Rainbow Electronics MAX12553 - Manual (Page 19)

MAX12553
14-Bit, 65Msps, 3.3V ADC
______________________________________________________________________________________ 19
GRAY CODE
OUTPUT CODE
(G/
T
= 1)
TWO’S-COMPLEMENT
OUTPUT CODE
(G/
T
= 0)
BINARY
D13
➝
D0
DOR
HEXADECIMAL
EQUIVALENT
OF
D13
➝
D0
DECIMAL
EQUIVALENT
OF
D13
➝
D0
(CODE
10
)
BINARY
D13
➝
D0
DOR
HEXADECIMAL
EQUIVALENT
OF
D13
➝
D0
DECIMAL
EQUIVALENT
OF
D13
➝
D0
(CODE
10
)
V
INP
- V
INN
V
REFP
= 2.418V
V
REFN
= 0.882V
10 0000
0000 0000
1
0x2000
+16383
01 1111
1111 1111
1
0x1FFF
+8191
>+1.023875V
(DATA OUT OF
RANGE)
10 0000
0000 0000
0
0x2000
+16383
01 1111
1111 1111
0
0x1FFF
+8191
+1.023875V
10 0000
0000 0001
0
0x2001
+16382
01 1111
1111 1110
0
0x1FFE
+8190
+1.023750V
11 0000
0000 0011
0
0x3003
+8194
00 0000
0000 0010
0
0x0002
+2
+0.000250V
11 0000
0000 0001
0
0x3001
+8193
00 0000
0000 0001
0
0x0001
+1
+0.000125V
11 0000
0000 0000
0
0x3000
+8192
00 0000
0000 0000
0
0x0000
0
+0.000000V
01 0000
0000 0000
0
0x1000
+8191
11 1111
1111 1111
0
0x3FFF
-1
-0.000125V
01 0000
0000 0001
0
0x1001
+8190
11 1111
1111 1110
0
0x3FFE
-2
-0.000250V
00 0000
0000 0001
0
0x0001
+1
10 0000
0000 0001
0
0x2001
-8191
-1.023875V
00 0000
0000 0000
0
0x0000
0
10 0000
0000 0000
0
0x2000
-8192
-1.024000V
00 0000
0000 0000
1
0x0000
0
10 0000
0000 0000
1
0x2000
-8192
<-1.024000V
(DATA OUT OF
RANGE)
()
Table 2. Output Codes vs. Input Voltage