參數(shù)資料
型號: 78M6618-IM/F/P
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 模擬信號調理
英文描述: SPECIALTY ANALOG CIRCUIT, QCC68
封裝: 8 X 8 MM, ROHS COMPLIANT, TQFN-68
文件頁數(shù): 14/32頁
文件大小: 419K
代理商: 78M6618-IM/F/P
DS_6618_005
78M6618 Data Sheet
Rev. 1.4
21
2.4.15 ADC Converter, V3P3A Referenced
Table 19 shows the performance specifications for the ADC converter, V3P3A referenced. For this data,
FIR_LEN=0, VREF_DIS=0 and LSB values do not include the 9-bit left shift at the CE input.
Table 19: ADC Converter Performance Specifications
Parameter
Condition
Min
Typ
Max
Unit
Recommended Input Range
(Vin-V3P3A)
-250
250
mV
peak
Voltage to Current Crosstalk
)
cos(
*
10
6
Vcrosstalk
Vin
Vcrosstalk
Vin = 200 mV peak,
65 Hz, on VA.
Vcrosstalk = largest
measurement on IA or IB
-10
1
10
1
V/V
THD (First 10 harmonics)
1:
250 mV-pk
20 mV-pk
Vin=65 Hz,
64 kpts FFT, Blackman-
Harris window
CKCE = 5 MHz
-75
-90
dB
Input Impedance
Vin = 65 Hz
40
90
Temperature coefficient of Input
Impedance
Vin = 65 Hz
1.7
Ω/°C
LSB size
3
75
.
4
25
.
1
=
L
V
REF
LSB
L = FIR length
[M40MHZ,
M26MHZ] =
[00], [10], or [11]
FIR_LEN=0
FIR_LEN=1
3231
355
nV/
LSB
[M40MHZ,
M26MHZ] =
[01]
FIR_LEN=0
1319
nV/
LSB
Digital Full Scale
3
L
L = FIR length
[M40MHZ,
M26MHZ] =
[00], [10], or [11]
FIR_LEN=0
FIR_LEN=1
±97336
±884736
LSB
[M40MHZ,
M26MHZ] =
[01]
FIR_LEN=0
±238328
LSB
A
DC Gain Error versus
%Power Supply Variation
3
.
3
/
3
100
/
357
10
6
A
P
V
nV
Nout
IN
PK
Vin=200 mV pk, 65 Hz
V3P3A=3.0 V, 3.6 V
50
ppm/%
Input Offset (Vin-V3P3A)
-10
10
mV
1 Guaranteed by design; not production tested.
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