AT84AD001BCTD ATMEL [ATMEL Corporation], AT84AD001BCTD Datasheet - Page 20
AT84AD001BCTD
Manufacturer Part Number
AT84AD001BCTD
Description
Dual 8-bit 1 Gsps ADC
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT84AD001BCTD.pdf
(60 pages)
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Digital Output Coding (Nominal Settings)
Table 9. Digital Output Coding (Nominal Setting)
Pin Description
Table 10. AT84AD001B LQFP 144 Pin Description
20
Differential
Analog Input
> 250 mV
250 mV
248 mV
1 mV
-1 mV
-248 mV
-250 mV
< -250 mV
Symbol
GNDA, GNDD, GNDO
V
V
V
V
V
V
V
CLKI
CLKIN
CLKQ
CCA
CCD
CCO
INI
INIB
INQ
INQB
AT84AD001B
Voltage Level
Positive full-scale + 1/2 LSB
Positive full-scale - 1/2 LSB
Bipolar zero + 1/2 LSB
Bipolar zero - 1/2 LSB
Negative full-scale + 1/2 LSB
Negative full-scale - 1/2 LSB
< Negative full-scale - 1/2 LSB
> Positive full-scale + 1/2 LSB
Pin number
124
125
129
10, 12, 22, 24, 36, 38, 40, 42, 44, 46, 51,
54, 59, 61, 63, 65, 67, 69, 85, 87, 97, 99,
109, 111, 130, 142, 144
41, 43, 45, 60, 62, 64
9, 21, 37, 39, 66, 68, 88, 100, 112, 123,
141
11, 23, 86, 98, 110, 143
57, 58
55, 56
47, 48
49, 50
I or Q (Binary Coding)
Digital Output
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 0
1 0 0 0 0 0 0 0
0 1 1 1 1 1 1 1
0 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
Function
Ground pins. To be connected to external
ground plane
Analog positive supply: 3.3V typical
3.3V digital supply
2.25V output and 3-wire serial interface
supply
In-phase (+) analog input signal of the
sample & hold differential preamplifier
channel I
Inverted phase (-) of analog input signal
(V
In-phase (+) analog input signal of the
sample & hold differential preamplifier
channel Q
Inverted phase (-) of analog input signal
(V
In-phase (+) clock input signal
Inverted phase (-) clock input signal
(CLKI)
In-phase (+) clock input signal
INI
INQ
)
)
Out-of-range Bit
2153C–BDC–04/04
1
1
0
0
0
0
0
0
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