(VDD = +5 V ؎ 5%, VSS = –5 V ؎ 5%, A6ND = DGND = O V, VREF = –3.5 V, connected
as shown in Figure 2. All Specifications TMIN to TMAX unless otherwise noted. Specifications apply for 750 kHz version.)
AD7886–SPECIFICATIONS
Parameter
J Version1
K, B Versions1 T Version1 Units
Test Conditions/Comments
DYNAMIC PERFORMANCE2
Signal-to-Noise Ratio3 (SNR)
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Intermodulation Distortion (IMD)
Second Order Terms
65
–75
–77
67
–75
–77
65
–75
–77
dB min
dB typ
dB typ
VIN = 100 kHz Sine Wave, fSAMPLE = 750 kHz
VIN = 100 kHz Sine Wave, fSAMPLE = 750 kHz
VIN = 100 kHz Sine Wave, fSAMPLE = 750 kHz
–80
–80
–80
–80
–80
–80
dB typ
dB typ
f = 96 kHz, f = 103 kHz, fSAMPLE = 750 kHz
a b
Third Order Terms
ACCURACY
Resolution
12
12
12
Bits
Integral Linearity TMIN to TMAX
Minimum Resolution for Which
No Missing Codes Are Guaranteed
Unipolar Offset Error @ +25°C
TMIN to TMAX
Bipolar Offset Error @ +25°C
TMIN to TMAX
Unipolar Gain Error @ +25°C
TMIN to TMAX
±2
±2
LSB max
12
±5
±5
±5
±5
±5
±5
±5
±5
12
±5
±5
±5
±5
±5
±5
±5
+5
12
±5
±5
±5
±5
±5
±5
±5
±5
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
Input Range: 0 V to 5 V or 0 V to 10 V
Input Range: ±5 V
Input Range: 0 V to 5 V or 0 V to 10 V
Input Range: ±5 V
Bipolar Gain Error @ +25°C
TMIN to TMAX
ANALOG INPUT
Unipolar Input Current
Bipolar Input Current
1.5
±0.75
1.5
±0.75
1.5
±0.75
mA max
mA max
Input Ranges: 0 V to 5 V or 0 V to 10 V
Input Range: ±5 V
REFERENCE INPUT
VREF
Input Reference Current
R1, Resistance
R2, Resistance
R2/R1 Ratio
–3.5
–10
9
6.3
0.7
–3.5
–10
9
6.3
0.7
–3.5
–10
9
6.3
0.7
Volts
±2% For Specified Performance
mA max
kΩ nom
kΩ nom
nom
±25%
±25%
±0.1%
POWER SUPPLY REJECTION
VDD Only, (FS Change)
VSS Only, (FS Change)
0.5
0.5
0.5
0.5
0.5
0.5
LSB typ
LSB typ
VSS = –5 V, VDD = +4.75 V to +5.25 V
VDD = +5 V, VSS = –4.75 V to –5.25 V
LOGIC INPUTS
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
2.4
0.8
±10
10
2.4
0.8
±10
10
2.4
0.8
±10
10
V min
VDD = 5 V ± 5%
VDD = 5 V ± 5%
VIN = 0 V to VDD
V max
µA max
pF max
4
Input Capacitance, CIN
LOGIC OUTPUTS
DB11–DB0, BUSY
Output High Voltage, VOH
Output Low Voltage, VOL
DB11–DB0
4
0.4
4
0.4
4
0.4
V min
V max
ISOURCE = 200 µA
ISINK = 1.6 mA
Floating-State Leakage Current
±10
15
±10
15
±10
15
pA max
pF max
Floating-State Output Capacitance4
POWER REQUIREMENTS
VDD
+5
+5
+5
V nom
±5% for Specified Performance
VSS
–5
–5
–5
V nom
±5% for Specified Performance
IDD
ISS
35
35
35
mA max
mA max
mW typ
mW max
Typically 25 mA, CONVST = CS = RD = VDD
Typically 25 mA, CONVST = CS = RD = VDD
CONVST = CS = RD = VDD
–35
250
350
–35
250
350
–35
250
350
Power Dissipation
NOTES
ITemperature ranges are as follows: J, K Versions: 0°C to +70°C; B Version: –40°C to +85°C; T Version: –55°C to + 125°C.
2Applies to all three input ranges, VIN = 0 to FS, pk-to-pk V.
3SNR calculation includes distortion and noise components.
4Sample tested @ +25°C to ensure compliance.
Specifications subject to change without notice.
REV. B
–2–
ADI [ ADI ]
