ADC10D040 Datasheet, PDF (7/28 Pages) National Semiconductor (TI) – Dual 10-Bit, 40 MSPS, 267 mW A/D Converter

Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Positive Supply Voltages
3.8V
Voltage on Any Pin
−0.3V to (V_A or V_D +0.3V)
Input Current at Any Pin (Note 3)
±25 mA
Package Input Current (Note 3)
±50 mA
Package Dissipation at T_A = 25˚C
ESD Susceptibility (Note 5)
See (Note 4)
Human Body Model
2500V
Machine Model
250V
Soldering Temperature,
Infrared, 10 sec. (Note 6)
235˚C
Storage Temperature
−65˚C to +150˚C
Operating Ratings (Notes 1, 2)
Operating Temperature Range
V_A, V_D Supply Voltage
V_DR Supply Voltage
V_IN Differential Voltage Range
GAIN = Low
GAIN = High
V_CM Input Common Mode Range
GAIN = Low
GAIN = High
V_REF Voltage Range
Digital Input Pins Voltage
Range
−40˚C ≤ T_A ≤ +85˚C
+3.0V to +3.6V
+1.5V to V_D
±V_REF/2
±V_REF
V_REF/4 to (V_A–V_REF/4)
V_REF/2 to (V_A–V_REF/2)
0.6V to 1.8V
−0.3V to (V_A +0.3V)
Converter Electrical Characteristics
The following specifications apply for V_A = V_D = +3.3 V_DC, V_DR = +2.5 V_DC, V_REF = 1.4 V_DC, GAIN = OF = 0V, OS = 3.3V, V_IN
(a.c. coupled) = FSR = 1.4 V_P-P, C_L = 15 pF, f_CLK = 40 MHz, 50% Duty Cycle, R_S = 50Ω, t_rc = t_fc < 4 ns, NOT offset cor-
rected. Boldface limits apply for T_A = T_MIN to T_MAX: all other limits T_A = 25˚C (Note 7).
Symbol
Parameter
Conditions
Typical Limits
(Note 8) (Note 9)
Units
(Limits)
STATIC CONVERTER CHARACTERISTICS
INL Integral Non-Linearity
±0.65 ±1.9 LSB (max)
DNL Differential Non-Linearity
±0.35
+1.2
−1.0
LSB (max)
LSB (min)
Resolution with No Missing Codes
10
Bits
V_OFF Offset Error
Without Offset Correction
With Offset Correction
−3.3
+0.4
+7
−12
+1.5
−0.5
LSB (max)
LSB (min)
LSB (max)
LSB (min)
GE Gain Error
+5 %FS (max)
−4
−12 %FS (min)
DYNAMIC CONVERTER CHARACTERISTICS
ENOB Effective Number of Bits
Signal-to-Noise Plus Distortion
SINAD
Ratio
SNR Signal-to-Noise Ratio
THD Total Harmonic Distortion
HS2 Second Harmonic
HS3 Third Harmonic
f_IN = 4.43 MHz, V_IN = FSR −0.1 dB
9.5
f_IN = 10.4 MHz, V_IN = FSR −0.1 dB, T_A = 25˚C
9.5
f_IN = 19.7 MHz, V_IN = FSR −0.1 dB
9.4
f_IN = 4.43 MHz, V_IN = FSR −0.1 dB
59
f_IN = 10.4 MHz, V_IN = FSR −0.1 dB, T_A = 25˚C
59
f_IN = 19.7 MHz, V_IN = FSR −0.1 dB
58
f_IN = 4.43 MHz, V_IN = FSR −0.1 dB
60
f_IN = 10.4 MHz, V_IN = FSR −0.1 dB, T_A = 25˚C
60
f_IN = 19.7 MHz, V_IN = FSR −0.1 dB
59
f_IN = 4.43 MHz, V_IN = FSR −0.1 dB
−70
f_IN = 10.4 MHz, V_IN = FSR −0.1 dB, T_A = 25˚C −69
f_IN = 19.7 MHz, V_IN = FSR −0.1 dB
−67
f_IN = 4.43 MHz, V_IN = FSR −0.1 dB
−86
f_IN = 10.4 MHz, V_IN = FSR −0.1 dB
−83
f_IN = 19.7 MHz, V_IN = FSR −0.1 dB
−81
f_IN = 4.43 MHz, V_IN = FSR −0.1 dB
−73
f_IN = 10.4 MHz, V_IN = FSR −0.1 dB
−73
f_IN = 19.7 MHz, V_IN = FSR −0.1 dB
−72
Bits
9.1
Bits (min)
Bits
dB
56.3
dB (min)
dB
dB
57.3
dB (min)
dB
dB
−61
dB (min)
dB
dB
dB
dB
dB
dB
dB
7
www.national.com