ad7887ar-reel Analog Devices, Inc., ad7887ar-reel Datasheet - Page 3

• Manufacturer Part Number: ad7887ar-reel
• Description: 2.7 V To 5.25 V, Micropower, 2-channel, 125 Ksps, 12-bit Adc In 8-lead Msop
• Manufacturer: Analog Devices, Inc.

SPECIFICATIONS
V
Table 1.
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
REFERENCE INPUT/OUTPUT
LOGIC INPUTS
LOGIC OUTPUTS
DD
Signal to Noise + Distortion Ratio (SNR)
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Intermodulation Distortion (IMD)
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
Leakage Current
Input Capacitance
REF
Input Impedance
REF
REF
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
Output High Voltage, V
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
Output Coding
= 2.7 V to 5.25 V, V
Second-Order Terms
Third-Order Terms
IN
OUT
OUT
Input Voltage Range
Temperature Coefficient
Output Voltage
2
2
IN
2
2
REF
INL
IN
2
INH
4
OL
OH
= 2.5 V, external/internal reference unless otherwise noted, f
2
2
2
2
2
5
2, 3
A
Version
71
−80
–80
−80
−80
−80
2.5
12
±2
±2
±3
±4
±6
0.5
±2
±1
±6
2
0 to V
±5
20
2.5/V
10
2.45/2.55
±50
2.4
2.1
0.8
±1
10
V
0.4
±1
10
Straight (Natural) Binary
DD
− 0.5
DD
REF
1
B Version
71
−80
−80
−80
−80
−80
2.5
12
±1
±1
±3
±4
±6
0.5
±2
±1
±6
2
0 to V
±5
20
2.5/V
10
2.45/2.55
±50
2.4
2.1
0.8
±1
10
V
0.4
±1
10
DD
Rev. C | Page 3 of 24
− 0.5
DD
REF
1
Unit
dB typ
dB typ
dB typ
dB typ
dB typ
dB typ
MHz typ
Bits
LSB max
LSB max
LSB max
LSB max
LSB typ
LSB max
LSB max
LSB max
LSB typ
LSB max
V
μA max
pF typ
V min/max
kΩ typ
V min/max
ppm/°C typ
V min
V min
V max
μA max
pF max
V min
V max
μA max
pF max
SCLK
= 2 MHz, T
Test Conditions/Comments
f
f
f
fa = 9.983 kHz, fb = 10.05 kHz, f
fa = 9.983 kHz, fb = 10.05 kHz, f
f
@ 3 dB
Any channel
Guaranteed no missing codes to 11 bits (A Grade)
V
V
Single-channel mode
Dual-channel mode
Single-channel mode, external reference
Single-channel mode, internal reference
Functional from 1.2 V
Very high impedance if internal reference disabled
V
V
V
Typically 10 nA, V
I
V
I
SOURCE
SINK
IN
IN
IN
IN
DD
DD
DD
DD
DD
DD
= 10 kHz sine wave, f
= 10 kHz sine wave, f
= 10 kHz sine wave, f
= 25 kHz
= 5 V, dual-channel mode
= 3 V, dual-channel mode
= 4.75 V to 5.25 V
= 2.7 V to 3.6 V
= 2.7 V to 5.25 V
= 2.7 V to 5.25 V
= 200 μA
= 200 μA
A
= T
MIN
IN
to T
= 0 V or V
MAX
SAMPLE
SAMPLE
SAMPLE
, unless otherwise noted.
DD
= 125 kSPS
= 125 kSPS
= 125 kSPS
SAMPLE
SAMPLE
= 125 kSPS
= 125 kSPS
AD7887