D AC9377 Series
D ata Converter Line
Complete Buffered 16-Bit D AC
FEATURES
•
•
•
•
•
•
•
True 16-bit (0.0008% ) linearity
µP compatible
Complete
24-pin package
Low power — 450mW
Low cost
Binary or BCD code
DESCRIPTION
The DA C9377-16 is a complete, voltage output 16-bit
D/A converter with true 16-bit linearity. Complete
with storage registers, internal reference and output
amplifier, the DA C9377-16 provides the user with
exceptional performance and self-contained
operation. The input storage register is composed of
16 parallel latches — a system compatible with 16-bit
data bus interfaces. A single proprietary monolithic
chip contains switches, storage registers and other
electronics for high resolution and low linearity error.
TTL and CM OS compatibility combined with low
power dissipation in a ceramic 24-pin DIP makes the
DA C9377-16 unsurpassed in a high resolution data
conversion device.
True 16-Bit Linearity — 16-bit (±0.0008% ) linearity in
a 24-pin DIP is unequaled. No other microcircuit
converter does better. A dditional versions with 15-
and 14-bit linearity are also available.
Low Pow er — CM OS proprietary monolithic devices
in a unique circuit configuration yield the lowest
power dissipation (450 mW typ.) of any complete 16-
bit converter available.
Complete — No external components are required
for 16-bit conversion.
Input Storage Registers — Designed in one 16-bit
segment, the input storage register provides data
storage when latched, but is “ transparent” when
unlatched. The latch control is level triggered for
either static or dynamic operation.
Reliability — A proven performer, the DA C9377-16 is
packaged in a 24-pin ceramic DIP for the utmost in
reliability. Combined with our proprietary monolithic
device and automatic wirebonding, we‘ve made the
DA C9377-16 the most reliable device to date.
Reliability is further enhanced by batch-processed,
precision laser-trimmed resistor networks fabricated
in our own facility.
A dvanced designs, proven processes and continuous
monitoring during all production operations by our
quality control organization are combined with
rigorous A QL screening to provide the most
dependable, low cost D/A converter possible.
FUNCTIONAL DIAGRAM
(M SB)
BIT 1 2
8
16
7
6
DIGITA L INPUTS
3
5
4
4
5
3
6
1
7
8
9
10
11
12 13 14
(LSB)
15 16
17 16
24 23 22
21 20 19 18
LA TCH
CONTROL
INPUT REGISTER
DA C9377
–
+
5k*
10
V OUT
16-BIT M DA C
–
+
5k
5k
V OLTA GE REF
14
* TOLERA NCE ±30%
GA IN
A DJUST
12
+15V
15
– 15V
13
GND
13
13
SUM M ING
JUNCTION
BIPOLA R
165Cedar Hill Street,Marlborough,MA01752 Tel:508.485.6350 Fax: 508.485.5168
www.SpectrumMicrowave.com
DAC9377
TEM PERA TURE RA NGE
Operating
Storage
M ECHA NICA L
Case Style
Case Dimensions
24 pin. double-DIP
0ºCto+70ºC
–25ºCto +85ºC
NOTES:
* Same as DA C9377-16-6
1. Digital input voltage must not exceed supply voltage or go below –0.5V ;
2. Time. data must be stable before latch control goes to “ 0” .
3. Time, data must be stable after latch control goes to “ 0” .
4. See A PPLICA TIONS INFORM A TION for calibration procedure.
5. See A PPLICA TIONS NOTES.
6. Integral Linearity, for this product, is measured as the arithmetic mean value of the magnitudes of the greatest positive deviation and the
greatest negative deviation from the theoretical value for any given input combination.
7. Differential Linearity is the deviation of an output step from the theoretical value of 1 LSB for any two adjacent digital input codes.
1.310
(33.274)
MAX
24
13
0.80
(20.321)
MAX
0.165
(4.191)
MAX
Pin Connections
Unipolar Output: Ground pin 11 (No Connection for BCD)
Bipolar OutPut: Connect pin 11 to pin 9 (Binary Only)
PIN DESIGNA TIONS
0.600 ± 0.010
(15.24 ± 0.25)
PIN
1
1
PIN (1) INDEX
12
0.010 + 0.002 – 0.001
(0.25 + 0.005 – 0.003)
0.025 + 0.010
(0.64 + 0.25)
0.205
(5.21)
M IN
DIM ENSIONS
inches
(mm)
2
3
4
5
6
7
8
9
10
11
12
FUNCTION
Binary
BCD
2– 8
(100)
2– 7
(200)
2– 6
2– 5
2– 4
2– 3
2– 2
2– 1
OUT
BIPOLA R
+15V
N/C
(400)
(800)
(1000)
(2000)
(4000)
(8000)
PIN
24
23
22
21
20
19
18
17
16
15
14
13
FUNCTION
Binary
BCD
2– 9
(80)
2 – 10
2 – 11
2 – 12
2 – 13
2 – 14
2 – 15
2 – 16
-15V
GA IN A DJUST
GND
(40)
(20)
(10)
(8)
(4)
(2)
(1)
0.100 ±0.005 TY P
(2.54 ±0.13)
0.018 ±0.002
(0.46 ±0.05)
SUM M ING JUNCTION
LA TCH CONTROL
Note on BCD pin 11 must have no connection
Consult factory for application information.
ORDERING INFORM A TION
M ODEL
DA C9377-16-6
DA C9377-16-5
DA C9377.16-4
DA C9377-4D
DESCRIPTION
16-Bit DA C with 16-bit linearity
16-Bit DA C with 15-bit linearity
16-Bit DA C with 14-bit linearity
16-Bit 4 Decade BCD
Specifications subject to change without notice.
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