SPT7851 Datasheet, PDF (2/8 Pages) List of Unclassifed Manufacturers – 10-BIT, 20 MSPS, 79 mW A/D CONVERTER

ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur)¹ 25 °C
Supply Voltages
V_DD1 .............................................................................. –0.5 V to +6 V
V_DD2 .............................................................................. –0.5 V to +6 V
V_DD3 .............................................................................. –0.5 V to +6 V
Temperature
Operating Temperature ............................. –40 to +85 °C
Storage Temperature ............................... –65 to +125 °C
Input Voltages
Analog Input ................................. –0.5 V to (V_DD +0.5 V)
Digital Input .................................. –0.5 V to (V_DD +0.5 V)
V_REF+ ........................................... –0.5 V to (V_DD +0.5 V)
V_REF– ........................................... –0.5 V to (V_DD +0.5 V)
CLK .............................................. –0.5 V to (V_DD +0.5 V)
Note: 1. Operation at any Absolute Maximum Rating is not implied. See Electrical Specifications for proper nominal
applied conditions in typical applications.
ELECTRICAL SPECIFICATIONS
T_A = T_MIN–T_MAX , V_DD1 = V_DD2 = V_DD3 = 3.3 V, V_REF– = 1.0 V, V_REF+ = 2.0 V, Common Mode Voltage = 1.65 V, ƒ_CLK = 20 MSPS,
Bias 1 = 90 µA, Bias 2 = 9.5 µA, Differential Input, Duty Cycle = 50%, unless otherwise specified.
TEST
TEST
SPT7851
PARAMETERS
CONDITIONS
LEVEL
MIN
TYP
MAX UNITS
DC Accuracy
Resolution
Differential Linearity
Integral Linearity
No Missing Codes
10
Bits
V
±0.6
LSB
V
±0.75
LSB
VI
Guaranteed
Analog Input
Input Voltage Range (Differential)
IV
±0.6
±1.0
±1.7
V
Common Mode Input Voltage
IV
1.2
1.65
1.9
V
Input Capacitance
V
1.4
pF
Input Bandwidth (Large Signal)
V
120
MHz
Offset (Mid-scale)
Gain Error
V_IN+ = V_IN– = V_CM
V
V
±1.0
% FSR
0.3
% FSR
Reference Voltages
Reference Input Voltage Range
(V_REF+ – V_REF–)
Negative Reference Voltage (V_REF–)
Positive Reference Voltage (V_REF+)
Common Mode Output Voltage (V_CM)
V_REF+ Current
V_REF– Current
Switching Performance
Maximum Conversion Rate
Pipeline Delay
(See Timing Diagram)
Aperture Delay Time (T_AP)
Aperture Jitter Time
I_O = –1 µA
IV
0.6
1.0
1.7
V
IV
0.9
1.0
1.3
V
IV
1.9
2.0
2.9
V
VI
1.3
1.65
1.8
V
V
35
µA
V
–25
µA
VI
20
IV
7.5
V
5
V
10
MHz
Clocks
ns
ps-rms
SPT
2
SPT7851
8/1/00