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Anloy Technologies

AT912AXS Datasheet Preview

AT912AXS Datasheet

High Speed 12-Bit A/D Converter

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Anloy Technologies
General Description
High Speed 12-Bit A/D Converter
with External Reference Input
AT912AXS
The AT912AXS is a custom replacement device
manufactured by Anloy Technologies designed to be a
near identical solution for the obsolete ADC912A in
applications where the HBEN function of the ADC912 is
not required. The AT912AXS is also custom
manufactured to exceed the original ADC912A
temperature range of -40°C to +85°C and instead is
rated for -55°C to +125°C while still maintaining a
footprint compatible with the ADC912AFS layout. The
Analog input range is pre selected for 0 to +10V
operation, other operation ranges are available.
AIN
VREFIN
AGND
D11
D10
D9
D8
D7
D6
D5
D4
DGND
1-
2-
3-
4-
5-
6-
7-
8-
9-
10 -
11 -
12 -
TOP
VIEW
- 24 VDD
- 23 VSS
- 22 /BUSY
- 21 /CS
- 20 /RD
- 19 NC
- 18 CLKOUT
- 17 CLKIN
- 16 D0
- 15 D1
- 14 D2
- 13 D3
24 Lead Wide Body Ceramic SOIC
Electrical Specifications
VDD = +5V ± 5%, VSS = -11.4C to -15.75C, VREFIN = -5V, Analog input 0V to 10V, External FCLK = 1.25MHz, Temp Range of -55°C to +125°C unless otherwise
noted.
Parameter
Symbol
Conditions
Min Max
Unit
Static Accuracy
Integral Nonlinearity
INL
-1 +1
LSB
Differential Nonlinearity
DNL
-1 +1
LSB
Offset Error
VZSE
VDD=+5V, VSS=-12V
-5 +5
LSB
Gain Error
GFSE
VDD=+5V, VSS=-12V
-6 +6
LSB
Analog Input
Input Voltage Range
VIN
0 10
V
Input Current Range
IIN
Power Supplies
03
mA
Positive Supply Current
IDD
VDD=+5V
7 mA
Negative Supply Current
ISS
VSS=-12V
10 mA
Power Consumption
PDISS
VDD=+5V, VSS=-12V
155 mW
Power Supply Rejection Ratio
PSRR+
ΔVDD=±5%, AIN=10V
4 LSB
PSRR-
ΔVDD=±5%, AIN=10V
4 LSB
Rev A
1924 American Dr, Lago Vista TX 78645 Ph (512) 388-2313 Fax (512) 388-2781
1 of 2




Anloy Technologies

AT912AXS Datasheet Preview

AT912AXS Datasheet

High Speed 12-Bit A/D Converter

No Preview Available !

Anloy Technologies
High Speed 12-Bit A/D Converter
with External Reference Input
AT912AXS
Electrical Specifications
Digital Inputs
Logic Input High Voltage
VINH
2.4
Logic Input Low Voltage
VINL
0.8
Logic Input Current IIN /CS, RD; VIN = 0 to VDD
±10
CLKIN; VIN = 0 to VDD
±20
Digital Input Capacitance
CIN
Digital Outputs
10
Logic Output High Voltage
VOH
/CS, /RD
4
Logic Output Low Voltage
VOL
/CS, /RD
0.4
Three-State Output Leakage
IOZ
/CS, /RD
10
Digital Output Capacitance
COUT
Digital Inputs, /CS, /RD, CLKIN
Dynamic Performance
15
Conversion Time
TC
fCLK = 1.25 MHz
Synchronous Clock
10.4
Asynchronous Clock
10.4 11.2
/CS to /RD Setup Time
t1
(Note 3)
0
/RD to /BUSY Propagation Delay
t2
CL = 50 pF
150
Data Access Time After READ
t3
CL = 100 pF (Note 3)
125
Read Pulse width
t4
(Note 3)
90
/CS to /RD Hold Time
t5
(Note 3)
0
Data Setup after /BUSY
Delay between Successive Reads
t6
t10
CL = 100 pF
(Note 3)
90
350
Note 1: Performance guaranteed over supply range by testing end point errors (power-supply rejection) and the supply extremes
Note 2: VDD=+5V, VSS=-12V, VREF=-5V
Note 3: Guaranteed by Design
Note 4: All inputs are 0V to +5V swing with tr = tf = 5ns (10% to 90% of +5V) and timed from a voltage level of +1.6V
Absolute Maximum Ratings
VDD to DGND
VSS to DGND
VREFIN to DGND
AGND to DGND
AIN to AGND
Digital Input Voltage to DGND
Digital Output Voltage to DGND
Operational Temperature Range
-0.3V to +7V
+0.3V to -7V
VSS to VDD
-0.3V to VDD +0.3V
-15V to +15V
-0.3V to VDD +0.3V
-0.3V to VDD +0.3V
-55°C to +125°C
V
V
µA
µA
pF
V
V
µA
pF
µs
µs
ns
ns
ns
ns
ns
ns
ns
Rev A
1924 American Dr, Lago Vista TX 78645 Ph (512) 388-2313 Fax (512) 388-2781
2 of 2


Part Number AT912AXS
Description High Speed 12-Bit A/D Converter
Maker Anloy Technologies
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