AD7849 Analog Devices, AD7849 Datasheet - Page 4

• Manufacturer Part Number: AD7849
• Description: Serial Input, 14-Bit/16-Bit DAC
• Manufacturer: Analog Devices

Specifications of AD7849

• Resolution (bits): 16bit
• Dac Update Rate: 143kSPS
• Dac Settling Time: 7µs
• Max Pos Supply (v): +15.75V
• Single-supply: No
• Dac Type: Voltage Out
• Dac Input Format: Ser

Parameter
DIGITAL INPUTS
DIGITAL OUTPUTS
POWER REQUIREMENTS
1
2
3
RESET SPECIFICATIONS
These specifications apply when the device goes into reset mode during power-up or power-down sequence. V
Table 2.
Parameter
V
V
V
V
G2 R
1
AD7849
Guaranteed by design and characterization, not production tested.
The AD7849 is functional with power supplies of ±12 V. See the Typical Performance Characteristics section.
Sensitivity of gain error, offset error, and bipolar zero error to V
A pull-down resistor (65 kΩ) on V
A
B
C
D
,
, High Threshold Voltage for V
, Low Threshold Voltage for V
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
Output Low Voltage, V
Output High Voltage, V
Floating State Leakage Current
Floating State Output
V
V
V
I
I
I
Power Supply Sensitivity
Power Dissipation
, High Threshold Voltage for V
1
DD
SS
CC
DD
SS
CC
Low Threshold Voltage for V
ON
Capacitance
INH
INL
IN
INH
2
OL
OH
3
OUT
CC
maintains 0 V output when V
DD
CC
DD
, V
, V
SS
SS
A Version
2.4
0.8
±10
10
0.4
4.0
±10
10
14.25/15.75
−14.25/−15.75
4.75/5.25
5
5
2.5
0.4
100
All Versions
1.2
0
9.5
6.4
1
0
4
2.5
1
DD
B Version
2.4
0.8
±10
10
0.4
4.0
±10
10
14.25/15.75
−14.25/−15.75
4.75/5.25
5
5
2.5
1.5
100
, V
DD
SS
/V
variations.
SS
Unit
V max
V typ
V max
V min
V max
V typ
V max
V min
kΩ typ
is below V
Rev. C | Page 4 of 20
This is the higher V
Below this, the reset is activated. Typically, 8 V.
Below this, the reset is activated. Typically, 3 V.
Test Conditions/Comments
This is the lower V
Above this, the reset is activated.
This is the lower V
Above this, the reset is activated.
This is the higher V
On resistance of G2; V
A
.
C Version
2.4
0.8
±10
10
0.4
4.0
±10
10
14.25/15.75
−14.25/−15.75
4.75/5.25
5
5
2.5
1.5
100
DD
CC
Unit
V min
V max
μA max
pF max
V max
V min
μA max
pF max
V min/V max
V min/V max
V min/V max
mA max
mA max
mA max
LSB/V max
mW typ
DD
CC
/V
threshold voltage for the reset function.
/V
threshold voltage for the reset function.
DD
SS
SS
threshold voltage for the reset function.
= 2 V; V
threshold voltage for the reset function.
SS
= −2 V; I
Test Conditions/Comments
I
I
V
V
V
V
V
V
SINK
SOURCE
OUT
INL
OUT
INL
INH
OUT
= 0.1 V
= 0.1 V
= 1.6 mA
= V
unloaded, V
unloaded, V
unloaded
= 400 μA
G2
DD
OUT
= 1 mA.
– 0.1 V, V
unloaded.
INH
INH
INL
= V
= V
= 0.1 V
DD
DD
– 0.1 V,
– 0.1 V,