参数资料
型号: 78M6612-IMR/F
厂商: Maxim Integrated
文件页数: 34/46页
文件大小: 0K
描述: IC POWER MEASUREMENT AC 68-QFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: *
78M6612 Data Sheet
4.4.12 ADC Converter, V3P3A Referenced
FIR_LEN =0, VREF_DIS =0, LSB values do not include the 9-bit left shift at CE input.
Table 19: ADC Converter Performance Specifications
DS_6612_001
10 6 * Vcrosstalk
cos( ∠ Vin ? ∠ Vcrosstalk )
Parameter
Recommended Input Range
(Vin- V3P3A )
Voltage to Current Crosstalk:
Vin
THD (First 10 harmonics)
250 mV-pk
20 mV-pk
Input Impedance
Condition
Vin = 200 mV peak,
65 Hz, on VA
Vcrosstalk = largest
measurement on IA or IB
Vin=65 Hz,
64 kpts FFT, Blackman-
Harris window
Vin=65 Hz
Min
-250
-10
40
Typ
Max
250
10
-75
-90
90
Unit
mV
peak
μV/V
dB
dB
Temperature coefficient of Input
Impedance
LSB size
Digital Full Scale
ADC Gain Error vs
%Power Supply Variation
10 6 ? Nout PK 357 nV / V IN
100 ? V 3 P 3 A / 3 . 3
Input Offset (Vin-V3P3A)
Vin=65 Hz
FIR_LEN =0
FIR_LEN =1
FIR_LEN =0
FIR_LEN =1
Vin=200 mV pk, 65 Hz
V3P3A=3.0V, 3.6V
-10
1.7
357
151
+884736
±2097152
50
10
Ω/°C
nV/LSB
LSB
ppm/%
mV
4.4.13 UART1 Interface
Table 20: UART1 Interface Performance Specifications
Parameter
TX1 V OH (V3P3D-TX1)
TX1 V OL
Condition
I SOURCE =1 mA
I SINK =20 mA
Min
Typ
Max
0.4
0.7
Unit
V
V
4.4.14 Temperature Sensor
Table 21: Temperature Sensor Performance Specifications
Parameter
Condition
Min
Typ
Max
Unit
Nominal Sensitivity (S n )
ERR = T ? ? ?
+ T n ? ?
10
?
Nominal (N n ) ? ?
Temperature Error ?
? ( N ( T ) ? N n )
? S n
?
?
T A =25oC, T A =75oC,
FIR_LEN = 1
Nominal relationship:
N(T)= S n *(T-T n )+N n
T A = -40oC to +85oC
Tn = 25°C
-10
-2180
1.0
+10
LSB/oC
6
LSB
oC
LSB values do not include the 9-bit left shift at CE input.
N n is measured at T n during calibration and is stored in MPU or CE for use in temperature calculations.
?
??
34
Rev 2
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