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ADS807 Datasheet(PDF) 4 Page - Texas Instruments

Part No. ADS807
Description  12-Bit, 53MHz Sampling ANALOG-TO-DIGITAL CONVERTER
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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ADS807 Datasheet(HTML) 4 Page - Texas Instruments

 
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ADS807
4
SBAS072A
www.ti.com
ADS807E
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ELECTRICAL CHARACTERISTICS (Cont.)
At TA = full specified temperature range, VS = +5V, differential input range = 2V to 3V for each input, sampling rate = 50MHz, unless otherwise noted.
CMOS
Straight Offset Binary
DIGITAL OUTPUTS
Logic Family
Logic Coding
Low Output Voltage (IOL = 50µA)
VDRV = 5V
+0.1
V
Low Output Voltage, (IOL = 1.6mA)
VDRV = 5V
+0.2
V
High Output Voltage, (IOH = 50µA)
VDRV = 5V
+4.9
V
High Output Voltage, (IOH = 0.5mA)
VDRV = 5V
+4.8
V
Low Output Voltage, (IOL = 50µA)
VDRV = 3V
+0.1
V
High Output Voltage, (IOH = 50µA)
VDRV = 3V
+2.8
V
3-State Enable Time
OE = L(5)
20
40
ns
3-State Disable Time
OE = H(5)
210
ns
Output Capacitance
5pF
ACCURACY (Internal Reference, 2Vp-p, Unless Otherwise Noted)
Zero Error (Referred to –FS)
at 25
°C
±1.0
±2.0
%FS
Zero Error Drift (Referred to –FS)
16
ppm/
°C
Gain Error(6)
at 25
°C
±1.5
±2.5
%FS
Gain Error Drift(6)
66
ppm/
°C
Gain Error(7)
at 25
°C
±1.0
±1.5
%FS
Gain Error Drift(7)
23
ppm/
°C
Power-Supply Rejection of Gain
∆V
S = ±5%
50
70
dB
REFT Tolerance
2V Full-Scale
Deviation From Ideal 3.0V
±10
±65
mV
3V Full-Scale
Deviation From Ideal 3.25V
±20
±100
mV
REFB Tolerance
2V Full-Scale
Deviation From Ideal 2.0V
±10
±65
mV
3V Full-Scale
Deviation From Ideal 1.75V
±20
±100
mV
External REFT Voltage Range
REFB + 0.4
3
VS – 1.70
V
External REFB Voltage Range
1.70
2
REFT – 0.4
V
Reference Input Resistance
1k
POWER-SUPPLY REQUIREMENTS
Supply Voltage: +VS
Operating
+4.75
+5.0
+5.25
V
Supply Current: +IS
Operating
60
mA
Power Dissipation: VDRV = 5V
External Reference
305
360
mW
VDRV = 3V
External Reference
290
350
mW
VDRV = 5V
Internal Reference
350
390
mW
VDRV = 3V
Internal Reference
335
380
mW
Thermal Resistance,
θ
JA
SSOP-28
50
°C/W
NOTES: (1) Spurious-Free Dynamic Range refers to the magnitude of the largest harmonic. (2) dBFS means dB relative to Full-Scale. (3) 2-tone intermodulation
distortion is referred to the largest fundamental tone. This number will be 6dB higher if it is referred to the magnitude of the 2-tone fundamental envelope.
(4) Effective number of bits (ENOB) is defined by as (SINAD – 1.76) /6.02. (5) A 50k
Ω pull-down resistor is inserted internally on OE pin. (6) Includes internal reference.
(7) Excludes internal reference.


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