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ADC76 Datenblatt(PDF) 4 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
Teilenummer ADC76
Bauteilbeschribung  16-Bit ANALOG-TO-DIGITAL CONVERTER
PDF  8 Pages
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Hersteller  BURR-BROWN [Burr-Brown (TI)]
Direct Link  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

ADC76 Datenblatt(HTML) 4 Page - Burr-Brown (TI)

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®
ADC76
4
“0”
“1”
“1”
“0”
“0”
“1”
“1”
“1”
“0”
“1”
“1”
“0”
“1”
“0”
“0”
“1”
“1”
“0”
“0”
“0”
“1”
“1”
“1”
“1”
“1”
“1”
“0”
“0”
“0”
“1”
“1”
“0”
MSB
1
2
34
5
6
7
8
9
10
11
12
13
14
15
16
Maximum Throughput Time
Conversion Time
(2)
Convert Command
(1)
Internal Clock
Status (EOC)
MBS
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Bit 8
Bit 9
Bit 10
Bit 11
Bit 12
Bit 13
Bit 14
Bit 15
Bit 16
Serial Data Out
NOTES: (1) The convert command must be at least 50ns wide and must remain low during a conversion. The conversion is
initiated by the “trailing edge” of the convert command. (2) 17
µs for 16 bits.
FIGURE 1. ADC76 Timing Diagram.
40-125ns
Bit 16
Status
Bit 16
Valid
FIGURE 2. Timing Relationship of Serial Data to Clock.
FIGURE 3. Timing Relationship of Valid Data to Status.
BINARY
(BIN) OUTPUT
INPUT VOLTAGE RANGE AND LSB VALUES
Analog Input
Voltage Range
Defined As:
±10V
±5V
±2.5V
0 to +10V
0 to +5V
0 to +20V
Code
COB(1)
COB(1)
COB(1)
Designation
or CTC(2)
or CTC(2)
or CTC(2)
CSB(3)
CSB(3)
CSB(3)
One Least
FSR
20V
10V
5V
10V
5V
20V
Significant
2 n
2 n
2 n
2 n
2 n
2 n
2 n
Bit (LSB)
n = 12
4.88mV
2.44mV
1.22mV
2.44mV
1.22mV
4.88mV
n = 13
2.44mV
1.22mV
610
µV
1.22mV
610
µV
2.44mV
n = 14
1.22mV
610
µV
305
µV
610
µV
305
µV
1.22mV
Transition Values
MSB LSB
000 ... 000(4)
+Full Scale
+10V–3/2LSB
+5V–3/2LSB
+2.5V–3/2LSB
+10V–3/2LSB
+5V–3/2LSB
+20V–3/2LSB
011 ... 111
Mid Scale
0
0
0
+5V
+2.5V
+10V
111 ... 110
–Full Scale
–10V +1/2LSB
–5V +1/2LSB
–2.5V +1/2LSB
0 +1/2LSB
0 +1/2LSB
0 +1/2LSB
NOTES: (1) COB = Complementary Offset Binary. (2) Complementary Two’s Complement—obtained by inverting the most significant bit MSB (pin 1).
(3) CSB = Complementary Straight Binary. (4) Voltages given are the nominal value for transition to the code specified.
Serial
Out
Clock
Out
40-125ns
40-125ns
TABLE I. Input Voltages, Transition Values, LSB Values, and Code Definitions.



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