ADS-919MM-C Murata, ADS-919MM-C Datasheet - Page 3

• Manufacturer Part Number: ADS-919MM-C
• Description: 0 to +10v input range, no pipeline delays, -55 c to +125 c temperature range, rohs compliant....
• Manufacturer: Murata

1. Obtaining fully specifi ed performance from the ADS-919 requires care-
2. The ADS-919 achieves its specifi ed accuracies without the need for exter-
DATEL
➀ All power supplies must be on before applying a start convert pulse. All supplies and
➁ See Ordering Information for availability of ±5V input range. Contact DATEL for
➂ A 2MHz clock with a 200ns wide start convert pulse is used for all production testing.
ANALOG OUTPUT
Internal Reference
External Current
DIGITAL OUTPUTS
Logic Levels
Delay, Falling Edge of EOC to
Output Coding
POWER REQUIREMENTS , ±15V
Power Supply Ranges
Power Supply Currents
Power Dissipation
Power Supply Rejection
POWER REQUIREMENTS, ±12V
Power Supply Ranges
Power Supply Currents
Power Dissipation
Power Supply Rejection
Footnotes:
TECHNICAL NOTES
the clock (START CONVERT) must be present during warmup periods. The device
must be continuously converting during this time. There is a slight degradation in
performance when using ±12V supplies.
availability of other input voltage ranges.
See Timing Diagram for more details.
Bypass all power supplies and the REFERENCE OUTPUT (pin 21) to ground
ful attention to pc-card layout and power supply decoupling. The device's
analog and digital ground systems are connected to each other internally.
For optimal performance, tie all ground pins (14, 19 and 23) directly to a
large analog ground plane beneath the package.
with 4.7μF tantalum capacitors in parallel with 0.1μF ceramic capacitors.
Locate the bypass capacitors as close to the unit as possible. If the user-
installed offset and gain adjusting circuit shown in Figure 2 is used, also
locate it as close to the ADS-919 as possible.
nal calibration. If required, the device's small initial offset and gain errors
Voltage
Drift
Logic "1"
Logic "0"
Logic Loading "1"
Logic Loading "0"
Output Data Valid
+15V Supply
–15V Supply
+5V Supply
+15V Supply
–15V Supply
+5V Supply
+12V Supply
–12V Supply
+5V Supply
+12V Supply
–12V Supply
+5V Supply
®
+9.95
+14.5
–14.5
+4.75
+11.5
–11.5
+4.75
+2.4
MIN.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
®
• 11 Cabot Boulevard, Mansfi eld, MA 02048-1151 USA • Tel: [phone] • www.datel.com • e-mail: [e-mail]
0 TO +70°C
+10.0
+15.0
+12.0
–15.0
–12.0
+5.0
+5.0
+45
+85
+45
+85
TYP.
–45
–45
1.8
1.5
±5
—
—
—
—
—
—
—
—
+10.05
+15.5
+5.25
±0.02
+12.5
+5.25
±0.02
–15.5
–12.5
MAX.
+0.4
+60
–60
+95
+65
–60
+95
1.5
2.2
1.7
+4
—
—
–4
35
+9.95
+14.5
+4.75
+11.5
+4.75
–14.5
–11.5
+2.4
MIN.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3. When operating the ADS-919 from ±12V supplies, do not drive external
4. Applying a start convert pulse while a conversion is in progress (EOC =
➃ Effective bits is equal to:
➄ This is the time required before the A/D output data is valid once the analog input is
(SNR + Distortion) – 1.76 + 20 log
–40 TO +85°C
Straight Binary
14-Bit, 2MHz, Low-Power Sampling A/D Converters
can be reduced to zero using the input circuit of Figure 2. When using this
circuit, or any similar offset and gain-calibration hardware, make adjust-
ments following warmup. To avoid interaction, always adjust offset before
gain.
circuitry with the REFERENCE OUTPUT. The reference's accuracy and drift
specifi cations may not be met, and loading the circuit may cause accuracy
errors within the converter.
logic "1") initiates a new and inaccurate conversion cycle. Data from the
interrupted and subsequent conversions will be invalid.
back within the specifi ed range.
+10.0
+15.0
+12.0
–15.0
–12.0
+5.0
+5.0
TYP.
+45
–45
+85
+45
–45
+85
1.8
1.5
±5
—
—
—
—
—
—
—
—
+10.05
+15.5
+5.25
±0.02
+12.5
+5.25
±0.02
–15.5
–12.5
MAX.
+0.4
+60
+95
+65
+95
–60
–60
1.5
2.2
1.7
—
—
–4
+4
35
6.02
+9.95
+14.5
+4.75
+11.5
+4.75
–14.5
–11.5
+2.4
MIN.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
–55 to +125°C
Actual Input Amplitude
Full Scale Amplitude
+10.0
+15.0
+12.0
–15.0
–12.0
+5.0
+5.0
+45
+85
+45
+85
TYP.
–45
–45
±5
1.8
1.5
—
—
—
—
—
—
—
—
MDA_ADS-919.B03 Page 3 of 9
+10.05
+15.5
+5.25
±0.02
+12.5
+5.25
±0.02
–15.5
–12.5
MAX.
+0.4
+60
–60
+95
+65
–60
+95
1.5
2.2
1.7
+4
—
—
–4
35
ADS-919
%FSR/%V
%FSR/%V
ppm/°C
UNITS
Watts
Watts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
mA
mA
mA
mA
mA
mA
mA
mA
mA
ns