AD7940BRM-REEL7(Rev0) データシートの表示（PDF） - Analog Devices
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AD7940BRM-REEL7 Datasheet PDF : 20 Pages
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AD7940
SPECIFICATIONS1
VDD = 2.50 V to 5.5 V, fSCLK = 2.5 MHz, fSAMPLE = 100 kSPS, unless otherwise noted; TA = TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
DYNAMIC PERFORMANCE
Signal-to-Noise + Distortion (SINAD)2
Total Harmonic Distortion (THD)2
Peak Harmonic or Spurious Noise (SFDR)2
Intermodulation Distortion (IMD)2
Second-Order Terms
Third-Order Terms
Aperture Delay
Aperture Jitter
Full Power Bandwidth
DC ACCURACY
Resolution
Integral Nonlinearity2
Offset Error2
Gain Error2
ANALOG INPUT
Input Voltage Ranges
DC Leakage Current
Input Capacitance
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
Input Capacitance, CIN2, 3
LOGIC OUTPUTS
Output High Voltage, VOH
Output Low Voltage, VOL
Floating-State Leakage Current
Floating-State Output Capacitance2, 3
Output Coding
CONVERSION RATE
Conversion Time
Track-and-Hold Acquisition Time
Throughput Rate
POWER REQUIREMENTS
VDD
IDD
Normal Mode (Static)
Normal Mode (Operational)
Full Power-Down Mode
B Version1
Unit
81
dB min
−98
dB typ
−95
dB typ
−94
−100
20
30
7
2
dB typ
dB typ
ns max
ps typ
MHz typ
MHz typ
14
Bits min
13
Bits min
±1
LSB max
±2
LSB max
±6
LSB max
±8
LSB max
0 to VDD
±0.3
30
V
µA max
pF typ
2.4
V min
0.4
V max
0.8
V max
±0.3
µA max
10
pF max
VDD – 0.2
V min
0.4
V max
±0.3
µA max
10
pF max
Straight (Natural) Binary
8
µs max
500
ns max
400
ns max
100
kSPS max
2.50/5.5
V min/V max
5.2
mA max
2
mA max
4.8
mA max
1.9
mA max
0.5
µA max
0.3
µA max
Test Conditions/Comments
fIN = 10 kHz sine wave
@ −3 dB
@ −0.1 dB
VDD = 2.5 V to 4.096 V
VDD > 4.096 V
VDD = 2.5 V to 4.096 V
VDD > 4.096 V
VDD = 3 V
VDD = 5 V
Typically 10 nA, VIN = 0 V or VDD
ISOURCE = 200 µA; VDD = 2.50 V to 5.25 V
ISINK = 200 µA
16 SCLK cycles
Full-scale step input
Sine wave input ≤ 10 kHz
See the Serial Interface section
Digital I/PS = 0 V or VDD
VDD = 5.5 V; SCLK on or off
VDD = 3.6 V; SCLK on or off
VDD = 5.5 V; fSAMPLE = 100 kSPS; 3.3 mA typ
VDD = 3.6 V; fSAMPLE = 100 kSPS; 1.29 mA typ
SCLK on or off. VDD = 5.5 V
SCLK on or off. VDD = 3.6 V
Rev. 0 | Page 3 of 20
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