Datasheet

REV. D
–2–
AD9214–SPECIFICATIONS
DC SPECIFICATIONS
Test AD9214-65 AD9214-80 AD9214-105
Parameter Temp Level Min Typ Max Min Typ Max Min Typ Max Unit
RESOLUTION 10 10 10 Bits
ACCURACY
No Missing Codes 25°C VI Guaranteed Guaranteed Guaranteed
Full VI Guaranteed Guaranteed
Offset Error Full VI –18 0 +18 –18 0 +18 –18 0 +18 LSB
Gain Error
1
25°C I –2 +8 –2 +8 –2 +8 % FS
Differential Nonlinearity
2
25°C I –1.0 ± 0.5 +1.0 –1.0 ±0.5 +1.2 –1.0 ±0.8 +1.5 LSB
(DNL) Full V –1.0 +1.2 –1.0 +1.4 +1.7 LSB
Integral Nonlinearity
2
25°C I –1.35 ±0.75 +1.35 –1.5 ±0.75 +1.5 –2.2 ±1.5 +2.2 LSB
(INL) Full V –1.9 +1.9 –1.8 +1.8 –2.5 +2.5 LSB
TEMPERATURE DRIFT
Offset Error Full V 16 16 16 ppm/°C
Gain Error
1
Full V 150 150 150 ppm/°C
Reference Voltage Full V 80 80 80 ppm/°C
REFERENCE (REF)
Internal Reference Voltage 25°C VI 1.18 1.23 1.28 1.18 1.23 1.28 1.18 1.23 1.28 V
Output Current
3
Full V 200 200 200 µA
Input Current
4
Full V 123 123 123 µA
Input Resistance Full V 10 10 10 kΩ
ANALOG INPUTS (A
IN
, AIN)
Differential Input Range Full V 1 or 2 1 or 2 1 or 2 V p-p
Common-Mode Voltage Full V AV
DD
/3 AV
DD
/3 AV
DD
/3 V
Differential Input Resistance
5
Full V 20 20 20 kΩ
Differential Input Capacitance Full V 5 5 5 pF
POWER SUPPLY
Supply Voltages
AV
DD
Full IV 2.7 3.6 2.7 3.6 2.7 3.6 V
DrV
DD
Full IV 2.7 3.6 2.7 3.6 2.7 3.6 V
Supply Current
I
AVDD
(AV
DD
= 3.0 V)
6
Full VI 64 75 90 105 95 110 mA
Power-Down Current
7
I
AVDD
(AV
DD
= 3.0 V) Full VI 10 15 10 15 10 15 mA
Power Consumption
8
Full VI 190 220 250 300 285 325 mW
PSRR 25°CI ±0.5 ±1 ±1 LSB/V
Full V ±2 ±2 ±2 mV/V
NOTES
1
Gain error and gain temperature coefficient are based on the ADC only (with a fixed 1.25 V external reference).
2
Measured with 1 V A
IN
range for AD9214-80 and AD9214-105. Measured with 2 V A
IN
range for AD9214-65.
3
REFSENSE externally connected to AGND, REF is configured as an output for the internal reference voltage.
4
REFSENSE externally connected to AV
DD
, REF is configured as an input for an external reference voltage.
5
10 kΩ to AV
DD
/3 on each input.
6
I
AVDD
is measured with an analog input of 10.3 MHz, 0.5 dBFS, sine wave, rated encode rate, and PWRDN = 0. See Typical Performance Characteristics and
Applications section for I
DrVDD
.
7
Power-down supply currents measured with PWRDN = 1; rated encode rate, A
IN
= full-scale dc input.
8
Power consumption measured with A
IN
= full-scale dc input.
Specifications subject to change without notice.
(AV
DD
= 3 V, DrV
DD
= 3 V; T
MIN
= –40ⴗC, T
MAX
= +85ⴗC; external 1.25 V voltage reference and rated encode
frequency used, unless otherwise noted.)