参数资料
型号: MAX1247ACEE+T
厂商: Maxim Integrated Products
文件页数: 21/25页
文件大小: 0K
描述: IC ADC 12BIT SERIAL 16-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
位数: 12
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: 带卷 (TR)
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
MAX1246/MAX1247
+2.7V, Low-Power, 4-Channel,
Serial 12-Bit ADCs in QSOP-16
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +3.6V (MAX1246); VDD = +2.7V to +5.25V (MAX1247); COM = 0V; fSCLK = 2.0MHz; external clock (50% duty cycle);
15 clocks/conversion cycle (133ksps); MAX1246—4.7F capacitor at VREF pin; MAX1247—external reference, VREF = 2.5V applied
to VREF pin; TA = TMIN to TMAX; unless otherwise noted.)
V
3.0
VIH
VDD = 3.6V
DIN, SCLK, CS Input High Voltage
VDD > 3.6V, MAX1247 only
mV
±0.3
PSR
Supply Rejection (Note 10)
VDD = 2.7V to VDD(MAX), full-scale input,
external reference = 2.500V
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
±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
nA
±100
SHDN Maximum Allowed
Leakage, Mid Input
V
VDD / 2
VFLT
SHDN Voltage, Floating
SHDN = FLOAT
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
(Note 7)
VIN = 0V or VDD
VDD
≤ 3.6V
IDD
CONDITIONS
Positive Supply Current, MAX1246
A
1.2
2.0
A
±0.01
±10
IL
Three-State Leakage Current
V
VDD - 0.5
VOH
Output Voltage High
V
0.8
VOL
Output Voltage Low
0.4
2.70
3.60
pF
15
COUT
Three-State Output Capacitance
MAX1246
CS = VDD (Note 7)
CS = VDD
ISOURCE = 0.5mA
ISINK = 16mA
ISINK = 5mA
V
2.70
5.25
VDD
Positive Supply Voltage
MAX1247
0.9
1.5
Operating mode,
full-scale input
30
70
VDD = 5.25V
VDD = 3.6V
3.5
15
VDD = 5.25V
VDD = 3.6V
1.2
10
Full power-down
mA
1.8
2.5
30
70
1.2
10
Operating mode, full-scale input
Fast power-down
Full power-down
mA
V
1.1
VDD - 1.1
VSM
SHDN Input Mid Voltage
Fast power-down
IDD
A
Positive Supply Current, MAX1247
DIGITAL INPUTS (DIN, SCLK, CS, SHDN)
DIGITAL OUTPUTS (DOUT, SSTRB)
POWER REQUIREMENTS
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MAX1247AEEE+ 功能描述:模数转换器 - ADC 12-Bit 4Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX1247AEEE+T 功能描述:模数转换器 - ADC 12-Bit 4Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32