ppm/°C
±30
VREF Temperature Coefficient
MAX1248
F
0
Capacitive Bypass at VREF
Internal compensation mode
4.7
External compensation mode
mV
0.35
Load Regulation (Note 8)
0mA to 0.2mA output load
F
0.01
Capacitive Bypass at REFADJ
±1.5
REFADJ Adjustment Range
%
V
VDD -
0.5
REFADJ Buffer-Disable Threshold
Capacitive Bypass at VREF
Internal compensation mode
0
F
External compensation mode
4.7
Reference-Buffer Gain
MAX1248
2.06
V/V
MAX1249
2.00
REFADJ Input Current
MAX1248
±50
A
MAX1249
±10
V
1.1
VDD - 1.1
VSM
SHDN Input Mid Voltage
ANALOG/COM INPUTS
EXTERNAL REFERENCE AT VREF (Buffer disabled)
DIGITAL INPUTS (DIN, SCLK, CS, SHDN)
EXTERNAL REFERENCE AT REFADJ
INTERNAL REFERENCE (MAX1248 only, reference buffer enabled)
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