78M6618-IM/F Maxim Integrated Products, 78M6618-IM/F Datasheet - Page 21

• Manufacturer Part Number: 78M6618-IM/F
• Description: IC PWR MEASUREMENT OCTAL 68-QFN
• Manufacturer: Maxim Integrated Products
• Type: Octal Power and Energy Measurement ICr

Specifications of 78M6618-IM/F

• Core: 80515
• Core Architecture: 80515
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: SPI, UART
• Maximum Clock Frequency: 500 KHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Programmable I/os: 19
• Number Of Timers: 1
• On-chip Adc: 21 bit, 10 Channel
• Operating Supply Voltage: 3.3 V
• Package / Case: QFN-68
• Processor Series: 78M6618
• Program Memory Size: 128 KB
• Program Memory Type: Flash
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS_6618_005
2.4.15 ADC Converter, V3P3A Referenced
Table 19
FIR_LEN=0, VREF_DIS=0 and LSB values do not include the 9-bit left shift at the CE input.
1
Rev. 1.4
Parameter
Recommended Input Range
(Vin-V3P3A)
Voltage to Current Crosstalk
THD (First 10 harmonics)
Input Impedance
Temperature coefficient of Input
Impedance
LSB size
L = FIR length
Digital Full Scale
L = FIR length
Input Offset (Vin-V3P3A)
Guaranteed by design; not production tested.
V
A
%Power Supply Variation
10
10
LSB
DC Gain Error versus
6
6
=
*
100
250 mV-pk
20 mV-pk
∆
Vcrosstalk
V
Nout
Vin
REF
 L


∆
3
shows the performance specifications for the ADC converter, V3P3A referenced. For this data,
⋅
V



. 1
. 4
3
PK
3
25
75
P
357
⋅
3



A
cos(
3
L
nV
3 /



3
3 .
∠
/
[M40MHZ,
M26MHZ] =
[00], [10], or [11]
[M40MHZ,
M26MHZ] =
[M40MHZ,
M26MHZ] =
[00], [10], or [11]
[M40MHZ,
M26MHZ] =
[01]
[01]
V
Vin
IN
−
Table 19: ADC Converter Performance Specifications
∠
1
Vcrosstalk
:
)
Vin = 200 mV peak,
65 Hz, on VA.
Vcrosstalk = largest
measurement on IA or IB
Vin=65 Hz,
64 kpts FFT, Blackman-
Harris window
CKCE = 5 MHz
Vin = 65 Hz
Vin = 65 Hz
FIR_LEN=0
FIR_LEN=1
FIR_LEN=0
FIR_LEN=0
FIR_LEN=1
FIR_LEN=0
Vin=200 mV pk, 65 Hz
V3P3A=3.0 V, 3.6 V
Condition
-250
Min
-10
-10
40
1
±884736
±238328
±97336
3231
1319
Typ
355
1.7
78M6618 Data Sheet
Max
250
10
-75
-90
90
50
10
1
ppm/%
peak
µV/V
Ω/°C
Unit
LSB
LSB
LSB
LSB
mV
nV/
nV/
mV
dB
dB
kΩ
21