AD9260 Analog Devices, AD9260 Datasheet - Page 3

• Manufacturer Part Number: AD9260
• Description: 16-Bit High Speed Oversampled A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9260

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 2.5MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 4 V p-p
• Adc Architecture: Sigma-Delta
• Pkg Type: QFP

SPECIFICATIONS
CLOCK INPUT FREQUENCY RANGE
Table 1.
Parameter—Decimation Factor (N)
CLOCK INPUT (Modulator Sample Rate, f
OUTPUT WORD RATE (FS = f
DC SPECIFICATIONS
AVDD = +5 V, DVDD = +3 V, DRVDD = +3 V, f
R
Table 2.
Parameter—Decimation Factor (N)
RESOLUTION
INPUT REFERRED NOISE (TYP)
ACCURACY
TEMPERATURE DRIFT
POWER SUPPLY REJECTION
AVDD, DVDD, DRVDD (+5 V ±0.25 V)
ANALOG INPUT
INTERNAL VOLTAGE REFERENCE
REFERENCE INPUT RESISTANCE
POWER SUPPLIES
BIAS
1.0 V Reference
2.5 V Reference
Integral Nonlinearity (INL)
Differential Nonlinearity (DNL)
No Missing Codes
Offset Error
Gain Error
Gain Error
Offset Error
Gain Error
Gain Error
Input Span
Input (VINA or VINB) Range
Input Capacitance
Output Voltage (1 V Mode)
Output Voltage Error (1 V Mode)
Output Voltage (2.5 V Mode)
Output Voltage Error (2.5 V Mode)
Load Regulation
Supply Voltages
V
V
1 V REF
2.5 V REF
AVDD
= 2 kΩ.
REF
REF
= 1.0 V
= 2.5 V
2
3
2
3
1
4
CLOCK
/N)
CLOCK
)
AD9260 (8)
16
1.40
0.68 (90.6)
± 0.75
± 0.50
16
0.9 (0.5)
2.75 (0.66)
1.35 (0.7)
2.5
22
7.0
0.06
1.6
4.0
+0.5
+AVDD –0.5
10.2
1
± 14
2.5
± 35
0.5
2.0
8
+5
CLOCK
AD9260 (8)
1
0.125
20
2.5
= 20 MSPS, V
AD9260 (4)
16
2.4
1.2 (86)
± 0.75
± 0.50
16
(0.5)
(0.66)
(0.7)
2.5
22
7.0
0.06
1.6
4.0
+0.5
+AVDD –0.5
10.2
1
± 14
2.5
± 35
0.5
2.0
8
+5
Rev. C | Page 3 of 44
REF
AD9260 (4)
1
20
0.250
5
= +2.5 V, Input CML = 2.0 V T
AD9260 (2)
16
6.0
3.7 (76)
± 0.75
± 0.50
16
(0.5)
(0.66)
(0.7)
2.5
22
7.0
0.06
1.6
4.0
+0.5
+AVDD –0.5
10.2
1
± 14
2.5
± 35
0.5
2.0
8
+5
AD9260 (2)
1
20
0.500
10
AD9260 (1)
12
1.3
1.0 (63.2)
± 0.3
± 0.25
12
(0.66)
(0.7)
2.5
22
7.0
0.06
1.6
4.0
+AVDD –0.5
10.2
1
± 14
2.5
± 35
0.5
2.0
8
+5
(0.5)
+0.5
AD9260 (1)
1
20
1
20
MIN
to T
MAX
Unit
Bits min
LSB rms typ
LSB rms typ (dB typ)
LSB typ
LSB typ
Bits Guaranteed
% FSR max (typ @ +25°C)
% FSR max (typ @ +25°C)
% FSR max (typ @ +25°C)
ppm/°C typ
ppm/°C typ
ppm/°C typ
% FSR max
V p p Diff. max
V p p Diff. max
V min
V max
pF typ
V typ
mV max
V typ
mV max
mV max
mV max
kΩ
V (± 5%)
unless otherwise noted,
Unit
kHz min
MHz max
kHz min
MHz max
AD9260