AD7911 Analog Devices, AD7911 Datasheet - Page 3

• Manufacturer Part Number: AD7911
• Description: 2-Channel, 2.35 V to 5.25 V, 250 kSPS, 10-Bit A/D Converter
• Manufacturer: Analog Devices

Specifications of AD7911

• Resolution (bits): 10bit
• # Chan: 2
• Sample Rate: 250kSPS
• Interface: Ser,SPI
• Analog Input Type: SE-Uni
• Ain Range: Uni Vdd
• Adc Architecture: SAR
• Pkg Type: SOP,SOT

SPECIFICATIONS
AD7911 SPECIFICATIONS
Temperature range for A Grade from −40°C to +85°C.
V
Table 1.
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
LOGIC INPUTS
LOGIC OUTPUTS
See notes at end of table.
DD
Signal-to- Noise and Distortion (SINAD)
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise (SFDR)
Intermodulation Distortion (IMD)
Aperture Delay
Aperture Jitter
Channel-to-Channel Isolation
Full Power Bandwidth
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Offset Error Match
Gain Error
Gain Error Match
Input Voltage Ranges
DC Leakage Current
Input Capacitance
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Current, I
Input Current, I
Output High Voltage, V
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
Output Coding
Input Capacitance, C
Total Unadjusted Error (TUE)
= 2.35 V to 5.25 V, f
Second-Order Terms
Third-Order Terms
2
2
IN
IN
IN
, SCLK Pin
, CS Pin
, DIN Pin
2, 3
2, 3
2
INL
IN
INH
SCLK
OL
OH
2
= 5 MHz, f
2
2
2
2
3
SAMPLE
2
2
= 250 kSPS; T
A Grade
61
−71
−72
−82
−83
10
30
−90
8.5
1.5
10
±0.5
±0.5
±0.5
±0.3
±0.5
±0.3
±0.5
0 to V
±0.3
20
0.7 (V
2
0.3
0.2 (V
0.8
±0.3
±0.3
±0.3
5
V
0.2
±0.3
5
DD
− 0.2
DD
DD
DD
)
)
A
1
Straight (natural) binary
= T
Rev. A | Page 3 of 28
MIN
to T
MAX
, unless otherwise noted.
Unit
dB min
dB max
dB max
dB typ
dB typ
ns typ
ps typ
dB typ
MHz typ
MHz typ
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
V
μA max
pF typ
V min
V min
V max
V max
V max
μA max
μA max
μA max
pF max
V min
V max
μA max
pF max
Test Conditions/Comments
f
fa = 100.73 kHz, fb = 90.7 kHz
fa = 100.73 kHz, fb = 90.7 kHz
@ 3 dB
@ 0.1 dB
Guaranteed no missed codes to 10 bits
2.35 V ≤ V
2.7 V < V
V
2.35 V < V
2.7 V < V
V
I
I
SOURCE
SINK
IN
DD
IN
= 100 kHz sine wave
= 0 V or V
= 2.35 V
= 200 μA
= 200 μA, V
DD
DD
DD
DD
≤ 5.25 V
≤ 5.25 V
≤ 2.7 V
≤ 2.7 V
DD
DD
AD7911/AD7921
= 2.35 V to 5.25 V