TDA8768A Datasheet, PDF (8/32 Pages) NXP Semiconductors – 12-bit, 70 Msps Analog-to-Digital Converter (ADC)

Philips Semiconductors
TDA8768A
12-bit, 70 Msps Analog-to-Digital Converter (ADC)
Table 6: Characteristics…continued
V_CCA = V₂ to V₄₄, V₃ to V₄ and V₄₁ to V₄₀ = 4.75 to 5.25 V; V_CCD = V₃₇ to V₃₈ and V₁₅ to V₁₇ = 4.75 to 5.25 V;
V_CCO = V₃₃ to V₃₄ = 3.0 to 3.6 V; AGND and DGND shorted together; T_amb = −40 to 85 °C; V_I(p-p) − V_I(p-p) = 1.9 V;
V_ref = V_CCA3−1.75 V; V_I(CM) = V_CCA3−1.6V; typical values measured at V_CCA = V_CCD = 5 V and V_CCO = 3.3 V, T_amb = 25 °C
and C_L = 10 pF; unless otherwise specified.
Symbol
Parameter
Conditions
Test ^[1] Min Typ
Max Unit
V_OH
HIGH-level output voltage I_OH = − 0.4 mA
I
V_CCO -
− 0.5
V_CCO V
I_o
output current in 3-state
Switching characteristics
output level between 0.5 V I
and V_CCO
−20 -
+20 µA
Clock frequency f_CLK; see Figure 3
f_CLK(min)
minimum clock frequency
f_CLK(max)
maximum clock frequency
TDA8768AH/4
SH = HIGH
C
-
-
C
40 -
7
MHz
-
MHz
TDA8768AH/5
I
55 -
-
MHz
TDA8768AH/7
C
70 -
-
MHz
t_CLKH
clock pulse width HIGH
f_i = 20 MHz
C
6.8 -
-
ns
t_CLKL
clock pulse width LOW
f_i = 20 MHz
C
6.8 -
-
ns
Analog signal processing; 50% clock duty factor; V_I − V_I = 1.9 V; V_ref = V_CCA3 − 1.75 V; see Table 7
Linearity
INL
DNL
integral non-linearity
differential non-linearity
f_CLK = 20 MHz; f_i = 400 kHz I
f_CLK = 20 MHz; f_i = 400 kHz I
(no missing code
guaranteed)
-
±2.6
-
±0.5
4.5 LSB
+1.1 LSB
− 0.95
O_err
offset error
V_CCA = V_CCD = 5 V;
C
V_CCO = 3.3 V; T_amb = 25 °C;
output code = 2047
−25 5
25 mV
E_G
gain error amplitude; spread V_CCA = V_CCD = 5 V;
C
from device to device
V_CCO = 3.3 V; T_amb = 25 °C
Bandwidth (f_CLK = 55 MHz) ^[4]
B
analog bandwidth
−3 dB; full-scale input
C
−7 -
220 245
+7 %FS
-
MHz
Harmonics
H₂
second harmonic
TDA8768AH/4
(f_CLK = 40 MHz)
second harmonic
TDA8768AH/5
(f_CLK = 55 MHz)
second harmonic
TDA8768AH/7
(f_CLK = 70 MHz)
f_i = 4.43 MHz
f_i = 10 MHz
f_i = 15 MHz
f_i = 20 MHz
f_i = 4.43 MHz
f_i = 10 MHz
f_i = 15 MHz
f_i = 20 MHz
f_i = 4.43 MHz
f_i = 10 MHz
f_i = 15 MHz
C
-
−78
C
-
−77
C
-
−74
C
-
−71
C
-
−77
C
-
−77
C
-
−76
I
-
− 73
C
-
−76
C
-
−74
C
-
−70
-
dBFS
-
dBFS
-
dBFS
-
dBFS
-
dBFS
-
dBFS
-
dBFS
-
dBFS
-
dBFS
-
dBFS
-
dBFS
9397 750 09656
Product data
Rev. 02 — 03 July 2002
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
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